Exhibit 21.1
List of Subsidiaries of WPX Energy, Inc.
(all Delaware entities unless otherwise indicated)
1. | Barrett Resources International Corporation |
2. | Bison Royalty LLC |
3. | Diamond Elk, LLC – a Colorado limited liability company |
4. | Mockingbird Pipeline, L.P. |
5. | Northwest Argentina Corporation – a Utah corporation |
6. | RW Gathering, LLC |
7. | SW Gathering, LLC |
8. | WPX Energy Appalachia, LLC |
9. | WPX Energy Arkoma Gathering, LLC |
10. | WPX Enterprises, Inc. |
11. | WPX Energy Gulf Coast, LP |
Assumed name in Texas: Williams Prod. Gulf Coast, L.P.
12. | WPX Energy Holdings, LLC |
13. | WPX Energy Keystone, LLC |
14. | WPX Energy Marcellus Gathering, LLC |
15. | WPX Energy Mid-Continent Company, an Oklahoma corporation |
16. | WPX Energy Production, LLC |
Fictitious name in Oklahoma: WEG-Production Company, LLC
17. | WPX Energy Rocky Mountain, LLC |
18. | WPX Energy RM Company |
19. | WPX Energy Ryan Gulch, LLC |
20. | WPX Energy Marketing, LLC |
21. | WPX Energy Marketing Services Company, LLC |
22. | WPX Energy Services Company, LLC |
23. | WPX Energy Van Hook Gathering Services, LLC |
24. | WPX Energy Williston, LLC |
Trade name in North Dakota: D3 E & P LLC
25. | WPX Gas Resources Company |
International subsidiaries:
1. | WPX Energy International Oil & Gas (Venezuela), Ltd. – a Cayman Islands corporation |
2. | Apco Oil and Gas International Inc. – a Cayman Islands corporation |
3. | Apco Argentina S.A – an Argentina entity |
4. | Apco Austral S.A. – an Argentina entity |
5. | Apco Properties Ltd. – a Cayman Islands corporation |