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Schedule of Total Purchase Price of Assets Acquired and Liabilities Assumed Based on Fair Value (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Oct. 11, 2017 | Apr. 20, 2017 | Dec. 31, 2016
--- | --- | --- | --- | --- | ---
Liabilities assumed |  |  |  |  |
Goodwill | $ 410,756 | $ 611,473 |  |  | $ 86,234
Seventy Seven Energy Inc. |  |  |  |  |
Identifiable assets acquired |  |  |  |  |
Cash and cash equivalents |  |  |  | $ 37,806 |
Accounts receivable |  |  |  | 149,659 |
Inventory |  |  |  | 8,518 |
Other current assets |  |  |  | 19,038 |
Property and equipment |  |  |  | 984,433 |
Other long-term assets |  |  |  | 20,918 |
Intangible assets |  |  |  | 22,500 |
Total identifiable assets acquired |  |  |  | 1,242,872 |
Liabilities assumed |  |  |  |  |
Accounts payable and accrued liabilities |  |  |  | 133,415 |
Deferred income taxes |  |  |  | 32,881 |
Other long-term liabilities |  |  |  | 1,734 |
Total liabilities assumed |  |  |  | 168,030 |
Net identifiable assets acquired |  |  |  | 1,074,842 |
Goodwill |  |  |  | 436,554 |
Total net assets acquired |  |  |  | $ 1,511,396 |
MS Directional |  |  |  |  |
Identifiable assets acquired |  |  |  |  |
Cash and cash equivalents |  |  | $ 2,021 |  |
Accounts receivable |  |  | 42,782 |  |
Inventory |  |  | 28,060 |  |
Other current assets |  |  | 155 |  |
Property and equipment |  |  | 63,998 |  |
Other long-term assets |  |  | 318 |  |
Intangible assets |  |  | 74,682 |  |
Total identifiable assets acquired |  |  | 212,016 |  |
Liabilities assumed |  |  |  |  |
Accounts payable and accrued liabilities |  |  | 44,099 |  |
Other long-term liabilities |  |  | 327 |  |
Total liabilities assumed |  |  | 44,426 |  |
Net identifiable assets acquired |  |  | 167,590 |  |
Goodwill |  |  | 89,685 |  |
Total net assets acquired |  |  | $ 257,275 |  |

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