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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2012
Summary of Purchase Price Allocation | A summary of the purchase price allocation follows (in thousands):
Sand and chemical inventory |  | $ | 6,848 |
Supplies |  |  | 312 |
Property and equipment |  |  | 154,359 |
Non-compete agreement |  |  | 1,400 |
Customer relationships |  |  | 25,500 |
Deferred tax asset |  |  | 8,514 |
Goodwill |  |  | 67,575 |
Below-market pricing agreements |  |  | (23,200 | )
Total purchase price |  | $ | 241,308 |

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- Definition Tabular disclosure of all of the fair values of the purchase price and assets and liabilities acquired in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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