| Myox 21 State Com #031HHZ30-015-44000 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | ActiveGas | 19,579 | Dec 20, 2016 | 18,119 | 62,267 |
| Myox 21 State Com #032HHZ30-015-44002 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | ActiveGas | 19,477 | Dec 20, 2016 | 21,090 | 116,317 |
| Myox 21 State Com #033HHZ30-015-44003 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | CanceledGas | 19,519 | Dec 20, 2016 | 0 | 0 |
| Myox 21 State Com #034HHZ30-015-44004 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | CanceledGas | 19,685 | Dec 20, 2016 | 0 | 0 |
| Myox 21 State Com #035HHZ30-015-44005 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | CanceledGas | 19,460 | Dec 20, 2016 | 0 | 0 |
| Myox 21 State Com #033HHZ30-015-44006 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | ActiveGas | 19,665 | Dec 20, 2016 | 15,081 | 124,413 |
| Solution Federal Com #001HHZ30-015-44008 | COG Operating LLC | EddyParkway; Bone Spring | PermittedOil | 15,727 | Dec 19, 2016 | 0 | 0 |
| Solution Federal Com #004HHZ30-015-44011 | COG Operating LLC | EddyParkway; Bone Spring | PermittedOil | 15,285 | Dec 19, 2016 | 0 | 0 |
| Myox 5 State Com #023HHZ30-015-43972 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | ActiveGas | 20,210 | Dec 12, 2016 | 21,702 | 395,870 |
| Geronimo Federal Com #011HHZ30-025-43503 | COG Operating LLC | LeaGem; Bone Spring | ActiveOil | 20,728 | Dec 12, 2016 | 25,324 | 29,475 |
| Columbus Fee #023HHZ30-025-43489 | COG Operating LLC | LeaBobcat Draw; Upper Wolfcamp | ActiveOil | 22,256 | Dec 8, 2016 | 56,048 | 234,364 |
| Columbus Fee #024HHZ30-025-43490 | COG Operating LLC | LeaBobcat Draw; Upper Wolfcamp | ActiveOil | 22,326 | Dec 8, 2016 | 32,353 | 101,801 |
| Mas Federal #004HHZ30-025-43482 | COG Operating LLC | LeaWC-025 G-08 S203435D; Wolfcamp | ActiveOil | 15,972 | Nov 30, 2016 | 10,023 | 86,441 |
| Switchback State #021HHZ30-015-43967 | COG Operating LLC | EddyPurple Sage; Wolfcamp (Gas) | ActiveGas | 14,511 | Nov 22, 2016 | 10,044 | 45,876 |
| Duo Sonic 29 Federal #103HHZ30-025-43481 | COG Operating LLC | LeaDogie Draw; Delaware | CanceledOil | 13,482 | Nov 3, 2016 | 0 | 0 |
| Talco 9 26 35 Federal #003HHZ30-025-43458 | COG Operating LLC | LeaWC-025 G-09 S263504N; Wolfcamp | ActiveOil | 19,222 | Oct 7, 2016 | 26,476 | 34,499 |
| Jaguar 18 State #001CHZ30-025-43437 | COG Operating LLC | LeaCruz; Bone Spring | CanceledOil | 16,571 | Sep 29, 2016 | 0 | 0 |
| Jaguar 18 State #004CHZ30-025-43438 | COG Operating LLC | LeaCruz; Bone Spring | CanceledOil | 16,566 | Sep 29, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #003HHZ30-025-43445 | COG Operating LLC | LeaWC-025 G-08 S253534O; Bone Spring | CanceledOil | 16,953 | Sep 27, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #503HHZ30-025-43446 | COG Operating LLC | LeaWC-025 G-08 S253534O; Bone Spring | CanceledOil | 15,437 | Sep 27, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #701HHZ30-025-43433 | COG Operating LLC | LeaDogie Draw; Wolfcamp | CanceledOil | 17,128 | Sep 19, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #702HHZ30-025-43434 | COG Operating LLC | LeaDogie Draw; Wolfcamp | CanceledOil | 16,975 | Sep 19, 2016 | 0 | 0 |
| Lusk Deep Unit a #033HHZ30-025-43390 | COG Operating LLC | LeaLusk; Bone Spring | ActiveOil | 14,630 | Aug 17, 2016 | 991 | 2,269 |
| Nervous Purvis State #009HHZ30-015-43882 | COG Operating LLC | EddyWatkins; Bone Spring | CanceledOil | 13,938 | Aug 8, 2016 | 0 | 0 |
| Nervous Purvis State #008HHZ30-015-43883 | COG Operating LLC | EddyWatkins; Bone Spring | CanceledOil | 13,851 | Aug 8, 2016 | 0 | 0 |
| Music Master 27 Federal Com #003HHZ30-025-43387 | COG Operating LLC | LeaDogie Draw; Delaware | ActiveOil | 13,368 | Aug 1, 2016 | 2,207 | 585 |
| Spruce Goose Federal Com #002HHZ30-015-43878 | COG Operating LLC | EddyLusk; Bone Spring, North | ActiveOil | 14,517 | Jul 29, 2016 | 3,769 | 4,678 |
| Iggles State Com #002CHZ30-025-43378 | COG Operating LLC | LeaVacuum; Bone Spring, West | CanceledOil | 17,071 | Jul 27, 2016 | 0 | 0 |
| Prickly Pear 6 Federal Com #001CHZ30-025-43337 | COG Operating LLC | LeaWC-025 G-08 S203506D; Bone Spring | CanceledOil | 15,715 | Jun 27, 2016 | 0 | 0 |
| Road Runner Federal Com #011HHZ30-015-43900 | COG Operating LLC | EddyCottonwood Draw; Bone Spring (O) | ActiveOil | 17,935 | Jun 21, 2016 | 14,315 | 223,790 |
| Duo Sonic 29 Federal #104HHZ30-025-43327 | COG Operating LLC | LeaDogie Draw; Delaware | CanceledOil | 13,412 | Jun 20, 2016 | 0 | 0 |
| Stealth Federal Com #004HHZ30-025-43338 | COG Operating LLC | LeaLusk; Bone Spring | ActiveOil | 14,335 | Jun 20, 2016 | 2,074 | 6,067 |
| Running Buffalo 1 Federal Com #002HHZ30-015-43831 | COG Operating LLC | EddyWC-015 G-05 S202935P; Bone Spring | PermittedOil | 13,876 | Jun 15, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #002HHZ30-025-43305 | COG Operating LLC | LeaWC-025 G-08 S253534O; Bone Spring | CanceledOil | 16,963 | Jun 14, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #501HHZ30-025-43300 | COG Operating LLC | LeaWC-025 G-08 S253534O; Bone Spring | CanceledOil | 15,404 | Jun 9, 2016 | 0 | 0 |
| Duo Sonic 29 Federal #502HHZ30-025-43301 | COG Operating LLC | LeaWC-025 G-08 S253534O; Bone Spring | CanceledOil | 15,435 | Jun 9, 2016 | 0 | 0 |
| Skull Cap Federal Com #022HHZ30-025-43299 | COG Operating LLC | LeaWC025 G09 S243532M; Wolfbone | ActiveOil | 20,175 | Jun 8, 2016 | 22,621 | 24,507 |
| Graham Nash Federal Com #007HHZ30-015-43811 | COG Operating LLC | EddyHay Hollow; Bone Spring | ActiveOil | 15,208 | Jun 1, 2016 | 21,280 | 97,519 |
| Sombrero Federal Com #004HHZ30-025-43286 | COG Operating LLC | LeaRed Hills; Bone Spring, North | ActiveOil | 16,640 | Jun 1, 2016 | 1,637 | 7,100 |
| Gatsby Federal Com #001HHZ30-025-43283 | COG Operating LLC | LeaAntelope Ridge; Bone Spring | PermittedOil | 18,821 | May 26, 2016 | 0 | 0 |
| Deerstalker Federal Com #001CHZ30-025-43279 | COG Operating LLC | LeaWC025 G09 S243532M; Wolfbone | CanceledOil | 19,786 | May 25, 2016 | 0 | 0 |
| Deerstalker Federal Com #003CHZ30-025-43280 | COG Operating LLC | LeaWC025 G09 S243532M; Wolfbone | CanceledOil | 17,238 | May 25, 2016 | 0 | 0 |
| Deerstalker Federal Com #004CHZ30-025-43281 | COG Operating LLC | LeaWC025 G09 S243532M; Wolfbone | CanceledOil | 17,294 | May 25, 2016 | 0 | 0 |
| Bobwhite 12 State Com #002HHZ30-025-43233 | COG Operating LLC | LeaBerry; Bone Spring, North | ActiveOil | 15,495 | May 13, 2016 | 9,361 | 6,131 |
| Big Papi Federal Com #012HHZ30-015-43779 | COG Operating LLC | EddyCorral Canyon; Bone Spring, South | ActiveOil | 18,529 | May 12, 2016 | 29,373 | 125,840 |
| Screwdriver 24 Federal Com #001HHZ30-015-43788 | COG Operating LLC | EddyLusk; Bone Spring, West | PermittedOil | 13,527 | May 5, 2016 | 0 | 0 |
| Jr's Horz Federal Com #016HHZ30-015-43789 | COG Operating LLC | EddyCorral Canyon; Bone Spring, South | PermittedOil | 13,229 | May 5, 2016 | 0 | 0 |
| Jr's Horz Federal Com #017HHZ30-015-43790 | COG Operating LLC | EddyCorral Canyon; Bone Spring, South | PermittedOil | 13,142 | May 5, 2016 | 0 | 0 |
| Raspberry State Com #001HHZ30-025-43179 | COG Operating LLC | LeaWC-025 G-06 S213326D; Bone Spring | ActiveOil | 21,061 | Apr 25, 2016 | 45,555 | 134,574 |
| Raspberry State Com #003CHZ30-025-43180 | COG Operating LLC | LeaWC-025 G-06 S213326D; Bone Spring | CanceledOil | 20,936 | Apr 25, 2016 | 0 | 0 |