KEYSTONE (SAN ANDRES)
Field #49129594 · District 10 · --
Leases
49
Operators
44
Cum Oil
2.4M BBL
Cum Gas
0 MCF
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 |
|---|---|---|---|
| PRIZE OPERATING COMPANY | 19 | 778k | 2001-12 |
| XTO ENERGY INC. | 6 | 610k | 2026-04 |
| SMITH & MARRS INC. | 5 | 87k | 2009-05 |
| PALADIN PETROLEUM III, L.L.C. | 5 | 151k | 2026-04 |
| SADDLEBACK EXPLORATION, LLC | 4 | 71k | 2026-04 |
| PIONEER RESOURCES PRODUCING, L.P | 3 | 17k | 1997-05 |
| BOYD & MCWILLIAMS OPERATING, LLC | 1 | 0 | -- |
| VISTA RESOURCES, INC. (A) | 1 | 502k | 2026-04 |
| TEXACO E & P INC. | 1 | 45k | 2001-12 |
| TEKE PRODUCTION LLC | 1 | 147k | 2023-12 |
Lease Types
Leases (49)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | WALTON, J. B., -C- | XTO ENERGY INC. | 610k | 1.2M | 1993-01 | 2026-04 |
| Oil | WADDELL | VISTA RESOURCES, INC. (A) | 502k | 1.1M | 1993-01 | 2026-04 |
| Oil | MCCUTCHEN, W.A. | TEKE PRODUCTION LLC | 147k | 263k | 1996-10 | 2023-12 |
| Oil | TAYLOR,MACK"A" | PRIZE OPERATING COMPANY | 137k | 192k | 1993-01 | 2001-12 |
| Oil | TAYLOR, MACK "B" | PRIZE OPERATING COMPANY | 124k | 267k | 1993-01 | 2001-12 |
| Oil | K.D. | PALADIN PETROLEUM III, L.L.C. | 118k | 62k | 2017-05 | 2026-04 |
| Oil | MOSS,JOHN H. | PRIZE OPERATING COMPANY | 97k | 209k | 1993-01 | 2001-12 |
| Oil | MOSS,JOHN H. "A" | PRIZE OPERATING COMPANY | 84k | 221k | 1993-01 | 2001-12 |
| Oil | MOSS-TAYLOR UNIT | PRIZE OPERATING COMPANY | 65k | 246k | 1995-07 | 2001-12 |
| Oil | MOSS, J. H. "B" | PRIZE OPERATING COMPANY | 60k | 152k | 1993-01 | 2001-12 |
| Oil | WALTON ESTATE | SMITH & MARRS INC. | 53k | 109k | 1993-01 | 2001-12 |
| Oil | WARD, M. B. | PRIZE OPERATING COMPANY | 49k | 119k | 1993-01 | 2001-12 |
| Oil | TAYLOR, MACK | TEXACO E & P INC. | 45k | 68k | 1993-01 | 2001-12 |
| Oil | EAST KEYSTONE(SAN A HOLT UNIT) | SADDLEBACK EXPLORATION, LLC | 39k | 78k | 2011-08 | 2026-04 |
| Oil | MOSS, J. H. -C- | PRIZE OPERATING COMPANY | 37k | 81k | 1995-10 | 2001-12 |
| Oil | STONEGATE | PALADIN PETROLEUM III, L.L.C. | 30k | 7k | 2018-02 | 2019-12 |
| Oil | HANKS, NELLIE "A" | PRIZE OPERATING COMPANY | 24k | 65k | 1993-01 | 2001-12 |
| Oil | HANKS-TAYLOR UNIT | PRIZE OPERATING COMPANY | 20k | 40k | 1999-09 | 2001-12 |
| Oil | TRINITY "A" UNIT | SADDLEBACK EXPLORATION, LLC | 18k | 37k | 2000-04 | 2015-01 |
| Oil | SMITH-WALTON UNIT | PRIZE OPERATING COMPANY | 17k | 31k | 1996-07 | 2001-12 |
| Oil | HANKS-WARD UNIT | PRIZE OPERATING COMPANY | 17k | 26k | 1999-09 | 2001-12 |
| Oil | TAYLOR-MOSS UNIT | PIONEER RESOURCES PRODUCING, L.P | 17k | 29k | 1996-01 | 1997-05 |
| Oil | JENKINS | FULFER OIL AND CATTLE CO. | 14k | 61k | 1993-08 | 2026-04 |
| Oil | TAYLOR 'A' MOSS UNIT | PRIZE OPERATING COMPANY | 14k | 53k | 2001-01 | 2001-12 |
| Oil | WALTON ESTATE "A" | SMITH & MARRS INC. | 13k | 1k | 1993-01 | 2009-05 |
| Oil | HANKS, NELLIE | SMITH & MARRS INC. | 13k | 7k | 1993-01 | 2001-12 |
| Oil | J.J. PERKINS "C" | SADDLEBACK EXPLORATION, LLC | 12k | 0 | 1997-06 | 2017-09 |
| Oil | HANKS "A" UNIT | PRIZE OPERATING COMPANY | 9k | 19k | 1999-09 | 2001-12 |
| Oil | SMITH, LUCY | SMITH & MARRS INC. | 8k | 228 | 1993-01 | 1999-02 |
| Oil | BRADISH MOSS UNIT | PRIZE OPERATING COMPANY | 7k | 24k | 2001-03 | 2001-12 |
| Oil | TAYLOR HANKS "A" UNIT | PRIZE OPERATING COMPANY | 6k | 18k | 2001-03 | 2001-12 |
| Oil | M. E. CRUM UNIT | PRIZE OPERATING COMPANY | 4k | 6k | 2001-03 | 2001-12 |
| Oil | UTF MORETON | PALADIN PETROLEUM III, L.L.C. | 4k | 2k | 2018-11 | 2020-06 |
| Oil | TAYLOR-SMITH UNIT | PRIZE OPERATING COMPANY | 4k | 10k | 2000-12 | 2001-12 |
| Oil | TAYLOR HANKS UNIT | PRIZE OPERATING COMPANY | 3k | 3k | 2001-03 | 2001-12 |
| Oil | KEYSTONE CATTLE CO. 14 | VIOLA PROD., INC. | 2k | 3k | 1993-01 | 1999-07 |
| Oil | RUST 24 | SADDLEBACK EXPLORATION, LLC | 2k | 0 | 2019-08 | 2020-03 |
| Oil | WALTON, J. B. | XTO ENERGY INC. | 486 | 565 | 1993-01 | 2007-03 |
| Oil | TAYLOR, MACK | SMITH & MARRS INC. | 101 | 8 | 1993-01 | 1997-06 |
| Oil | KEYSTONE CATTLE CO. | WHITING OIL AND GAS CORPORATION | 94 | 2k | 2011-05 | 2011-08 |
| Oil | COP SWD | BOYD & MCWILLIAMS OPERATING, LLC | 0 | 0 | 2024-04 | -- |
| Oil | BASHARA, M.S. -B- | XTO ENERGY INC. | 0 | 0 | 1993-01 | -- |
| Oil | Y T FAMILY LAND | PALADIN PETROLEUM III, L.L.C. | 0 | 0 | 2017-04 | -- |
| Oil | JENKINS, B. F. | XTO ENERGY INC. | 0 | 0 | 1995-03 | -- |
| Oil | TAYLOR "A"/WADDELL | PIONEER RESOURCES PRODUCING, L.P | 0 | 0 | 1997-06 | -- |
| Oil | WALTON, J. B. -A- | XTO ENERGY INC. | 0 | 0 | 1993-01 | -- |
| Oil | BRADISH | PIONEER RESOURCES PRODUCING, L.P | 0 | 0 | 1997-06 | -- |
| Oil | BASHARA, M. J. | XTO ENERGY INC. | 0 | 0 | 1993-01 | -- |
| Oil | K.D. 24 SWD | PALADIN PETROLEUM III, L.L.C. | 0 | 0 | 2018-07 | -- |