| Paradise 5 Federal #001C30-015-34389 | Chi Operating Inc | EddyBurton Flat; Morrow (Pro Gas) | CanceledGas | 11,450 | Oct 13, 2005 | 0 | 0 |
| Benson Delaware Unit #00930-015-34293 | Chi Operating Inc | EddyBenson; Delaware(o) | ActiveOil | 5,233 | Aug 18, 2005 | 6,082 | 3,925 |
| Bermuda #00130-015-34268 | Chi Operating Inc | EddyFour Mile Draw; Morrow, West (Gas) | PluggedGas | 9,180 | Aug 3, 2005 | 0 | 0 |
| Freeway Federal #002E30-015-34166 | Chi Operating Inc | EddyHG; Morrow (Gas) | CanceledGas | 12,100 | Jun 13, 2005 | 0 | 0 |
| Kodiak #00130-015-33961 | Chi Operating Inc | EddyCarlsbad; Morrow, South (Gas) | PluggedGas | 11,840 | Feb 21, 2005 | 0 | 0 |
| Otis 33 #00330-015-33943 | Chi Operating Inc | EddyWye; Delaware | PluggedGas | 12,115 | Feb 9, 2005 | 0 | 0 |
| Crow Flats 9 State Com #00130-015-33909 | Chi Operating Inc | EddyDiamond Mound; Morrow (Gas) | PluggedGas | 9,660 | Feb 1, 2005 | 0 | 0 |
| Benson Delaware Unit #00730-015-33933 | Chi Operating Inc | EddyBenson; Delaware(o) | PluggedOil | 5,366 | Jan 28, 2005 | 0 | 0 |
| Allen #00330-015-33788 | Chi Operating Inc | EddyWye; Delaware | PluggedOil | 5,393 | Jan 3, 2005 | 0 | 0 |
| Valle Feliz #00230-015-33781 | Chi Operating Inc | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,470 | Dec 29, 2004 | 0 | 0 |
| Footjoy 14 State #00130-015-33721 | Chi Operating Inc | EddyAngel Ranch; Atoka-Morrow (Gas) | PluggedGas | 9 | Nov 17, 2004 | 0 | 0 |
| Benson Delaware Unit #00530-015-33725 | Chi Operating Inc | EddyBenson; Delaware(o) | ActiveOil | 5,400 | Sep 27, 2004 | 26,958 | 3,812 |
| Freeway Federal #00130-015-33790 | Chi Operating Inc | EddyHG; Morrow (Gas) | PluggedGas | 12,022 | Sep 27, 2004 | 0 | 0 |
| Benson Delaware Unit #00630-015-33881 | Chi Operating Inc | EddyBenson; Delaware(o) | ActiveOil | 5,400 | Sep 20, 2004 | 27,718 | 4,143 |
| Valle Feliz #00130-015-21980 | Chi Operating Inc | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,453 | Aug 27, 2004 | 0 | 0 |
| Federal Com #00230-015-33782 | Chi Operating Inc | EddyBurton Flat; Morrow (Pro Gas) | PluggedGas | 11,400 | Jul 28, 2004 | 0 | 0 |
| Munoz #00130-015-33518 | Chi Operating Inc | EddyLoving; Morrow, North (Gas) | PluggedGas | 12,540 | Jul 20, 2004 | 0 | 0 |
| Peacekeeper State #00130-015-33493 | Chi Operating Inc | EddyParkway; Strawn | ActiveGas | 12,606 | Jul 8, 2004 | 455 | 152,436 |
| Midwest Federal Com #00230-015-33880 | Chi Operating Inc | EddyCarlsbad; Morrow, South (Gas) | CanceledGas | 12,000 | Apr 7, 2004 | 0 | 0 |
| USA 9 Federal #00530-015-33302 | Chi Operating Inc | Eddy | CanceledOil | 6,800 | Mar 8, 2004 | 0 | 0 |
| USA 9 Federal #00430-015-33303 | Chi Operating Inc | EddyOld Millman Ranch; BS (Assoc) | CanceledOil | 6,800 | Mar 8, 2004 | 0 | 0 |
| WC 3 #00330-015-33258 | Chi Operating Inc | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,540 | Mar 1, 2004 | 0 | 0 |
| USA 9 Federal #00330-015-33268 | Chi Operating Inc | EddyOld Millman Ranch; BS (Assoc) | PluggedOil | 6,602 | Mar 1, 2004 | 0 | 0 |
| Arco Federal #00330-015-33162 | Chi Operating Inc | EddyWinchester; Morrow (Gas) | PermittedGas | 11,400 | Jan 1, 2004 | 0 | 0 |
| Benson Delaware Unit #00430-015-33380 | Chi Operating Inc | EddyBenson; Delaware(o) | ActiveOil | 5,526 | Dec 11, 2003 | 11,097 | 0 |
| Running Shoe State #00130-015-33052 | Chi Operating Inc | EddyMillman; Morrow, South (Gas) | ActiveGas | 11,073 | Oct 17, 2003 | 1 | 37,297 |
| Beavertail State Com #00130-015-32856 | Chi Operating Inc | EddyCrow Flats; Morrow SE (G) | PluggedGas | 10,350 | Jul 2, 2003 | 0 | 0 |
| Raven State #00130-025-36263 | Chi Operating Inc | LeaMaljamar; Grayburg, South | PluggedGas | 12,915 | Apr 28, 2003 | 0 | 0 |
| KC Strip State #00130-015-32538 | Chi Operating Inc | EddyShugart; Morrow (Gas) | ActiveGas | 12,191 | Nov 26, 2002 | 3 | 358 |
| Collatt #00230-015-32480 | Chi Operating Inc | EddyCarlsbad; Morrow, South (Gas) | PluggedGas | 11,970 | Oct 21, 2002 | 0 | 0 |
| Chi 16 State #002Z30-015-32464 | Chi Operating Inc | EddyGolden Lane; Delaware, South | ActiveOil | 4,600 | Oct 4, 2002 | 1,963 | 0 |
| McIver Federal Com #00230-015-00134 | Chi Operating Inc | EddyMcIver Ranch; Morrow (Gas) | PluggedGas | 9,999 | Jul 15, 2002 | 0 | 0 |
| Point Judith State Com #00130-015-32235 | Chi Operating Inc | EddyCrow Flats; Morrow SE (G) | PluggedGas | 10,205 | Mar 18, 2002 | 0 | 0 |
| Benson Delaware Unit #03030-015-32210 | Chi Operating Inc | EddyBenson; Delaware(o) | ActiveInjection | 5,500 | Feb 11, 2002 | 0 | 0 |
| McIver Federal #00130-015-32147 | Chi Operating Inc | Eddy | CanceledGas | 11,200 | Dec 26, 2001 | 0 | 0 |
| Nugget Federal Com #00130-015-32132 | Chi Operating Inc | Eddy | CanceledGas | 11,500 | Dec 11, 2001 | 0 | 0 |
| Shugart West 24 B Federal #00530-015-32130 | Chi Operating Inc | EddyShugart; Bone Spring, North | PluggedOil | 8,383 | Dec 4, 2001 | 0 | 0 |
| Big Red Federal Com #00130-015-32113 | Chi Operating Inc | EddyHackberry; Morrow, North (G) | PluggedGas | 12,245 | Nov 21, 2001 | 0 | 0 |
| Paloma Federal Com #00130-015-32090 | Chi Operating Inc | EddyCarlsbad; Morrow, South (Gas) | PluggedGas | 11,630 | Nov 1, 2001 | 0 | 0 |
| Munchkin Federal #00530-015-32025 | Chi Operating Inc | Eddy | CanceledOil | 6,700 | Sep 26, 2001 | 0 | 0 |
| Chi 16 State #002Y30-015-31957 | Chi Operating Inc | Eddy | CanceledOil | 4,600 | Aug 14, 2001 | 0 | 0 |
| Spruce Federal #00130-015-31902 | Chi Operating Inc | Eddy | CanceledGas | 11,000 | Jul 18, 2001 | 0 | 0 |
| Wizard Federal Com #00230-015-31875 | Chi Operating Inc | EddyHackberry; Morrow, North (G) | ActiveGas | 12,300 | Jun 29, 2001 | 504 | 0 |
| Chi 16 State #00230-015-31842 | Chi Operating Inc | EddyGolden Lane; Delaware, South | PluggedOil | 374 | Jun 21, 2001 | 0 | 0 |
| WC 3 #00230-015-31772 | Chi Operating Inc | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,476 | May 14, 2001 | 0 | 0 |
| WC 4 #001C30-015-31773 | Chi Operating Inc | Eddy | CanceledGas | 11,900 | May 14, 2001 | 0 | 0 |
| Munchkin Federal #00330-015-31796 | Chi Operating Inc | EddyBenson; Bone Spring | PluggedOil | 6,603 | May 9, 2001 | 0 | 0 |
| Benson Delaware Unit #00230-015-31778 | Chi Operating Inc | EddyBenson; Delaware(o) | ActiveInjection | 5,350 | May 7, 2001 | 0 | 0 |
| Munchkin Federal #00430-015-31779 | Chi Operating Inc | Eddy | CanceledOil | 6,700 | May 4, 2001 | 0 | 0 |
| Wizard Federal Com #00130-015-31715 | Chi Operating Inc | EddyBenson; Bone Spring | PluggedGas | 12,260 | Apr 16, 2001 | 0 | 0 |