Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Estimated Useful Lives of Asset Classes

As of December 31, 2018, the estimated useful lives of our asset classes are as follows:

Description	Years
Well service rigs and components	3-15
Oilfield trucks, vehicles and related equipment	4-7
Fishing and rental tools, coiled tubing units and equipment, tubulars and pressure control equipment	3-10
Disposal wells	15
Furniture and equipment	3-7
Buildings and improvements	15-30