KEYSTONE (COLBY)
Field #49129132 · District 10 · --
Leases
135
Operators
140
Cum Oil
5.7M BBL
Cum Gas
2.2M MCF
Cum Cond
3k BBL
Production
1993-01 — 2026-07
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
RRC production reported through Apr 2026 · recent months incomplete
Type Curve (normalized avg across leases)
Click Load to compute type curve from lease data
Top Operators
| OPERATOR | LEASES | OIL (BBL) | LAST |
|---|---|---|---|
| XTO ENERGY INC. | 34 | 1.4M | 2026-04 |
| SOUTHWEST ROYALTIES, INC. | 11 | 116k | 2019-08 |
| WHITING OIL AND GAS CORPORATION | 10 | 513k | 2026-04 |
| BASS ENTERPRISES PRODUCTION CO. | 7 | 2k | 1996-04 |
| STOUT ENERGY INC. | 6 | 390k | 2026-04 |
| SADDLEBACK EXPLORATION, LLC | 5 | 1.2M | 2026-04 |
| MINERAL TECHNOLOGIES, INC. | 4 | 57k | 2024-02 |
| WALSH & WATTS, INC. | 4 | 236k | 2026-04 |
| BOPCO, L.P. | 4 | 17k | 2009-01 |
| REATA RESOURCES | 4 | 125k | 2023-02 |
Lease Types
Leases (100)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | WALTON, J. B. A/C 2 | SADDLEBACK EXPLORATION, LLC | 771k | 747k | 1993-01 | 2026-04 |
| Oil | GULF-JENKINS | XTO ENERGY INC. | 306k | 225k | 1993-01 | 2026-04 |
| Oil | BAIRD, W. E. | STRONGHOLD ENERGY II OPER, LLC | 270k | 1.2M | 1993-01 | 2026-04 |
| Oil | STATE-WALTON A/C 2 | SADDLEBACK EXPLORATION, LLC | 258k | 629k | 1993-01 | 2026-04 |
| Oil | UNDERWOOD | OAK PRAIRIE OPERATIONS, LLC | 226k | 403k | 1993-01 | 2026-03 |
| Oil | BASHARA, M.J. | XTO ENERGY INC. | 174k | 386k | 1993-01 | 2024-12 |
| Oil | KEYSTONE CATTLE COMPANY | WOOD, MCSHANE & THAMS | 165k | 248k | 1993-01 | 2024-11 |
| Oil | MCCUTCHEN, W. A. | WHITING OIL AND GAS CORPORATION | 150k | 66k | 1993-01 | 2020-08 |
| Oil | BASHARA -A- | STOUT ENERGY INC. | 146k | 223k | 1993-01 | 2026-04 |
| Oil | WALTON, JOHN B., -D- | WHITING OIL AND GAS CORPORATION | 145k | 173k | 1993-01 | 2026-04 |
| Oil | JENKINS BEN ET AL -A- | XTO ENERGY INC. | 133k | 125k | 1993-01 | 2026-04 |
| Oil | JENKINS, BEN ETAL -B- | XTO ENERGY INC. | 127k | 165k | 1993-01 | 2026-04 |
| Oil | BASHARA, M. J. -D- | XTO ENERGY INC. | 125k | 114k | 1993-01 | 2026-04 |
| Oil | SUN JENKINS -A- | WALSH & WATTS, INC. | 120k | 179k | 1993-01 | 2026-04 |
| Oil | CAMPBELL -D- | REATA RESOURCES | 111k | 51k | 1993-01 | 2023-02 |
| Oil | CAMPBELL, SETH | TEXACO E & P INC. | 108k | 153k | 1993-01 | 2016-01 |
| Oil | WALTON, J. B., TRACT -B- | MAS OPERATING CO. | 99k | 148k | 1993-01 | 2026-04 |
| Oil | WADDELL | VISTA RESOURCES, INC. (A) | 96k | 94k | 1993-01 | 2020-05 |
| Oil | BASHARA, M. J. -B- | XTO ENERGY INC. | 84k | 54k | 1993-01 | 2021-07 |
| Oil | BASHARA -D- | STOUT ENERGY INC. | 84k | 9k | 1993-01 | 2026-04 |
| Oil | BASHARA, J. M. | SADDLEBACK EXPLORATION, LLC | 78k | 53k | 1993-01 | 2026-04 |
| Oil | WALTON, J. B. TRACT -A- | MAS OPERATING CO. | 77k | 186k | 1993-01 | 2026-04 |
| Oil | SUN-WALTON | TORCH ENERGY SERVICES, INC. | 76k | 149k | 1993-01 | 2026-04 |
| Oil | PURE-WALTON | XTO ENERGY INC. | 76k | 134k | 1993-01 | 2026-04 |
| Oil | SCARBOROUGH,W.F."B"SEC.18 | TEAM OPERATING, L.L.C. | 76k | 67k | 1993-01 | 2026-04 |
| Oil | WARD, J. C. | PRODUCTION SERVICE CO. | 74k | 43k | 1993-01 | 2026-04 |
| Oil | SUN JENKINS -B- | WHITING OIL AND GAS CORPORATION | 69k | 50k | 1993-01 | 2026-04 |
| Oil | CONTINENTAL-JENKINS | WALSH & WATTS, INC. | 66k | 36 | 1993-01 | 2023-03 |
| Oil | TIDAL -A- /SEC. 1/ | TEAM OPERATING, L.L.C. | 65k | 24k | 1993-01 | 2026-04 |
| Oil | PERKINS, J. J. -B- UPPER | SADDLEBACK EXPLORATION, LLC | 65k | 134k | 1993-01 | 2019-08 |
| Oil | WALTON, J. B. | XTO ENERGY INC. | 59k | 279k | 1993-01 | 2021-12 |
| Oil | JENKINS, B. F. | XTO ENERGY INC. | 58k | 121k | 1993-01 | 2023-07 |
| Oil | BASHARA -E- | STOUT ENERGY INC. | 56k | 6k | 1993-01 | 2026-04 |
| Oil | BASHARA -B- | STOUT ENERGY INC. | 55k | 7k | 1993-01 | 2026-04 |
| Oil | SETH CAMPBELL | TEXACO E & P INC. | 53k | 135k | 1993-01 | 2015-06 |
| Oil | CAMPBELL, SETH -D- | SOUTHWEST ROYALTIES, INC. | 49k | 48k | 1993-01 | 2019-08 |
| Oil | WALTON, J. B., -F- | XTO ENERGY INC. | 43k | 308k | 1993-01 | 2025-03 |
| Oil | PERKINS, J. J. -A- | M-T PETROLEUM, INC. | 42k | 49 | 1993-01 | 2021-02 |
| Oil | BASHARA -C- | STOUT ENERGY INC. | 41k | 9k | 1993-01 | 2026-04 |
| Oil | LOVETT, H. E. | STRONGHOLD ENERGY II OPER, LLC | 36k | 367k | 1993-01 | 2017-11 |
| Oil | MONTEX-WALTON -E- | XTO ENERGY INC. | 35k | 28k | 1993-01 | 2026-04 |
| Oil | SUN JENKINS -C- | WHITING OIL AND GAS CORPORATION | 34k | 31k | 1993-01 | 2025-12 |
| Oil | PPOOL, C. H. | NEOSTAR ENERGY CO. | 33k | 29k | 1993-01 | 2021-02 |
| Oil | KEYSTONE-JENKINS | WALSH & WATTS, INC. | 33k | 7k | 1993-01 | 2024-09 |
| Oil | ZACHARY, W. G. | SOUTHWEST ROYALTIES, INC. | 30k | 17k | 1993-01 | 2019-06 |
| Oil | LOVETT, H. E. -C- | WHITING OIL AND GAS CORPORATION | 28k | 9k | 1993-01 | 2022-06 |
| Oil | MCCUTCHEN | WILLIAMS OIL COMPANY | 26k | 439k | 1993-01 | 2026-04 |
| Oil | KEYSTONE CATTLE CO. | XTO ENERGY INC. | 24k | 776k | 1993-01 | 2000-09 |
| Oil | MCCUTCHEN, W. A. -KO- | WHITING OIL AND GAS CORPORATION | 24k | 33k | 1993-01 | 2012-09 |
| Oil | KEYSTONE -16- | MINERAL TECHNOLOGIES, INC. | 24k | 11k | 1993-01 | 2024-02 |
| Oil | JENKINS, BEN, ETAL | XTO ENERGY INC. | 24k | 20k | 1993-01 | 2025-12 |
| Oil | CAMPBELL, SETH -B- | IRON ORCHARD OPERATING LLC | 22k | 580 | 1993-01 | 2024-08 |
| Oil | CRUM, M. E. | XTO ENERGY INC. | 22k | 10k | 1993-01 | 2025-03 |
| Oil | LOVETT, H. E. -A- | WHITING OIL AND GAS CORPORATION | 21k | 69k | 1993-01 | 2020-09 |
| Oil | CRUM -B- | XTO ENERGY INC. | 21k | 51k | 1993-01 | 2026-04 |
| Oil | LITTLE-JENKINS | XTO ENERGY INC. | 21k | 10k | 1993-01 | 2019-04 |
| Oil | KEYSTONE CATTLE CO. | MINERAL TECHNOLOGIES, INC. | 19k | 4k | 1993-01 | 2003-08 |
| Oil | JENKINS, B. F. | PEGCO OPERATORS | 19k | 64 | 1993-01 | 2021-02 |
| Oil | GULF SCARBOROUGH -B- /SEC. 1/ | SOUTHWEST ROYALTIES, INC. | 18k | 2k | 1993-01 | 2009-06 |
| Oil | POGO WALTON F | XTO ENERGY INC. | 18k | 67k | 1993-01 | 2026-04 |
| Oil | SUN-JENKINS -D- | WALSH & WATTS, INC. | 18k | 54 | 1993-01 | 2026-04 |
| Oil | WALTON, J. B. -A- | BOPCO, L.P. | 17k | 331k | 1993-01 | 2009-01 |
| Oil | HUMBLE-WALTON -C- | XTO ENERGY INC. | 16k | 106 | 1993-01 | 2025-03 |
| Oil | FERNANDES RANCH | TORCH ENERGY SERVICES, INC. | 16k | 98 | 1993-01 | 2020-03 |
| Oil | MCCUTCHEN -A- | WHITING OIL AND GAS CORPORATION | 15k | 41k | 1993-01 | 2007-04 |
| Oil | LOVETT, H. E. -D- | WHITING OIL AND GAS CORPORATION | 15k | 5k | 1993-01 | 2024-11 |
| Oil | JENKINS, B.F.-12 | STANOLIND PRODUCTION LLC | 14k | 44k | 1993-01 | 2010-11 |
| Oil | BAIRD, W. E. | XTO ENERGY INC. | 14k | 32k | 1993-01 | 2026-04 |
| Oil | CHARLESWORTH | MINERAL TECHNOLOGIES, INC. | 14k | 103k | 1993-01 | 2022-03 |
| Oil | POGO WALTON C | XTO ENERGY INC. | 14k | 35k | 1993-01 | 2017-10 |
| Oil | CRUM | XOG OPERATING LLC | 13k | 55 | 1993-01 | 2025-04 |
| Oil | CAMPBELL -A- | WILLIAMS OIL COMPANY | 13k | 4k | 1993-01 | 2012-01 |
| Oil | LOVETT, H. E. -B- | WHITING OIL AND GAS CORPORATION | 12k | 6k | 1993-01 | 2026-04 |
| Oil | BASH | XTO ENERGY INC. | 11k | 218k | 1993-01 | 2019-07 |
| Oil | CAMPBELL -C- | REATA RESOURCES | 11k | 20 | 1993-01 | 2016-06 |
| Oil | KEYSTONE CATTLE COMPANY -A- | WOOD, MCSHANE & THAMS | 10k | 86k | 1993-01 | 2000-10 |
| Oil | WALTON, J. B. -B- | XTO ENERGY INC. | 10k | 452 | 1993-01 | 2026-04 |
| Oil | BELL -A- | MAGNUM HUNTER PRODUCTION, INC. | 8k | 44k | 1993-01 | 2010-10 |
| Oil | WALTON | STOUT ENERGY INC. | 8k | 351 | 1993-01 | 2002-10 |
| Oil | WALTON, J. B. | XTRA ENERGY, LLC | 8k | 13k | 1993-01 | 2026-04 |
| Oil | SCARBOROUGH-COSDEN /SEC. 1/ | SOUTHWEST ROYALTIES, INC. | 8k | 19k | 1993-01 | 2001-10 |
| Oil | GULF-JENKINS | WORTHAM, E. H. | 5k | 22 | 1993-01 | 2004-02 |
| Oil | LINEBERG, EVELYN | SOUTHWEST ROYALTIES, INC. | 5k | 21 | 1993-01 | 1996-07 |
| Oil | CROSS, MINNIE | SOUTHWEST ROYALTIES, INC. | 4k | 5k | 1993-01 | 1998-08 |
| Oil | MCCUTCHEON | G P II ENERGY, INC. | 4k | 186k | 1993-01 | 2000-12 |
| Oil | CAMPBELL -A- | REATA RESOURCES | 4k | 20 | 1993-01 | 2003-01 |
| Oil | SHELL-LLANO -A- | SOUTHWEST ROYALTIES, INC. | 2k | 21 | 1993-01 | 2011-09 |
| Oil | CONTINENTAL-WALTON | BASS ENTERPRISES PRODUCTION CO. | 2k | 3k | 1993-01 | 1996-04 |
| Oil | BAIRD-A | ARRINGTON,DAVID H. OIL & GAS,INC | 2k | 22 | 1993-01 | 2011-05 |
| Oil | BASHARA, M. J. | JUST OIL & GAS, INC. | 840 | 219 | 1993-01 | 2003-08 |
| Oil | LOVETT, H. E.-A- | PERMIAN RESOURCES, INC. | 690 | 13k | 1993-01 | 1998-06 |
| Oil | SCARBOROUGH, W. F. A/C 7 | SOUTHWEST ROYALTIES, INC. | 0 | 0 | 1993-01 | -- |
| Oil | KERMIT BRINE STATION | PERMIAN BRINE SALES, INC. | 0 | 0 | 1993-01 | -- |
| Oil | LOVETT, H. E. -E- | UNIT PETROLEUM COMPANY | 0 | 0 | 1993-01 | -- |
| Oil | SOUTHLAND-JENKINS | BASS ENTERPRISES PRODUCTION CO. | 0 | 0 | 1993-01 | -- |
| Oil | JAKE | MAS OPERATING CO. | 0 | 0 | 2015-07 | -- |
| Oil | FERNANDES RANCH | MINERAL TECHNOLOGIES, INC. | 0 | 0 | 1993-01 | -- |
| Gas | WALTON, J. B. | XTO ENERGY INC. | 0 | 970k | 1993-01 | 2026-04 |
| Oil | GRANT-CAMPBELL | G P II ENERGY, INC. | 0 | 0 | 1993-01 | -- |
| Gas | BASHARA, M.J. | XTO ENERGY INC. | 0 | 603 | 2025-01 | 2025-12 |