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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 156,818 | $ 84,284
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation, depletion and amortization | 185,697 | 194,757
Deferred income tax expense | 14,695 | 52,089
(Gain) loss on sale of assets | (91) | 170
Exploratory dry hole cost | 0 | 2,011
Loss (gain) on derivative instruments | 100,358 | (60,036)
Net cash received in settlement of derivative instruments | 3,050 | 19,423
Loss on equity method investments | 0 | 59
Amortization of debt issuance costs | 1,424 | 1,501
Stock-based compensation and other | 14,702 | 23,463
Changes in assets and liabilities: |  |
Accounts receivable, net | 32,024 | 91,106
Income taxes | (16,253) | (25,547)
Inventories | (2,125) | (4,452)
Other current assets | (2,983) | (1,663)
Accounts payable and accrued liabilities | (11,872) | (36,453)
Interest payable | (2,622) | (97)
Other assets and liabilities | (3,353) | 718
Net cash provided by operating activities | 469,469 | 341,333
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (274,939) | (331,183)
Proceeds from sale of assets | 112 | 275
Investment in equity method investments | 0 | (35)
Proceeds from sale of equity method investments | 0 | (9,424)
Net cash used in investing activities | (274,827) | (340,367)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Repayments of debt | (88,000) | 0
Dividends paid | (83,850) | (79,675)
Tax withholdings on vesting of stock awards | (5,569) | (6,332)
Net cash used in financing activities | (177,419) | (86,007)
Net increase (decrease) in cash, cash equivalents and restricted cash | 17,223 | (85,041)
Cash, cash equivalents and restricted cash, beginning of period | 151,691 | 213,783
Cash, cash equivalents and restricted cash, end of period | $ 168,914 | $ 128,742

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