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| 0001193125-12-210792.txt | 2012-05-04 11:13:50 | |
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| d334570d10q.htm | 821879 | 2012-05-04 11:13:50 |
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| FilingSummary.xml | 9673 | 2012-05-04 11:13:50 |
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| pkd-20120331.xsd | 11335 | 2012-05-04 11:13:50 |
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| R2.htm | 119960 | 2012-05-04 11:13:50 |
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