| King Ranch Canelo #5042-273-32399 | Exxon Mobil Corporation | Kleberg, TXKr\boa (Vx. Brown) | PluggedGas | 13,850 | Aug 28, 2003 | — | — |
| Santa FE Ranch B #12542-047-32082 | Exxon Mobil Corporation | Brooks, TXTom East (13 800) | PluggedGas | 16,500 | Jun 16, 2003 | — | — |
| Dawson J. H. State #642-047-32068 | Exxon Mobil Corporation | Brooks, TXMariposa (I-25 East) | PluggedGas | 9,400 | Jun 11, 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 | — | — |
| State Marshall #51DF42-047-32058 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 8,700 | Apr 29, 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 | — | — |
| King Ranch Alazan #45342-273-32378 | Exxon Mobil Corporation | Kleberg, TXAlazan North (Deep Frio) | PluggedGas | 19,500 | Nov 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 | — | — |
| Sullivan D.J. State #842-047-32023 | Exxon Mobil Corporation | Brooks, TXHome Run (Vicksburg 10) | PluggedGas | 14,500 | Sep 30, 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. Los Muertos #4842-047-32011 | Exxon Mobil Corporation | Brooks, TXIllini (Lower Vicksburg) | PluggedGas | 13,000 | Jul 19, 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 | — | — |
| Pena Niceforo #12DF42-247-32246 | Exxon Mobil Corporation | Jim Hogg, TXKelsey (Frio Consol.) | PluggedGas | 8,500 | May 8, 2002 | — | — |
| Hitchland Gas Unit 6 #242-195-31566 | Exxon Mobil Corporation | Hansford, TXHitchland North (Morrow Up.) | PluggedGas | 7,500 | Apr 19, 2002 | — | — |
| Santa FE Ranch #11442-047-31991 | Exxon Mobil Corporation | Brooks, TXTom East (13 800) | PluggedGas | 16,500 | Apr 5, 2002 | — | — |
| Santa Fee Ranch #11242-047-31988 | Exxon Mobil Corporation | Brooks, TXTom East (13 800) | PluggedGas | 16,500 | Apr 2, 2002 | — | — |
| Katy GF Cons U #5504 D42-473-00327 | Exxon Mobil Corporation | Waller, TXKaty (II-a L) | PluggedGas | 7,625 | Mar 12, 2002 | — | — |
| Santa FE Ranch #11142-047-31980 | Exxon Mobil Corporation | Brooks, TXTom East (13 800) | PluggedGas | 16,500 | Feb 5, 2002 | — | — |
| King Ranch Borregos #25642-273-00458 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 8,000 | Jan 30, 2002 | — | — |
| King Ranch Borregos #m 65E42-273-32336 | Exxon Mobil Corporation | Kleberg, TXKrb\zuni-NC (Vxbg) | PluggedGas | 13,500 | Dec 12, 2001 | — | — |
| King Ranch Borregos #33742-273-00067 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 4,555 | Nov 9, 2001 | — | — |
| King Ranch East Laureles #b 20F42-273-31797 | Exxon Mobil Corporation | Kleberg, TXBina N. E. (H-19) | PluggedGas | 8,900 | Nov 9, 2001 | — | — |
| Exxon West Fee C A/C 1 #3542-201-06020 | Exxon Mobil Corporation | Harris, TXWildcat | PluggedGas | 6,500 | Sep 13, 2001 | — | — |
| McGill Bros. #49242-427-31716 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 7,900 | Sep 13, 2001 | — | — |
| King Ranch East Laureles #g 24 F42-355-30417 | Exxon Mobil Corporation | Nueces, TXLaguna Larga (K-1) | PluggedGas | 9,000 | Sep 7, 2001 | — | — |
| McGill Bros. #56342-047-31951 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 8,500 | Aug 27, 2001 | — | — |
| Juarez Enemoria #642-427-33404 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 8,000 | Aug 27, 2001 | — | — |
| King Ranch Borregos #15242-273-01339 | Exxon Mobil Corporation | Kleberg, TXZone 21-B Trend | PluggedGas | 6,845 | Aug 22, 2001 | — | — |
| Armstrong Charles M. #54-D42-261-30500 | Exxon Mobil Corporation | Kenedy, TXCandelaria (I-45) | PluggedGas | 10,500 | Aug 3, 2001 | — | — |
| East Mrs. S. K. #12342-261-30616 | Exxon Mobil Corporation | Kenedy, TXRita NE (I-24) | PluggedGas | 10,250 | Jul 12, 2001 | — | — |
| Exxon West Fee C A/C-1 #2142-201-06026 | Exxon Mobil Corporation | Harris, TXClear Lake (Miocene 4550) | PluggedGas | 5,914 | Jul 2, 2001 | — | — |
| Pembrook Ralph E #7HHZ42-461-34210 | Exxon Mobil Corporation | Upton, TXWildcat | PluggedGas | 12,500 | Jun 29, 2001 | — | — |
| King Ranch San Jose de la Parra #7-F42-261-30164 | Exxon Mobil Corporation | Kenedy, TXCalandria (Frio F-06) | PluggedGas | 9,215 | Jun 5, 2001 | — | — |
| King Ranch Borregos #m 53E42-273-32139 | Exxon Mobil Corporation | Kleberg, TXBorregos (Zone K-08) | PluggedGas | 11,750 | Jun 5, 2001 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #10842-489-30967 | Exxon Mobil Corporation | Willacy, TXTordilla (J-55) | PluggedGas | 12,660 | Jun 5, 2001 | — | — |
| King Ranch Tijerina #a 7142-273-31482 | Exxon Mobil Corporation | Kleberg, TXT-C-B (Vxbg Consolidated) | PluggedGas | 10,200 | May 30, 2001 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #9742-489-30957 | Exxon Mobil Corporation | Willacy, TXTordilla-NC (I-75) | PluggedGas | 11,000 | May 22, 2001 | — | — |