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|---|---|---|
 0000909281-10-000028-index-headers.html | 2010-02-23 14:02:02 | |
| 0000909281-10-000028-index.html | 2010-02-23 14:02:02 | |
| 0000909281-10-000028.txt | 2010-02-23 14:02:02 | |
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| ex_23-3.htm | 3104 | 2010-02-23 14:02:02 |
| ex_31-1.htm | 11421 | 2010-02-23 14:02:02 |
| ex_31-2.htm | 11424 | 2010-02-23 14:02:02 |
| ex_32-1.htm | 5250 | 2010-02-23 14:02:02 |
| ex_32-2.htm | 5253 | 2010-02-23 14:02:02 |
| ex_99-1.htm | 340103 | 2010-02-23 14:02:02 |
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| Financial_Report.xls | 129024 | 2010-02-23 14:02:02 |
| form_10-k.htm | 3568261 | 2010-02-23 14:02:02 |
| oks-20091231.xml | 1075415 | 2010-02-23 14:02:02 |
| oks-20091231.xsd | 16896 | 2010-02-23 14:02:02 |
| oks-20091231_cal.xml | 51787 | 2010-02-23 14:02:02 |
| oks-20091231_def.xml | 10996 | 2010-02-23 14:02:02 |
| oks-20091231_lab.xml | 245332 | 2010-02-23 14:02:02 |
| oks-20091231_pre.xml | 114320 | 2010-02-23 14:02:02 |
 performance_graph.jpg | 39599 | 2010-02-23 14:02:02 |
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| R10.xml | 46351 | 2010-02-23 14:02:02 |
| R11.xml | 57442 | 2010-02-23 14:02:02 |
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| R19.xml | 258822 | 2010-02-23 14:02:02 |
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| R21.xml | 9915 | 2010-02-23 14:02:02 |
| R22.xml | 35637 | 2010-02-23 14:02:02 |
| R23.xml | 66187 | 2010-02-23 14:02:02 |
| R24.xml | 8550 | 2010-02-23 14:02:02 |
| R25.xml | 27885 | 2010-02-23 14:02:02 |
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| R4.xml | 110792 | 2010-02-23 14:02:02 |
| R5.xml | 173947 | 2010-02-23 14:02:02 |
| R6.xml | 20568 | 2010-02-23 14:02:02 |
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| R8.xml | 7797 | 2010-02-23 14:02:02 |
| R9.xml | 94295 | 2010-02-23 14:02:02 |