POWER OF ATTORNEY
             FOR EXECUTING FORM ID, FORMS 3, FORMS 4 AND FORMS 5 AND
                                    FORM 144

The undersigned hereby constitutes and appoints Michael Stock, R. Sean Elliott,
Ryan Gosney or any of them acting without the others, with full power of
substitution, as the undersigned's true and lawful attorney-in-fact to:

     (1)  Execute for and on behalf of the undersigned a Form ID (including
          amendments thereto), or any other forms prescribed by the Securities
          and Exchange Commission, that may be necessary to obtain codes and
          passwords enabling the undersigned to make electronic filings with the
          Securities and Exchange Commission of the forms referenced in clause
          (2) below;

     (2)  Execute for and on behalf of the undersigned any (a) Form 3, Form 4
          and Form 5 (including amendments thereto) in accordance with Section
          16(a) of the Securities Exchange Act of 1934, as amended (the
          "Exchange Act"), and the rules thereunder and (b) Form 144 (including
          amendments thereto), but only to the extent each form or schedule
          relates to the undersigned's beneficial ownership of securities of
          Liberty Oilfield Services Inc. or any of its subsidiaries;

     (3)  Do and perform any and all acts for and on behalf of the undersigned
          that may be necessary or desirable to complete and execute any Form
          ID, Form 3, Form 4, Form 5 or Form 144 (including amendments thereto)
          and timely file the forms or schedules with the Securities and
          Exchange Commission and any stock exchange or quotation system,
          self-regulatory association or any other authority, and provide a copy
          as required by law or advisable to such persons as the
          attorney-in-fact deems appropriate; and

     (4)  Take any other action in connection with the foregoing that, in the
          opinion of the attorney-in-fact, may be of benefit to, in the best
          interest of or legally required of the undersigned, it being
          understood that the documents executed by the attorney-in-fact on
          behalf of the undersigned pursuant to this Power of Attorney shall be
          in the form and shall contain the terms and conditions as the
          attorney-in-fact may approve in the attorney-in-fact's discretion.

The undersigned hereby grants to the attorney-in-fact full power and authority
to do and perform all and every act requisite, necessary or proper to be done in
the exercise of any of the rights and powers granted herein, as fully to all
intents and purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and confirming
all that the attorney-in-fact shall lawfully do or cause to be done by virtue of
this Power of Attorney and the rights and powers granted herein. The undersigned
acknowledges that the attorney-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming (nor is Liberty Oilfield Services
Inc. assuming) any of the undersigned's responsibilities to comply with Section
16 of the Exchange Act.

The undersigned agrees that the attorney-in-fact may rely entirely on
information furnished orally or in writing by or at the direction of the
undersigned to the attorney-in-fact.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Form ID, Form 3, Form 4, Form 5 and
Form 144 (including amendments thereto) with respect to the undersigned's
holdings of and transactions in securities issued by Liberty Oilfield Services
Inc., unless earlier revoked by the undersigned in a signed writing delivered to
the attorney-in-fact. This Power of Attorney does not revoke any other power of
attorney that the undersigned has previously granted.

                            [Signature Page Follows]


IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date written below.

Dated:  May 4, 2017

                                        /s/ Christopher A. Wright
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