| Kelsey Unit #s 29 M42-047-00938 | Exxon Mobil Corporation | Brooks, TXKelsey Deep (5600) | PluggedGas | 6,750 | Sep 30, 2019 | — | — |
| Artie Robinson Darnell #142-499-01745 | Exxon Mobil Corporation | Wood, TXHawkins (Paluxy South) | PluggedOil | 8,150 | Oct 14, 2010 | — | — |
| King Ranch Morgan #m 4342-249-30256 | Exxon Mobil Corporation | Jim Wells, TXElpar (F-47) | PluggedOil | 6,000 | Aug 20, 2010 | — | — |
| Viboras Field Gas Unit No. 1 #11ZS42-047-30967 | Exxon Mobil Corporation | Brooks, TXViboras ( 03-C Viii) | PluggedGas | 12,100 | Feb 5, 2009 | — | — |
| Keystone Mills #4242-339-30662 | Exxon Mobil Corporation | Montgomery, TXConroe S. (Wilcox 15) | PluggedGas | 12,750 | Jun 10, 2008 | — | — |
| Keystone Mills #4842-339-31013 | Exxon Mobil Corporation | Montgomery, TXWildcat | PluggedGas | 16,500 | Jun 10, 2008 | — | — |
| Moore S.H. Estate #1242-499-01725 | Exxon Mobil Corporation | Wood, TXWildcat | PluggedGas | 8,400 | Jun 7, 2008 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #93D42-489-30948 | Exxon Mobil Corporation | Willacy, TXStillman (Shallow) | PluggedGas | 10,100 | Jun 2, 2008 | — | — |
| Santa FE Ranch Mula Pasture #5142-261-31332 | Exxon Mobil Corporation | Kenedy, TXStillman (J-00 K-78) | PluggedGas | 12,500 | Apr 25, 2008 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #10742-489-30971 | Exxon Mobil Corporation | Willacy, TXTordilla (I-95) | PluggedGas | 13,500 | Apr 25, 2008 | — | — |
| Kleberg R. J. Jr. Tr.-Stillman #13342-489-31003 | Exxon Mobil Corporation | Willacy, TXTordilla-NC (K-88 E) | PluggedGas | 11,600 | Apr 25, 2008 | — | — |
| Kelsey Unit #M413D42-047-01672 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 6,375 | Feb 5, 2008 | — | — |
| McGill Bros. #47242-427-31499 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 7,800 | Nov 9, 2007 | — | — |
| King Ranch Laguna Larga #6042-273-32215 | Exxon Mobil Corporation | Kleberg, TXFlowella (Vicksburg 3) | PluggedGas | 12,000 | Oct 26, 2007 | — | — |
| King Ranch Laguna Larga #3542-273-31646 | Exxon Mobil Corporation | Kleberg, TXFlowella (Vicksburg 4) | PluggedGas | 9,600 | Jun 18, 2007 | — | — |
| Kleberg R J Jr TR Stillman #9142-261-31173 | Exxon Mobil Corporation | Kenedy, TXStillman (Shallow) | PluggedGas | 13,100 | May 7, 2007 | — | — |
| Kleberg R J Jr TR Barrosa Pastu #1542-047-30672 | Exxon Mobil Corporation | Brooks, TXPita N.W. (F-54) | PluggedGas | 8,200 | Dec 15, 2006 | — | — |
| King Ranch Laguna Larga #2842-273-31572 | Exxon Mobil Corporation | Kleberg, TXT-C-B (Vxbg Consolidated) | PluggedGas | 10,170 | Aug 28, 2006 | — | — |
| McGill Bros. #559 D42-047-31910 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 7,500 | Jun 26, 2006 | — | — |
| King Ranch Borregos #64042-273-32347 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 11,700 | Oct 6, 2005 | — | — |
| R J Kleberg Jr TR Stillman #14542-261-31387 | Exxon Mobil Corporation | Kenedy, TXTordilla-NC (L-90E) | PluggedGas | 17,670 | Aug 8, 2005 | — | — |
| R J Kleberg Jr TR Quiteria Past #88F42-047-30657 | Exxon Mobil Corporation | Brooks, TXViboras ( G-34) | PluggedOil | 9,000 | Jun 16, 2005 | — | — |
| Kleberg RJ Jrtr Viboras Pasture #13542-047-31522 | Exxon Mobil Corporation | Brooks, TXViboras (F-80) | PluggedGas | 8,700 | May 25, 2005 | — | — |
| Hawkins Field Unit #417242-499-01950 | Exxon Mobil Corporation | Wood, TXHawkins (Woodbine) | PluggedGas | 5,000 | Oct 5, 2004 | — | — |
| McGill Bros. #375DF42-047-01596 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 6,380 | Aug 17, 2004 | — | — |
| King Ranch West Borregos #m 43 C42-249-30242 | Exxon Mobil Corporation | Jim Wells, TXElpar (F-47) | PluggedGas | 5,540 | Jun 10, 2004 | — | — |
| Kleberg R J Jr TR Stillman Pas #5042-489-30859 | Exxon Mobil Corporation | Willacy, TXTordilla (L-27) | PluggedGas | 15,300 | May 13, 2004 | — | — |
| Edgmon-Cameron Unit No. 2 #12HHZ42-287-32523 | Exxon Mobil Corporation | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 8,350 | Mar 1, 2004 | — | — |
| King Ranch East Laureles #b 1642-273-31686 | Exxon Mobil Corporation | Kleberg, TXBina N.E. (H-22) | PluggedGas | 9,850 | Dec 11, 2003 | — | — |
| East Mrs. S. K. B #6042-261-31256 | Exxon Mobil Corporation | Kenedy, TXSarita East (Frio) | PluggedGas | 15,200 | Nov 19, 2003 | — | — |
| King Ranch Tijerina #J10542-273-01644 | Exxon Mobil Corporation | Kleberg, TXT.-C.-B. (Upper Frio Cons.) | PluggedGas | 6,900 | Nov 17, 2003 | — | — |
| King Ranch East Laureles #g 5742-355-33021 | Exxon Mobil Corporation | Nueces, TXLaguna Larga (K-1) | PluggedGas | 9,200 | Sep 18, 2003 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #95 D42-489-30952 | Exxon Mobil Corporation | Willacy, TXTordilla (I-67 S) | PluggedGas | 10,000 | May 2, 2003 | — | — |
| King Ranch San Jose de la Parra #20D42-261-30438 | Exxon Mobil Corporation | Kenedy, TXCalandria (G-28 W) | PluggedGas | 8,900 | Apr 28, 2003 | — | — |
| Vanderburg E. D. #142-195-00042 | Exxon Mobil Corporation | Hansford, TXHansford (Council Grove) | PluggedGas | 9,500 | Mar 14, 2003 | — | — |
| King Ranch Canelo #4742-273-32383 | Exxon Mobil Corporation | Kleberg, TXCanelo (I-07) | PluggedGas | 10,000 | Feb 24, 2003 | — | — |
| Madeley AA & da #113P42-339-31041 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 2,800 | Feb 14, 2003 | — | — |
| Dobbins C. L. #105P42-339-31033 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 3,800 | Jan 9, 2003 | — | — |
| Madeley AA & da #10742-339-31029 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 2,200 | Jan 3, 2003 | — | — |
| Moorhead E B #142-339-00592 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 3,887 | Dec 27, 2002 | — | — |
| Viboras Field Gas Unit #1 #v 2342-047-01274 | Exxon Mobil Corporation | Brooks, TXViboras (Frio Cons.) | PluggedGas | 8,800 | Nov 1, 2002 | — | — |
| South Texas Development Co. 1 #107P42-339-31023 | Exxon Mobil Corporation | Montgomery, TXWildcat | PluggedGas | 4,000 | Oct 29, 2002 | — | — |
| Leake T. L. #642-159-00432 | Exxon Mobil Corporation | Franklin, TXTalco | PluggedOil | 4,400 | Sep 27, 2002 | — | — |
| Pfaefflin W. T. #742-339-30057 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 5,600 | Sep 26, 2002 | — | — |
| Kgfcu (I-a) #750242-473-00130 | Exxon Mobil Corporation | Waller, TXKaty (Combined) | PluggedGas | 6,600 | Sep 11, 2002 | — | — |
| East Alice K. Mrs. State #7 F42-427-30845 | Exxon Mobil Corporation | Starr, TXWildcat | PluggedGas | 4,465 | Sep 9, 2002 | — | — |
| King Ranch Borregos #m 67E42-273-32363 | Exxon Mobil Corporation | Kleberg, TXKrb\zuni-NC (Vxbg) | PluggedGas | 13,500 | Aug 21, 2002 | — | — |
| Collier HJ -E- #242-195-00200 | Exxon Mobil Corporation | Hansford, TXHitchland (4640) | PluggedOil | 4,656 | Aug 12, 2002 | — | — |
| Kleberg R. J. Jr Tr. Stillman #11142-489-30984 | Exxon Mobil Corporation | Willacy, TXTordilla-NC (K-45 E) | PluggedGas | 12,300 | Jun 17, 2002 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #4542-261-30792 | Exxon Mobil Corporation | Kenedy, TXTordilla (H-70) | PluggedGas | 10,450 | Jun 6, 2002 | — | — |