Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-11-047940-index-headers.html | 2011-02-25 21:01:57 | |
| 0001193125-11-047940-index.html | 2011-02-25 21:01:57 | |
| 0001193125-11-047940.txt | 2011-02-25 21:01:57 | |
 0001193125-11-047940-xbrl.zip | 55323 | 2011-02-25 21:01:57 |
| d10k.htm | 1012920 | 2011-02-25 21:01:57 |
| defnref.xml | 23205 | 2011-02-25 21:01:57 |
| dex104.htm | 5718 | 2011-02-25 21:01:57 |
| dex211.htm | 5182 | 2011-02-25 21:01:57 |
| dex231.htm | 1762 | 2011-02-25 21:01:57 |
| dex311.htm | 9351 | 2011-02-25 21:01:57 |
| dex312.htm | 9528 | 2011-02-25 21:01:57 |
| dex321.htm | 3791 | 2011-02-25 21:01:57 |
| dex322.htm | 3938 | 2011-02-25 21:01:57 |
| drq-20101231.xml | 453344 | 2011-02-25 21:01:57 |
| drq-20101231.xsd | 14080 | 2011-02-25 21:01:57 |
| drq-20101231_cal.xml | 33338 | 2011-02-25 21:01:57 |
| drq-20101231_def.xml | 10228 | 2011-02-25 21:01:57 |
| drq-20101231_lab.xml | 126868 | 2011-02-25 21:01:57 |
| drq-20101231_pre.xml | 87377 | 2011-02-25 21:01:57 |
| FilingSummary.xml | 15664 | 2011-02-25 21:01:57 |
| Financial_Report.xls | 387000 | 2011-02-25 21:01:57 |
| R1.xml | 49505 | 2011-02-25 21:01:57 |
| R10.xml | 29742 | 2011-02-25 21:01:57 |
| R11.xml | 22777 | 2011-02-25 21:01:57 |
| R12.xml | 18730 | 2011-02-25 21:01:57 |
| R13.xml | 74760 | 2011-02-25 21:01:57 |
| R14.xml | 19866 | 2011-02-25 21:01:57 |
| R15.xml | 9610 | 2011-02-25 21:01:57 |
| R16.xml | 25283 | 2011-02-25 21:01:57 |
| R17.xml | 10676 | 2011-02-25 21:01:57 |
| R18.xml | 88727 | 2011-02-25 21:01:57 |
| R19.xml | 51674 | 2011-02-25 21:01:57 |
| R2.xml | 81092 | 2011-02-25 21:01:57 |
| R20.xml | 28472 | 2011-02-25 21:01:57 |
| R21.xml | 7256 | 2011-02-25 21:01:57 |
| R22.xml | 11824 | 2011-02-25 21:01:57 |
| R23.xml | 51298 | 2011-02-25 21:01:57 |
| R3.xml | 89607 | 2011-02-25 21:01:57 |
| R4.xml | 25875 | 2011-02-25 21:01:57 |
| R5.xml | 101430 | 2011-02-25 21:01:57 |
| R6.xml | 129373 | 2011-02-25 21:01:57 |
| R7.xml | 15964 | 2011-02-25 21:01:57 |
| R8.xml | 10773 | 2011-02-25 21:01:57 |
| R9.xml | 47311 | 2011-02-25 21:01:57 |