SHAFTER LAKE (SAN ANDRES)
Field #82570500 · District 10 · --
Leases
144
Operators
157
Cum Oil
21.8M 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 |
|---|---|---|---|
| RING ENERGY, INC. | 23 | 1.7M | 2026-04 |
| VIN FISHER OPERATING, INC. | 12 | 2.5M | 2026-04 |
| LEGACY RESERVES OPERATING LP | 9 | 975k | 2026-04 |
| UNION OIL COMPANY OF CALIFORNIA | 8 | 366k | 2026-04 |
| PACESETTER ENERGY, LLC | 8 | 1.5M | 2026-04 |
| ICA ENERGY OPERATING, L.L.C. | 6 | 651k | 2026-03 |
| WESTPORT OIL AND GAS COMPANY, LP | 5 | 6.9M | 2026-04 |
| HENRY PETROLEUM LP | 5 | 112k | 2001-07 |
| WESTERN RESERVES OIL COMPANY INC | 4 | 603k | 2026-04 |
| SANDRIDGE EXPL. AND PROD., LLC | 4 | 295k | 2011-04 |
Lease Types
Leases (100)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | SHAFTER LAKE /SAN ANDRES/ UNIT | WESTPORT OIL AND GAS COMPANY, LP | 6.7M | 2.3M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY BLOCK 14 CONS. | VIN FISHER OIL COMPANY | 3.4M | 1.1M | 1993-01 | 2026-04 |
| Oil | FISHER, NOLA UNIT | VIN FISHER OPERATING, INC. | 1.1M | 381k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY JV 14 | PACESETTER ENERGY, LLC | 1.1M | 395k | 2015-01 | 2026-04 |
| Oil | FISHER | VIN FISHER OPERATING, INC. | 834k | 41k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY SAN ANDRES UNIT | LEGACY RESERVES OPERATING LP | 743k | 422k | 2001-08 | 2026-04 |
| Oil | SAVAGE | VIOLA PROD., INC. | 487k | 151k | 1993-01 | 2026-04 |
| Oil | ARMSTRONG, ELIZABETH | SHINNERY OIL COMPANY, INC. | 361k | 293k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY "14" | WESTERN RESERVES OIL COMPANY INC | 282k | 27k | 1993-01 | 2026-04 |
| Oil | DOW-HALL | VIOLA PROD., INC. | 258k | 81k | 1993-01 | 2019-06 |
| Oil | DEEP ROCK ET AL -A- | MARALO, LLC | 236k | 51k | 1993-01 | 2023-01 |
| Oil | FISHER 4 | RING ENERGY, INC. | 181k | 92k | 2010-05 | 2012-09 |
| Oil | UNIVERSITY 14S | RING ENERGY, INC. | 179k | 44k | 2019-05 | 2026-04 |
| Oil | FISHER HORSE PASTURE | VIN FISHER OPERATING, INC. | 175k | 0 | 2021-01 | 2026-04 |
| Oil | PARKER, J. E. -B- | UNION OIL COMPANY OF CALIFORNIA | 172k | 95k | 1993-01 | 2026-04 |
| Oil | FIDES | RING ENERGY, INC. | 172k | 152k | 2018-06 | 2026-04 |
| Oil | UNIVERSITY 15E | RING ENERGY, INC. | 168k | 45k | 2019-07 | 2026-04 |
| Oil | DEEP ROCK 23 | ICA ENERGY OPERATING, L.L.C. | 166k | 337k | 2022-11 | 2026-03 |
| Oil | UNDINE | RING ENERGY, INC. | 164k | 30k | 2018-11 | 2026-04 |
| Oil | DEEP ROCK A | ICA ENERGY OPERATING, L.L.C. | 153k | 206k | 2021-06 | 2026-03 |
| Oil | HYBRES | RING ENERGY, INC. | 145k | 53k | 2019-05 | 2026-04 |
| Oil | STATE UNIVERSITY COLT | PACESETTER ENERGY, LLC | 144k | 49k | 2017-12 | 2026-04 |
| Oil | ARMSTRONG, ELIZABETH | THREE RIVERS OPERATING CO LLC | 136k | 23k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY 26 | TREY RESOURCES INC. | 136k | 24k | 2008-03 | 2026-04 |
| Oil | UNIVERSITY "14-16" | SANDRIDGE EXPL. AND PROD., LLC | 127k | 16k | 1993-01 | 2011-04 |
| Oil | UNIVERSITY-AMEX | WESTERN RESERVES OIL COMPANY INC | 123k | 31k | 1993-01 | 2019-07 |
| Oil | ALLISON, B. T. | SUNDOWN ENERGY LP | 123k | 29k | 1996-05 | 2026-04 |
| Oil | DEEP ROCK | ICA ENERGY OPERATING, L.L.C. | 120k | 315k | 2021-03 | 2026-03 |
| Oil | ARMSTRONG, ELIZABETH -D- | WESTPORT OIL AND GAS COMPANY, LP | 120k | 125k | 1993-01 | 2026-04 |
| Oil | TEXACO "12" | WESTERN RESERVES OIL COMPANY INC | 115k | 26k | 1993-05 | 2026-04 |
| Oil | PARKER, J. E., -G- | UNION OIL COMPANY OF CALIFORNIA | 109k | 62k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY 14SQ | RING ENERGY, INC. | 106k | 27k | 2024-02 | 2026-04 |
| Oil | HOMER | RING ENERGY, INC. | 104k | 30k | 2024-03 | 2026-04 |
| Oil | UNIVERSITY '14' | TREY RESOURCES INC. | 103k | 15k | 2008-04 | 2014-10 |
| Oil | UNIVERSITY FRODO | PACESETTER ENERGY, LLC | 95k | 44k | 2018-10 | 2026-04 |
| Oil | PIRATE U 13-13 | SADDLEBACK EXPLORATION, LLC | 94k | 0 | 2017-05 | 2026-04 |
| Oil | UNIVERSITY -1416- D | SANDRIDGE EXPL. AND PROD., LLC | 94k | 7k | 1993-01 | 2011-04 |
| Oil | OGDEN -A- | VIN FISHER OPERATING, INC. | 92k | 143 | 1993-01 | 2024-10 |
| Oil | PARKER, J. E. "J" | WESTPORT OIL AND GAS COMPANY, LP | 92k | 1k | 1993-01 | 2026-04 |
| Oil | DEEP ROCK 7 | ICA ENERGY OPERATING, L.L.C. | 91k | 130k | 2022-06 | 2026-03 |
| Oil | UNIVERSITY-AMERICAN "15" | WESTERN RESERVES OIL COMPANY INC | 83k | 23k | 1993-01 | 2021-02 |
| Oil | FISHER D | VIN FISHER OPERATING, INC. | 82k | 0 | 2012-10 | 2026-04 |
| Oil | HARMONIA | RING ENERGY, INC. | 81k | 15k | 2024-05 | 2026-04 |
| Oil | HADES | RING ENERGY, INC. | 81k | 17k | 2023-10 | 2026-04 |
| Oil | HEBE | RING ENERGY, INC. | 80k | 19k | 2023-10 | 2026-04 |
| Oil | CAPTAIN AHAB HARPOON | PACESETTER ENERGY, LLC | 76k | 37k | 2016-01 | 2022-11 |
| Oil | UNIVERSITY 1801 | SANDRIDGE EXPL. AND PROD., LLC | 73k | 44k | 1993-01 | 2011-04 |
| Oil | HARPOON | PACESETTER ENERGY, LLC | 70k | 36k | 2015-07 | 2020-02 |
| Oil | FISHER, M. M. | VIN FISHER OPERATING, INC. | 67k | 1k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY 14SR | RING ENERGY, INC. | 66k | 21k | 2024-08 | 2026-04 |
| Oil | DEEP ROCK C | ICA ENERGY OPERATING, L.L.C. | 63k | 188k | 2022-02 | 2026-03 |
| Oil | FISHER 23A | VIN FISHER OPERATING, INC. | 59k | 9k | 1993-01 | 2026-04 |
| Oil | DEEP ROCK B | ICA ENERGY OPERATING, L.L.C. | 57k | 203k | 2021-10 | 2026-03 |
| Oil | UNIVERSITY "C" | LEGACY RESERVES OPERATING LP | 57k | 28k | 1993-08 | 2020-03 |
| Oil | PARKER, J.E., "V" | UNION OIL COMPANY OF CALIFORNIA | 56k | 37k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY "B" | HANNATHON PETROLEUM, LLC | 55k | 12k | 2008-01 | 2026-04 |
| Oil | HELIOS | RING ENERGY, INC. | 54k | 16k | 2024-05 | 2026-04 |
| Oil | FISHER | ETL HYDROCARBONS, INC. | 53k | 110 | 1993-01 | 2012-07 |
| Oil | UNIVERSITY A12 | RAFTER T RESOURCES LLC | 53k | 49k | 2022-12 | 2026-04 |
| Oil | GRAHAM UNIVERSITY | LEGACY RESERVES OPERATING LP | 51k | 2 | 1993-01 | 2006-12 |
| Oil | TEXAS -PP- | PENNZOIL PETROLEUM COMPANY | 47k | 45k | 1993-01 | 2001-07 |
| Oil | FISHER, M. M. | REMUDA OPERATING COMPANY | 44k | 146 | 1993-01 | 2026-03 |
| Oil | UNIVERSITY -153- | LEGACY RESERVES OPERATING LP | 44k | 19k | 1993-01 | 2024-09 |
| Oil | UNIVERSITY | SCOUT ENERGY MANAGEMENT LLC | 42k | 21 | 1993-01 | 2019-04 |
| Oil | UNIVERSITY SAMWISE | PACESETTER ENERGY, LLC | 42k | 20k | 2018-10 | 2026-04 |
| Oil | CRADDOCK, H. J. | R.K.G. OPERATIONS, INC. | 41k | 63k | 1993-01 | 2026-02 |
| Oil | UNIVERSITY "BE" | UNITED ENERGY CORPORATION | 40k | 8k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -155- | HENRY PETROLEUM LP | 39k | 28k | 1993-01 | 2001-07 |
| Oil | UNIVERSITY -6- | YUCCA ENERGY, INC. | 35k | 7k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -154- | LEGACY RESERVES OPERATING LP | 35k | 15k | 1993-01 | 2001-07 |
| Oil | UNIVERSITY 173 | HENRY PETROLEUM LP | 34k | 32k | 1993-01 | 2001-06 |
| Oil | FISHER, M. M. "A" | VIN FISHER OPERATING, INC. | 34k | 505 | 1994-02 | 2025-11 |
| Oil | UNIVERSITY "143" | LEGACY RESERVES OPERATING LP | 33k | 14k | 1993-01 | 2023-02 |
| Oil | FISHER, M. M., ESTATE -B- | LYNX ENERGY COMPANY, INC. | 31k | 20 | 1993-01 | 2012-07 |
| Oil | UNIVERSITY 14Q | RING ENERGY, INC. | 31k | 21k | 2024-08 | 2026-04 |
| Oil | TEXAS -QQ- | PENNZOIL PETROLEUM COMPANY | 30k | 18k | 1993-01 | 2001-07 |
| Oil | UNIVERSITY YZ | OXY USA WTP LP | 30k | 16k | 1993-01 | 2013-01 |
| Oil | UNIVERSITY -169- | HENRY PETROLEUM LP | 28k | 20k | 1993-01 | 2001-06 |
| Oil | CRADDOCK 'D' | ROBERTSON RESOURCES, INC. | 27k | 38 | 1993-01 | 2025-04 |
| Oil | TEXAS -B- | SNOW OIL & GAS, INC. | 26k | 141 | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -B- | WILBANKS, BRUCE A. COMPANY | 24k | 66 | 1993-01 | 2026-04 |
| Oil | CABOT UNIVERSITY LANDS | PROSPCTV INVSTMNT & TRDG CO, LTD | 23k | 9k | 1993-01 | 2014-04 |
| Oil | UNIVERSITY 14R | VIN FISHER OPERATING, INC. | 23k | 0 | 2020-06 | 2026-04 |
| Oil | UNIVERSITY -II- | SATANTA OIL COMPANY | 23k | 12k | 1993-01 | 2022-01 |
| Oil | UNIVERSITY -26- | SHERIDAN PRODUCTION COMPANY, LLC | 23k | 7k | 1993-01 | 2015-01 |
| Oil | FISHER 23B | VIN FISHER OPERATING, INC. | 22k | 2k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY THOROUGHBRED | PACESETTER ENERGY, LLC | 21k | 10k | 2018-01 | 2024-05 |
| Oil | UNIVERSITY "5-B" | RING ENERGY, INC. | 21k | 55 | 1993-01 | 2019-03 |
| Oil | ELK | SHERIDAN PRODUCTION COMPANY, LLC | 21k | 3k | 1993-01 | 2013-05 |
| Oil | GARDNER, F. E. | SMITH BROTHERS OIL & GAS, INC. | 20k | 263 | 1993-01 | 2026-03 |
| Oil | ARMSTRONG | NAUMANN OIL & GAS, INC. | 19k | 96 | 1993-01 | 2008-07 |
| Oil | FISHER, M. M. -B- | H&M PRODUCTION, INC. | 19k | 21 | 1993-01 | 2012-10 |
| Oil | UNIVERSITY "4-B" | RING ENERGY, INC. | 19k | 55 | 1993-01 | 2019-03 |
| Oil | UNIVERSITY-6 -B- | YUCCA ENERGY, INC. | 18k | 3k | 1993-01 | 2019-11 |
| Oil | FISHER, M. M., EST. | LYNX ENERGY COMPANY, INC. | 17k | 20 | 1993-01 | 2012-07 |
| Oil | BRAHANEY UNIVERSITY | YUCCA ENERGY, INC. | 15k | 0 | 2013-04 | 2025-10 |
| Oil | FISHER, NOLA -A- | VIN FISHER OPERATING, INC. | 15k | 21 | 1993-01 | 2011-04 |
| Oil | CARRUTH "12" | WILD CAT OPERATING COMPANY | 14k | 3k | 1994-01 | 2003-09 |
| Oil | UNIVERSITY ISABELL | LEGACY RESERVES OPERATING LP | 13k | 6k | 1993-01 | 2018-04 |
| Oil | UNIVERSITY -23- | PARISH, JOHN R. | 11k | 2k | 1993-01 | 2011-06 |