Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v3.20.4
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Major Customers The Company had the following major customers that represented 10% or more of its total revenues for at least one of the periods presented:
Years Ended December 31,
2020 2019 2018
Shell Trading Company 31% 10% *
Valero Energy 23% * *
Rio Energy International, Inc. * 26% 28%
Enterprise Crude Oil, LLC * 19% 14%
Plains Marketing, L.P. * 15% 21%

* - Less than 10% for the applicable year.
Non-Cash Investing and Supplemental Cash Flow Information
The following table sets forth supplemental cash flow information for the periods indicated:
Years Ended December 31,
2020 2019 2018
(In thousands)
Interest paid, net of capitalized amounts $91,269  $—  $— 
Income taxes paid (1)
—  —  — 
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases $44,314  $3,414  $— 
Investing cash flows from operating leases 24,234  32,529  — 
Non-cash investing and financing activities:
Change in accrued capital expenditures ($64,465) ($31,475) ($52,757)
Change in asset retirement costs 8,605  13,559  8,730 
Contingent consideration arrangement —  8,512  — 
ROU assets obtained in exchange for lease liabilities:
Operating leases $8,070  $66,914  $— 
Financing leases —  2,197  — 

(1)    The Company did not pay any federal income tax for any of the years in the three year period ending December 31, 2020.