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    <link:label id="lab_nes_ClassofWarrantorRightIssuedDuringPeriod_2AB9917FAC7991AD051993EB5B25265C_terseLabel_en-US" xlink:label="lab_nes_ClassofWarrantorRightIssuedDuringPeriod_2AB9917FAC7991AD051993EB5B25265C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of warrants</link:label>
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    <link:label id="lab_srt_ConsolidationItemsAxis_FCA176A66DBC0C4DD4392C079E139424_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsAxis_FCA176A66DBC0C4DD4392C079E139424" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation Items [Axis]</link:label>
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    <link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Liabilities, Payments Due [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23" xlink:to="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_710D145FAA0378AFBD9730B22C896C23" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_37D9F1B5727D05F5101730B22C89C8F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52607808D035D6B4D39930B22C8A3FAD" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_A3B69258417565F18CCE30B22C8A930B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6DC162E41821F7AA396E30B22C8A327B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_BB023B938B4BD2AEA98D30B22C8AF28C" xlink:type="arc" />
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_701DF0EB48E71942B62E30B22C8B5B84_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_701DF0EB48E71942B62E30B22C8B5B84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_701DF0EB48E71942B62E30B22C8B5B84_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_701DF0EB48E71942B62E30B22C8B5B84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_701DF0EB48E71942B62E30B22C8B5B84" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_EA9B413B0B90718F4A4230B22C8D4712_totalLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_EA9B413B0B90718F4A4230B22C8D4712" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total lease payments</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_EA9B413B0B90718F4A4230B22C8D4712_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_EA9B413B0B90718F4A4230B22C8D4712" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_EA9B413B0B90718F4A4230B22C8D4712" xlink:type="locator" />
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    <link:label id="lab_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785_negatedTerseLabel_en-US" xlink:label="lab_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less amount representing executory costs</link:label>
    <link:label id="lab_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785_label_en-US" xlink:label="lab_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Executory Costs</link:label>
    <link:label id="lab_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785_documentation_en-US" xlink:label="lab_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Lease, Executory Costs</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_OperatingLeaseExecutoryCosts" xlink:label="loc_nes_OperatingLeaseExecutoryCosts_7BFA5B9B237E566383AA30B22C8D0785" xlink:type="locator" />
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    <link:label id="lab_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA_totalLabel_en-US" xlink:label="lab_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net lease payments</link:label>
    <link:label id="lab_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA_label_en-US" xlink:label="lab_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due, Net</link:label>
    <link:label id="lab_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA_documentation_en-US" xlink:label="lab_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due, Net</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_LesseeOperatingLeaseLiabilityPaymentsDueNet" xlink:label="loc_nes_LesseeOperatingLeaseLiabilityPaymentsDueNet_B8BC57D674ABA33444A630B22C8ED5BA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_3956A10BA102A9BE6FB830B22C8E9C17_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_3956A10BA102A9BE6FB830B22C8E9C17" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less amount representing interest</link:label>
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_F5109ECF02157D09ED8730B22C9660AA_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_F5109ECF02157D09ED8730B22C9660AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_F5109ECF02157D09ED8730B22C9660AA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_BF076BCD8452D1BDE7AE30B22C97BCF6_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_BF076BCD8452D1BDE7AE30B22C97BCF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_BF076BCD8452D1BDE7AE30B22C97BCF6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_42AE3CA85E535CB709C130B22C9794CE_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_42AE3CA85E535CB709C130B22C9794CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_42AE3CA85E535CB709C130B22C9794CE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_86DA221C83127F3AC8FA30B22C977BD9_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_86DA221C83127F3AC8FA30B22C977BD9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_86DA221C83127F3AC8FA30B22C977BD9_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_86DA221C83127F3AC8FA30B22C977BD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Lease, Liability, Payments, Due Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_86DA221C83127F3AC8FA30B22C977BD9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_93787E51FBE111E4EB1530B22C97AD27_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_93787E51FBE111E4EB1530B22C97AD27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_93787E51FBE111E4EB1530B22C97AD27" xlink:to="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_93787E51FBE111E4EB1530B22C97AD27" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_003733DCAED8D14CF04930B22C98AF58_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_003733DCAED8D14CF04930B22C98AF58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_C79E9BF986EC3495BDD030B22C988C34_totalLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_C79E9BF986EC3495BDD030B22C988C34" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total lease payments</link:label>
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    <link:label id="lab_nes_FinanceLeaseExecutoryCosts_FC7EC69CDA6AC299DF8030B22C987918_negatedTerseLabel_en-US" xlink:label="lab_nes_FinanceLeaseExecutoryCosts_FC7EC69CDA6AC299DF8030B22C987918" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less amount representing executory costs</link:label>
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    <link:label id="lab_nes_FinanceLeaseLiabilityPaymentsDueNet_E92D8E23B8ACA2525B5E30B22C999F89_totalLabel_en-US" xlink:label="lab_nes_FinanceLeaseLiabilityPaymentsDueNet_E92D8E23B8ACA2525B5E30B22C999F89" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net lease payments</link:label>
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_4354201C6CB7947949E630B22C998F81_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_4354201C6CB7947949E630B22C998F81" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less amount representing interest</link:label>
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    <link:label id="lab_us-gaap_RestructuringReserve_95031CFABB78D62E88E16B436CD60943_periodStartLabel_en-US" xlink:label="lab_us-gaap_RestructuringReserve_95031CFABB78D62E88E16B436CD60943" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance accrued at beginning of period</link:label>
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    <link:label id="lab_us-gaap_PaymentsForRestructuring_E6AFE9ACA6BB9E0EBDC26B436CD6ECDD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRestructuring_E6AFE9ACA6BB9E0EBDC26B436CD6ECDD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash payments</link:label>
    <link:label id="lab_us-gaap_PaymentsForRestructuring_E6AFE9ACA6BB9E0EBDC26B436CD6ECDD_label_en-US" xlink:label="lab_us-gaap_PaymentsForRestructuring_E6AFE9ACA6BB9E0EBDC26B436CD6ECDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Restructuring</link:label>
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    <link:label id="lab_us-gaap_RestructuringReserve_811EA3A7E67DC26AA9FA6B436CD63B35_periodEndLabel_en-US" xlink:label="lab_us-gaap_RestructuringReserve_811EA3A7E67DC26AA9FA6B436CD63B35" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance accrued at end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_811EA3A7E67DC26AA9FA6B436CD63B35" xlink:type="locator" />
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    <link:label id="lab_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B_terseLabel_en-US" xlink:label="lab_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining lease terms</link:label>
    <link:label id="lab_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B_label_en-US" xlink:label="lab_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Remaining Lease Term</link:label>
    <link:label id="lab_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B_documentation_en-US" xlink:label="lab_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Remaining Lease Term</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_LesseeOperatingLeaseRemainingLeaseTerm" xlink:label="loc_nes_LesseeOperatingLeaseRemainingLeaseTerm_2B06506BDC2BE712895B93F228C2A10B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110_terseLabel_en-US" xlink:label="lab_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Residual value guarantee</link:label>
    <link:label id="lab_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110_label_en-US" xlink:label="lab_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Residual Value of Leased Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResidualValueOfLeasedAsset" xlink:label="loc_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110" xlink:to="lab_us-gaap_ResidualValueOfLeasedAsset_831DFE1D3E349FA5182893EB5C10D110" xlink:type="arc" />
    <link:label id="lab_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361_terseLabel_en-US" xlink:label="lab_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease not yet commenced, amount</link:label>
    <link:label id="lab_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361_label_en-US" xlink:label="lab_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Lease Not yet Commenced, Amount</link:label>
    <link:label id="lab_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361_documentation_en-US" xlink:label="lab_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Lease Not yet Commenced, Amount</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount" xlink:label="loc_nes_LesseeOperatingLeaseLeaseNotyetCommencedAmount_7AF270E411476ABECF6293EB5C10B361" xlink:type="locator" />
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    <link:label id="lab_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31_terseLabel_en-US" xlink:label="lab_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of water transfer trucks</link:label>
    <link:label id="lab_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31_label_en-US" xlink:label="lab_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Finance Lease, Lease Not yet Commenced, Number Of Water Transfer Trucks</link:label>
    <link:label id="lab_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31_documentation_en-US" xlink:label="lab_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee, Finance Lease, Lease Not yet Commenced, Number Of Water Transfer Trucks</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks" xlink:label="loc_nes_LesseeFinanceLeaseLeaseNotyetCommencedNumberOfWaterTransferTrucks_46E9B15720803E1C2EA893EB5C100C31" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_DE9F290B3E71185D0F1793EB5C106A06_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_DE9F290B3E71185D0F1793EB5C106A06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease not yet commenced, term</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_DE9F290B3E71185D0F1793EB5C106A06_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_DE9F290B3E71185D0F1793EB5C106A06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1" xlink:label="loc_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_DE9F290B3E71185D0F1793EB5C106A06" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesRentExpenseNet_D0F76FBEE48AB69F58CA93EB5C11BE07_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesRentExpenseNet_D0F76FBEE48AB69F58CA93EB5C11BE07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease expense under operating leases</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesRentExpenseNet_D0F76FBEE48AB69F58CA93EB5C11BE07_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesRentExpenseNet_D0F76FBEE48AB69F58CA93EB5C11BE07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Rent Expense, Net</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_8BA843E6F5C5B49481C39436C2E2AFC9_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_8BA843E6F5C5B49481C39436C2E2AFC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_30B795B9E9F9CC37E2EA9436C2E22919_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_30B795B9E9F9CC37E2EA9436C2E22919" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
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    <link:label id="lab_us-gaap_ProfitLoss_50B9442A29116A5AE8DD9436C2E280DF_terseLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss_50B9442A29116A5AE8DD9436C2E280DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net loss</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCash" xlink:label="loc_us-gaap_RestrictedCash_A2CBB35478665C31CEFA9436C2E8D590" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_2A0DD14663AD9A830B909436C2E98E9B_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_2A0DD14663AD9A830B909436C2E98E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
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    <link:label id="lab_us-gaap_InterestPaidNet_D2651B80037526082D4194590A921703_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_D2651B80037526082D4194590A921703" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for interest</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_D2651B80037526082D4194590A921703_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_D2651B80037526082D4194590A921703" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
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    <link:label id="lab_us-gaap_StockIssued1_A4910E59FBC82056FC549436C2EAB35A_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssued1_A4910E59FBC82056FC549436C2EAB35A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued to settle Bridge Term Loan</link:label>
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    <link:label id="lab_nes_TwoLargestShareholdersMember_444FE12A823F2D40EEB17E83FAB0EDDE_documentation_en-US" xlink:label="lab_nes_TwoLargestShareholdersMember_444FE12A823F2D40EEB17E83FAB0EDDE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Two Largest Shareholders [Member]</link:label>
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    <link:label id="lab_us-gaap_SubsidiarySaleOfStockAxis_F2C8C8AB2329D05BAF1D7E83FAB07469_terseLabel_en-US" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis_F2C8C8AB2329D05BAF1D7E83FAB07469" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_SubsidiarySaleOfStockAxis_F2C8C8AB2329D05BAF1D7E83FAB07469_label_en-US" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis_F2C8C8AB2329D05BAF1D7E83FAB07469" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Axis]</link:label>
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    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_F32C5C6C6334AF11B5017E83FAB04BDE_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain_F32C5C6C6334AF11B5017E83FAB04BDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_F32C5C6C6334AF11B5017E83FAB04BDE_label_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain_F32C5C6C6334AF11B5017E83FAB04BDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_F32C5C6C6334AF11B5017E83FAB04BDE" xlink:type="locator" />
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    <link:label id="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13_terseLabel_en-US" xlink:label="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rights Offering</link:label>
    <link:label id="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13_label_en-US" xlink:label="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights Offering [Member]</link:label>
    <link:label id="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13_documentation_en-US" xlink:label="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights Offering [Member]</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_RightsOfferingMember" xlink:label="loc_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13" xlink:to="lab_nes_RightsOfferingMember_BFF3A4D098980B1284307E83FAB07C13" xlink:type="arc" />
    <link:label id="lab_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83_terseLabel_en-US" xlink:label="lab_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge Term Loan</link:label>
    <link:label id="lab_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83_label_en-US" xlink:label="lab_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge Term Loan Credit Agreement [Member]</link:label>
    <link:label id="lab_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83_documentation_en-US" xlink:label="lab_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bridge Term Loan Credit Agreement [Member]</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_BridgeTermLoanCreditAgreementMember" xlink:label="loc_nes_BridgeTermLoanCreditAgreementMember_24193EA9C0A5C7E3CB707E9220268D83" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ClassOfStockLineItems_91509D82B55066D4A35E7E83FAB1B420_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems_91509D82B55066D4A35E7E83FAB1B420" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_91509D82B55066D4A35E7E83FAB1B420_label_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems_91509D82B55066D4A35E7E83FAB1B420" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_91509D82B55066D4A35E7E83FAB1B420" xlink:type="locator" />
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    <link:label id="lab_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF_terseLabel_en-US" xlink:label="lab_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of stock held by largest shareholders</link:label>
    <link:label id="lab_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF_label_en-US" xlink:label="lab_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership Percentage Held By Shareholders</link:label>
    <link:label id="lab_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF_documentation_en-US" xlink:label="lab_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ownership Percentage Held By Shareholders</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_OwnershipPercentageHeldByShareholders" xlink:label="loc_nes_OwnershipPercentageHeldByShareholders_35725D87309CAC6C77A57E83FAB20BDF" xlink:type="locator" />
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    <link:label id="lab_nes_NonRefundableFeePercentageOfOfferingPrice_7BC19EC30928226C01397E83FAB26311_terseLabel_en-US" xlink:label="lab_nes_NonRefundableFeePercentageOfOfferingPrice_7BC19EC30928226C01397E83FAB26311" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of nonrefundable cash payments</link:label>
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    <link:label id="lab_nes_NonRefundableFeePercentageOfOfferingPrice_7BC19EC30928226C01397E83FAB26311_documentation_en-US" xlink:label="lab_nes_NonRefundableFeePercentageOfOfferingPrice_7BC19EC30928226C01397E83FAB26311" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NonRefundable Fee, Percentage Of Offering Price</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_NonRefundableFeePercentageOfOfferingPrice" xlink:label="loc_nes_NonRefundableFeePercentageOfOfferingPrice_7BC19EC30928226C01397E83FAB26311" xlink:type="locator" />
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    <link:label id="lab_nes_RegistrationStatementRequiredPeriod_54B127A353CC4AE098FF7E83FAB258E8_terseLabel_en-US" xlink:label="lab_nes_RegistrationStatementRequiredPeriod_54B127A353CC4AE098FF7E83FAB258E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Required period for registration statement (in days)</link:label>
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    <link:label id="lab_nes_RegistrationStatementRequiredPeriod_54B127A353CC4AE098FF7E83FAB258E8_documentation_en-US" xlink:label="lab_nes_RegistrationStatementRequiredPeriod_54B127A353CC4AE098FF7E83FAB258E8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Registration Statement, Required Period</link:label>
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    <link:label id="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_15AE8305A46E68662E8A7E83FAB298A5_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_15AE8305A46E68662E8A7E83FAB298A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate shares sold (in shares)</link:label>
    <link:label id="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_15AE8305A46E68662E8A7E83FAB298A5_label_en-US" xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_15AE8305A46E68662E8A7E83FAB298A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Number of Shares Issued in Transaction</link:label>
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    <link:label id="lab_us-gaap_SaleOfStockPricePerShare_E86AFE483015401AEEFE7E83FAB23974_label_en-US" xlink:label="lab_us-gaap_SaleOfStockPricePerShare_E86AFE483015401AEEFE7E83FAB23974" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Price Per Share</link:label>
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    <link:label id="lab_us-gaap_DebtConversionOriginalDebtAmount1_5A8EEF0D497A2021C1C57E9016329D6F_terseLabel_en-US" xlink:label="lab_us-gaap_DebtConversionOriginalDebtAmount1_5A8EEF0D497A2021C1C57E9016329D6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion of loan to common stock</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfShortTermDebt_2E02F631195BDF3B6E647E83FAB3A437_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfShortTermDebt_2E02F631195BDF3B6E647E83FAB3A437" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments on bridge term loan</link:label>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_618E32921A1BD6E0ABE67E83FAB33129_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_618E32921A1BD6E0ABE67E83FAB33129" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of common stock for rights offering (in shares)</link:label>
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    <link:label id="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B_terseLabel_en-US" xlink:label="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chapter 11 Bankruptcy</link:label>
    <link:label id="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B_label_en-US" xlink:label="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chapter 11 Bankruptcy [Member]</link:label>
    <link:label id="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B_documentation_en-US" xlink:label="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chapter 11 Bankruptcy [Member]</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_Chapter11BankruptcyMember" xlink:label="loc_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B" xlink:to="lab_nes_Chapter11BankruptcyMember_7E3D313D9BFA9FF7A4832D93E82D719B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingencies [Line Items]</link:label>
    <link:label id="lab_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E_label_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingencies [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E" xlink:to="lab_us-gaap_LossContingenciesLineItems_93323209D06603A1BDE92D93E2E62D2E" xlink:type="arc" />
    <link:label id="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851_terseLabel_en-US" xlink:label="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount to be transferred upon emergence from Chapter 11</link:label>
    <link:label id="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851_label_en-US" xlink:label="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Payments to Resolve Unsecured Claims, Amount Transferred</link:label>
    <link:label id="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851_documentation_en-US" xlink:label="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Payments to Resolve Unsecured Claims, Amount Transferred</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred" xlink:label="loc_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmountTransferred_D9F80EB86B130FBFB0782D93E45D3851" xlink:type="locator" />
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    <link:label id="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C_terseLabel_en-US" xlink:label="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount to be transferred when required permits are delivered</link:label>
    <link:label id="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C_label_en-US" xlink:label="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Payments to Resolve Unsecured Claims, Amount to be Transferred Contingent on Delivery of Permits</link:label>
    <link:label id="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C_documentation_en-US" xlink:label="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Consideration, Payments to Resolve Unsecured Claims, Amount to be Transferred Contingent on Delivery of Permits</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits" xlink:label="loc_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C" xlink:to="lab_nes_ContingentConsiderationPaymentstoResolveUnsecuredClaimsAmounttobeTransferredContingentonDeliveryofPermits_4517905643EF2D65CAAD2D93E5AA772C" xlink:type="arc" />
    <link:label id="lab_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD_terseLabel_en-US" xlink:label="lab_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax accrual not recorded</link:label>
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    <link:label id="lab_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD_documentation_en-US" xlink:label="lab_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Tax Examination, Penalties, Not Accrued</link:label>
    <link:loc xlink:href="nes-20190331.xsd#nes_IncomeTaxExaminationPenaltiesNotAccrued" xlink:label="loc_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD" xlink:to="lab_nes_IncomeTaxExaminationPenaltiesNotAccrued_D6DB521A3EC4C0F293982D96CF2569DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_2BEB2F6424CF972A8A1434EF68FDEB66_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_81929D1B084E512FABFB93BC88711388" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Revenues Disaggregated by Revenue Source</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_2BEB2F6424CF972A8A1434EF68FDEB66_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_81929D1B084E512FABFB93BC88711388" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disaggregation of Revenue [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating lease cost</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseExpense" xlink:label="loc_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3" xlink:to="lab_us-gaap_OperatingLeaseExpense_B07EF6C0404564E268862C6CE388C4F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance lease cost:</link:label>
    <link:label id="lab_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD_label_en-US" xlink:label="lab_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income and Expenses, Lessee [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeAndExpensesLesseeAbstract" xlink:label="loc_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD" xlink:to="lab_us-gaap_IncomeAndExpensesLesseeAbstract_CE621F8EA75AFC15D4082C6D0E5106FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of leased assets</link:label>
    <link:label id="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Lease, Right-of-Use Asset, Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997" xlink:to="lab_us-gaap_FinanceLeaseRightOfUseAssetAmortization_C805C2EBE985A7AE5E7D2C6D8F6C9997" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on lease liabilities</link:label>
    <link:label id="lab_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Lease, Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D" xlink:to="lab_us-gaap_FinanceLeaseInterestExpense_921F9AA7616682350BFC2C6DE678542D" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableLeaseCost_0E4D8D5173C95FC0FC722C6F82205731_terseLabel_en-US" xlink:label="lab_us-gaap_VariableLeaseCost_0E4D8D5173C95FC0FC722C6F82205731" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable lease cost</link:label>
    <link:label id="lab_us-gaap_VariableLeaseCost_0E4D8D5173C95FC0FC722C6F82205731_label_en-US" xlink:label="lab_us-gaap_VariableLeaseCost_0E4D8D5173C95FC0FC722C6F82205731" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Lease, Cost</link:label>
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    <link:label id="lab_us-gaap_SubleaseIncome_33BAE8943E869996C2E12C6FBB8D76DA_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_SubleaseIncome_33BAE8943E869996C2E12C6FBB8D76DA" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Sublease income</link:label>
    <link:label id="lab_us-gaap_SubleaseIncome_33BAE8943E869996C2E12C6FBB8D76DA_label_en-US" xlink:label="lab_us-gaap_SubleaseIncome_33BAE8943E869996C2E12C6FBB8D76DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sublease Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubleaseIncome" xlink:label="loc_us-gaap_SubleaseIncome_33BAE8943E869996C2E12C6FBB8D76DA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LeaseCost_A898995C236ACBBAFBA62C6FF43F9DBB_totalLabel_en-US" xlink:label="lab_us-gaap_LeaseCost_A898995C236ACBBAFBA62C6FF43F9DBB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total net lease cost</link:label>
    <link:label id="lab_us-gaap_LeaseCost_A898995C236ACBBAFBA62C6FF43F9DBB_label_en-US" xlink:label="lab_us-gaap_LeaseCost_A898995C236ACBBAFBA62C6FF43F9DBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease, Cost</link:label>
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    <link:label id="lab_us-gaap_ShortTermLeaseCost_28EDB455547251B0D7A52C718A6A86FA_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermLeaseCost_28EDB455547251B0D7A52C718A6A86FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term lease cost</link:label>
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