Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-134962-index-headers.html | 2020-05-06 16:36:15 | |
| 0001193125-20-134962-index.html | 2020-05-06 16:36:15 | |
| 0001193125-20-134962.txt | 2020-05-06 16:36:15 | |
 0001193125-20-134962-xbrl.zip | 26929 | 2020-05-06 16:36:15 |
| d830979d8k.htm | 30305 | 2020-05-06 16:36:15 |
| d830979d8k_htm.xml | 3461 | 2020-05-06 16:36:15 |
| d830979dex991.htm | 89154 | 2020-05-06 16:36:15 |
| d830979dex992.htm | 42081 | 2020-05-06 16:36:15 |
| drq-20200506.xsd | 3069 | 2020-05-06 16:36:15 |
| drq-20200506_lab.xml | 18090 | 2020-05-06 16:36:15 |
| drq-20200506_pre.xml | 11393 | 2020-05-06 16:36:15 |
| FilingSummary.xml | 1760 | 2020-05-06 16:36:15 |
| Financial_Report.xlsx | 5809 | 2020-05-06 16:36:15 |
 g830979ex99_2p10g1.jpg | 170040 | 2020-05-06 16:36:15 |
 g830979ex99_2p11g1.jpg | 199026 | 2020-05-06 16:36:15 |
 g830979ex99_2p12g1.jpg | 234969 | 2020-05-06 16:36:15 |
 g830979ex99_2p13g1.jpg | 200091 | 2020-05-06 16:36:15 |
 g830979ex99_2p14g1.jpg | 81871 | 2020-05-06 16:36:15 |
 g830979ex99_2p15g1.jpg | 152511 | 2020-05-06 16:36:15 |
 g830979ex99_2p16g1.jpg | 197728 | 2020-05-06 16:36:15 |
 g830979ex99_2p17g1.jpg | 150010 | 2020-05-06 16:36:15 |
 g830979ex99_2p18g1.jpg | 145749 | 2020-05-06 16:36:15 |
 g830979ex99_2p19g1.jpg | 122687 | 2020-05-06 16:36:15 |
 g830979ex99_2p1g1.jpg | 139554 | 2020-05-06 16:36:15 |
 g830979ex99_2p20g1.jpg | 138716 | 2020-05-06 16:36:15 |
 g830979ex99_2p21g1.jpg | 99803 | 2020-05-06 16:36:15 |
 g830979ex99_2p22g1.jpg | 132019 | 2020-05-06 16:36:15 |
 g830979ex99_2p23g1.jpg | 132190 | 2020-05-06 16:36:15 |
 g830979ex99_2p2g1.jpg | 299042 | 2020-05-06 16:36:15 |
 g830979ex99_2p3g1.jpg | 119780 | 2020-05-06 16:36:15 |
 g830979ex99_2p4g1.jpg | 142466 | 2020-05-06 16:36:15 |
 g830979ex99_2p5g1.jpg | 231321 | 2020-05-06 16:36:15 |
 g830979ex99_2p6g1.jpg | 242089 | 2020-05-06 16:36:15 |
 g830979ex99_2p7g1.jpg | 226841 | 2020-05-06 16:36:15 |
 g830979ex99_2p8g1.jpg | 191840 | 2020-05-06 16:36:15 |
 g830979ex99_2p9g1.jpg | 158673 | 2020-05-06 16:36:15 |
| MetaLinks.json | 18811 | 2020-05-06 16:36:15 |
| R1.htm | 40104 | 2020-05-06 16:36:15 |
| report.css | 2767 | 2020-05-06 16:36:15 |
| Show.js | 1085 | 2020-05-06 16:36:15 |