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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Cash flows from operating activities: |  |
Net loss | $ (6,891) | $ (209,722)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation, depletion, amortization and impairment | 238,491 | 296,919
Dry holes and abandonments | 118 | 171
Deferred income tax expense (benefit) | 404 | (37,073)
Stock-based compensation expense | 9,804 | 11,825
Net gain on asset disposals | (10,408) | (4,052)
Amortization of debt discount and issuance costs | 416 | 412
Changes in operating assets and liabilities: |  |
Accounts receivable | (116,859) | (36,438)
Income taxes receivable/payable | 542 | 4,369
Inventory and other assets | (17,671) | (6,423)
Accounts payable | 42,661 | 34,465
Accrued liabilities | (49,487) | (8,785)
Other liabilities | (6,103) | (1,471)
Net cash provided by operating activities | 85,017 | 44,197
Cash flows from investing activities: |  |
Purchases of property and equipment | (191,198) | (56,573)
Proceeds from disposal of assets | 15,346 | 15,145
Other | (2,342) | (223)
Net cash used in investing activities | (178,194) | (41,651)
Cash flows from financing activities: |  |
Purchases of treasury stock | (12,897) | (3,522)
Dividends paid | (17,263) | (7,523)
Proceeds from borrowings under revolving credit facility | 45,000 | 0
Repayment of borrowings under revolving credit facility | (20,000) | 0
Net cash used in financing activities | (5,160) | (11,045)
Effect of foreign exchange rate changes on cash | 449 | 266
Net decrease in cash and cash equivalents | (97,888) | (8,233)
Cash and cash equivalents at beginning of period | 117,524 | 224,915
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 19,636 | 216,682
Cash and cash equivalents at end of period | 19,636 | 216,682
Net cash received (paid) during the period for: |  |
Interest, net of capitalized interest of $400 in 2022 and $56 in 2021 | (20,341) | (20,604)
Income taxes | (880) | 4,226
Non-cash investing and financing activities: |  |
Net increase (decrease) in payables for purchases of property and equipment | 19,779 | (5,232)
Net (increase) decrease in deposits on equipment purchases | (4,363) | 117
Cashless exercise of stock options | $ 10,368 | $ 0

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