| Jenkins B Federal #01830-015-34474 | COG Operating LLC | EddyLoco Hills; Glorieta-Yeso | PluggedOil | 6,401 | Dec 13, 2005 | 0 | 0 |
| Bonanza Federal #00130-025-37590 | COG Operating LLC | LeaLusk; Bone Spring, North | ActiveGas | 12,960 | Dec 8, 2005 | 1,816 | 5,042 |
| Mosley Canyon 6 State #00130-015-34451 | COG Operating LLC | EddyBaldridge Canyon; Morrow (Gas) | PluggedGas | 11,040 | Dec 5, 2005 | 0 | 0 |
| Usp Fee #002HZ30-015-34438 | COG Operating LLC | EddyHarroun Ranch; Delaware, NE | ActiveGas | 12,370 | Nov 28, 2005 | 0 | 0 |
| Crown Royal Fed Com #00130-015-34768 | COG Operating LLC | EddyDublin Ranch; Morrow (Gas) | PermittedGas | 13,200 | Nov 17, 2005 | 0 | 0 |
| Mule 24 Federal #00130-015-34401 | COG Operating LLC | EddyCarlsbad; Morrow, South (Gas) | ActiveGas | 12,600 | Oct 19, 2005 | 0 | 2,371 |
| Mule 13 Federal #00130-015-34403 | COG Operating LLC | EddyCarlsbad; Morrow, South (Gas) | ActiveGas | 12,220 | Oct 19, 2005 | 0 | 691 |
| Congo Federal Com #00130-015-34386 | COG Operating LLC | EddyMalaga; Morrow, West (Gas) | ActiveGas | 13,055 | Oct 11, 2005 | 0 | 127 |
| Red Raider State #00230-025-37491 | COG Operating LLC | LeaFeatherstone; Bone Spring, East | PluggedOil | 10,202 | Oct 7, 2005 | 0 | 0 |
| SDL 31 Federal #00130-025-37465 | COG Operating LLC | Lea | PermittedOil | 10,000 | Sep 27, 2005 | 0 | 0 |
| Preparation H Fee #00130-015-34354 | COG Operating LLC | EddyFour Mile Draw; Morrow (Gas) | PluggedGas | 10,020 | Sep 26, 2005 | 0 | 0 |
| M D Self #01030-025-37464 | COG Operating LLC | Lea | CanceledOil | 3,400 | Sep 21, 2005 | 0 | 0 |
| M D Self #00930-025-37467 | COG Operating LLC | Lea | CanceledOil | 3,400 | Sep 21, 2005 | 0 | 0 |
| Mustang State #00230-025-37436 | COG Operating LLC | LeaVacuum; Grayburg-San Andres | PluggedOil | 8,875 | Sep 2, 2005 | 0 | 0 |
| LPC 31 Federal #00130-025-37440 | COG Operating LLC | LeaLusk; Bone Spring, North | PluggedOil | 9,980 | Sep 2, 2005 | 0 | 0 |
| Zebu State #00130-015-34285 | COG Operating LLC | EddyWC-015 G-01 S212402M; Yeso | PluggedOil | 10,250 | Aug 26, 2005 | 0 | 0 |
| Blue Quail State #001C30-015-34279 | COG Operating LLC | EddyWC; San Andres DO Not Use | CanceledOil | 4,000 | Aug 25, 2005 | 0 | 0 |
| George Federal Com #00130-025-37415 | COG Operating LLC | LeaGreenwood; Morrow, Southeast (Gas) | ActiveGas | 13,010 | Aug 11, 2005 | 0 | 494 |
| Mosley Canyon 32 State #00130-015-34250 | COG Operating LLC | EddyBaldridge Canyon; Morrow (Gas) | Dry holeGas | 11,100 | Jul 29, 2005 | 0 | 0 |
| Cta State Com #00130-015-34175 | COG Operating LLC | EddyBenson; Strawn (Gas) | PluggedGas | 12,000 | Jul 3, 2005 | 0 | 0 |
| Petrus D #00930-025-37312 | COG Operating LLC | LeaSanmal; Queen | PluggedOil | 4,792 | Jun 28, 2005 | 0 | 0 |
| TBM Federal Com #00130-025-37343 | COG Operating LLC | LeaLusk; Morrow, Northwest (Gas) | PluggedOil | 12,940 | Jun 27, 2005 | 0 | 0 |
| Minis 1 Federal #00630-025-37289 | COG Operating LLC | Lea | CanceledOil | 6,800 | Jun 10, 2005 | 0 | 0 |
| Minis 1 Federal #00730-025-37288 | COG Operating LLC | Lea | CanceledOil | 6,800 | Jun 6, 2005 | 0 | 0 |
| Minis 1 Federal #00530-025-37290 | COG Operating LLC | Lea | CanceledOil | 6,800 | Jun 6, 2005 | 0 | 0 |
| Jenkins B Federal #017R30-015-34138 | COG Operating LLC | EddyLoco Hills; Glorieta-Yeso | PluggedOil | 4,735 | May 26, 2005 | 0 | 0 |
| Lusk 8 Federal #00130-025-37256 | COG Operating LLC | Lea | PermittedOil | 9,500 | May 17, 2005 | 0 | 0 |
| Bandit 15 Federal Com #00130-025-37230 | COG Operating LLC | LeaTeas; Penn (Gas) | ActiveGas | 14,000 | May 12, 2005 | 142 | 2,739 |
| Bandit 15 Federal Com #00230-025-37231 | COG Operating LLC | LeaTeas; Bone Spring | PluggedGas | 14,000 | May 12, 2005 | 0 | 0 |
| Prohibition 12 Federal #00830-025-37227 | COG Operating LLC | LeaBootleg Ridge; Delaware, Northwest | PluggedOil | 8,998 | May 11, 2005 | 0 | 0 |
| Prohibition 12 Federal #00730-025-37228 | COG Operating LLC | LeaBootleg Ridge; Delaware, Northwest | PluggedOil | 8,960 | May 11, 2005 | 0 | 0 |
| Prohibition 12 Federal #00930-025-37229 | COG Operating LLC | Lea | CanceledOil | 8,900 | May 11, 2005 | 0 | 0 |
| Stratocaster 20 Federal #001HHZ30-025-37295 | COG Operating LLC | LeaAntelope Ridge; Bone Spring, West | ActiveGas | 13,901 | May 5, 2005 | 7,497 | 23,146 |
| Valhalla 4 Federal Com #00130-025-37210 | COG Operating LLC | LeaLusk; Bone Spring, North | ActiveOil | 13,096 | Apr 25, 2005 | 1,089 | 7,433 |
| Gold Rush 29 Federal #00230-015-34081 | COG Operating LLC | EddyNash Draw; Delaware/BS (Avalon Sand) | PluggedOil | 7,300 | Apr 19, 2005 | 0 | 0 |
| Salada Vista State #00130-015-34067 | COG Operating LLC | EddyGatuna Canyon; Bone Spring | ActiveGas | 12,510 | Apr 18, 2005 | 185 | 997 |
| Blue Thunder 4 Federal #00130-015-34125 | COG Operating LLC | EddyLusk; Morrow, West (Gas) | PluggedGas | 13,300 | Apr 12, 2005 | 0 | 0 |
| Bilbrey 34 Federal #00230-025-37363 | COG Operating LLC | Lea | CanceledGas | 15,000 | Apr 12, 2005 | 0 | 0 |
| State W E L Com #00230-025-37165 | COG Operating LLC | LeaDry & Abandoned | PluggedGas | 12,143 | Apr 6, 2005 | 0 | 0 |
| Bassett Birney #00230-025-37167 | COG Operating LLC | Lea | CanceledOil | 5,000 | Mar 28, 2005 | 0 | 0 |
| MM Squirrel Fee #00130-015-34019 | COG Operating LLC | EddyEsperanza; Delaware | PluggedOil | 5,390 | Mar 22, 2005 | 0 | 0 |
| Tenneco 25 State #00230-025-37135 | COG Operating LLC | LeaCuerno Largo; Upper Pennsylvanian | PluggedOil | 9,662 | Mar 14, 2005 | 0 | 0 |
| KF 4 State Com #00130-025-37129 | COG Operating LLC | LeaOsudo; Morrow, South (Gas) | PluggedGas | 12,325 | Mar 11, 2005 | 0 | 115 |
| High Brass Fee #00130-015-33952 | COG Operating LLC | EddyMalaga; Morrow, West (Gas) | ActiveGas | 12,800 | Feb 17, 2005 | 0 | 155 |
| Hanson 33 Federal #00430-015-33951 | COG Operating LLC | EddyCalabaza Draw; Atoka (Gas) | PluggedGas | 11,050 | Feb 11, 2005 | 0 | 0 |
| Bar W Fee #00330-015-33920 | COG Operating LLC | EddyEsperanza; Delaware | PluggedOil | 5,358 | Feb 3, 2005 | 0 | 0 |
| Double Trouble SWD #00130-015-33931 | COG Operating LLC | EddySprings; Upper Penn (Gas) | PluggedSalt water disposal | 9,415 | Feb 1, 2005 | 0 | 0 |
| Jade Viper 33 Federal Com #001Y30-025-37085 | COG Operating LLC | LeaGem; Delaware | PluggedOil | 13,750 | Jan 29, 2005 | 0 | 0 |
| Ekg Fee #00130-015-33907 | COG Operating LLC | EddyWC Salt Draw; Upper Penn (G) | ActiveGas | 12,445 | Jan 28, 2005 | 6 | 13,107 |
| Sagebrush Federal Com #00130-015-33910 | COG Operating LLC | EddyRed Lake; Upper Penn, East | PluggedGas | 10,340 | Jan 19, 2005 | 0 | 0 |