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Property and Equipment, Net
9 Months Ended
Sep. 30, 2020
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net
Note 3 — Property and Equipment, Net
Property and equipment, net include the following (in millions):
Estimated Useful Life
(years)
September 30, 2020December 31, 2019
High specification rigs
20
$127.2 $127.2 
High specification rigs machinery and equipment
5 - 10
41.8 38.3 
Completion and other services machinery and equipment
5 - 10
55.9 55.8 
Processing solutions machinery and equipment
3 - 30
45.9 40.8 
Vehicles
3 - 15
21.5 25.9 
Other property and equipment
5 - 25
10.6 10.1 
Property and equipment302.9 298.1 
Less: accumulated depreciation(106.9)(85.5)
Construction in progress1.9 6.3 
Property and equipment, net$197.9 $218.9 
Depreciation expense was $8.2 million and $8.9 million for the three months ended September 30, 2020 and 2019, respectively, and $26.2 million and $25.4 million for the nine months ended September 30, 2020 and 2019, respectively.