Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Summary of Significant Accounting Policies

Schedule of useful life of property, plant and equipment

	Useful Life
Proppant management systems and related equipment	Up to 15 years
Machinery and equipment	2-10 years
Furniture and fixtures	5 years
Computer equipment	3 years
Vehicles	5 years
Buildings	15 years