| Schedule of useful lives for property plant and equipment |
|
|
| Computers, software, and office equipment |
|
1-5 years |
| Machinery and equipment |
|
3-5 years |
| Vehicles |
|
5-7 years |
| Furniture and fixtures |
|
5-10 years |
| Crude oil gathering, storage, and transportation facilities |
|
7-10 years |
| Remediation Processing Centers (heavy extraction and remediation equipment) (“RPC”) |
|
20 years |
| Pipeline and related facilities |
|
20 years |
| Leasehold improvements |
|
Lesser of the lease term or estimated useful life |