BROOKELAND (AUSTIN CHALK, 8800)
Field #12193500 · District 6 · --
Leases
561
Operators
147
Cum Oil
16.1M BBL
Cum Gas
550.6M MCF
Cum Cond
50.5M 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 |
|---|---|---|---|
| UNION PACIFIC RESOURCES COMPANY | 165 | 7.5M | 2026-04 |
| ERGON ENERGY PARTNERS, L.P. | 66 | 0 | 2026-04 |
| ZARVONA ENERGY LLC | 60 | 0 | 2026-04 |
| SWIFT ENERGY OPERATING, LLC | 56 | 2.4M | 2026-04 |
| SWIFT ENERGY COMPANY | 33 | 463k | 2004-05 |
| SOUTHERN BAY OPERATING, L.L.C. | 28 | 67k | 2026-04 |
| TANA OIL AND GAS CORPORATION | 22 | 3.7M | 2012-09 |
| VASTAR RESOURCES, INC. | 11 | 223k | 1997-06 |
| SONAT EXPLORATION COMPANY -TYLER | 9 | 101k | 1995-11 |
| ANADARKO E&P ONSHORE LLC | 9 | 0 | 2015-07 |
Lease Types
Leases (100)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | NEEDMORE | UNION PACIFIC RESOURCES COMPANY | 523k | 2.2M | 1993-01 | 2003-03 |
| Oil | LONG-BELL OIL UNIT | TANA OIL AND GAS CORPORATION | 494k | 1.4M | 1993-11 | 2012-08 |
| Oil | TEXACO FEE BROOKLAND | UNION PACIFIC RESOURCES COMPANY | 493k | 5.1M | 1993-01 | 2006-12 |
| Oil | LONG-BELL OIL UNIT #3 | TANA OIL AND GAS CORPORATION | 465k | 1.5M | 1994-06 | 2012-08 |
| Oil | TAYLOR, HENRY | TANA OIL AND GAS CORPORATION | 414k | 981k | 1996-03 | 2012-09 |
| Oil | ARCO FEE | TANA OIL AND GAS CORPORATION | 390k | 943k | 1993-07 | 2012-08 |
| Oil | SPRINGER, B. K. | UNION PACIFIC RESOURCES COMPANY | 363k | 3.8M | 1995-09 | 2026-04 |
| Oil | NEEDMORE PARK | UNION PACIFIC RESOURCES COMPANY | 360k | 783k | 1993-07 | 2001-08 |
| Oil | ARCO FEE A-248 | UNION PACIFIC RESOURCES COMPANY | 347k | 1000k | 1994-01 | 2004-11 |
| Oil | RAYBURN UNIT #12 | TANA OIL AND GAS CORPORATION | 286k | 485k | 1996-09 | 2012-08 |
| Oil | ODOM, R.E. ET AL | UNION PACIFIC RESOURCES COMPANY | 284k | 1.5M | 1994-05 | 2023-12 |
| Oil | LONG-BELL OIL UNIT #2 | TANA OIL AND GAS CORPORATION | 279k | 1.5M | 1994-09 | 2012-08 |
| Oil | CHAMPION UNIT 1 | UNION PACIFIC RESOURCES COMPANY | 274k | 1.3M | 1993-09 | 2006-05 |
| Oil | BROWN-DONNER A-1166 UNIT | UNION PACIFIC RESOURCES COMPANY | 270k | 2.1M | 1994-04 | 2026-04 |
| Oil | ARCO-MAERSK | UNION PACIFIC RESOURCES COMPANY | 231k | 1.8M | 1993-01 | 2003-08 |
| Oil | STARK UNIT A-298 | SWIFT ENERGY OPERATING, LLC | 213k | 774k | 1995-09 | 2009-11 |
| Oil | ARCO FEE 1-253 | UNION PACIFIC RESOURCES COMPANY | 206k | 700k | 1993-12 | 1998-01 |
| Oil | SMITH UNIT A-531 | SWIFT ENERGY OPERATING, LLC | 196k | 1.6M | 2001-04 | 2026-04 |
| Oil | TEXACO FEE UNIT 3 | UNION PACIFIC RESOURCES COMPANY | 182k | 4.2M | 1993-01 | 2013-11 |
| Oil | GIBBS BROS. UNIT | UNION PACIFIC RESOURCES COMPANY | 182k | 1.1M | 1999-01 | 2026-04 |
| Oil | ARCO FEE A-205 | UNION PACIFIC RESOURCES COMPANY | 178k | 1.8M | 1993-11 | 2015-05 |
| Oil | ARCO FEE UNIT A-917 | UNION PACIFIC RESOURCES COMPANY | 175k | 570k | 1994-08 | 2005-11 |
| Oil | RAYBURN OIL UNIT #2 | TANA OIL AND GAS CORPORATION | 172k | 815k | 1995-08 | 2012-09 |
| Oil | BROWN, GEORGE W. | TANA OIL AND GAS CORPORATION | 170k | 475k | 1995-01 | 2012-09 |
| Oil | CHAMPION INT'L. UNIT A-565 | SWIFT ENERGY OPERATING, LLC | 164k | 1.2M | 2001-05 | 2026-04 |
| Oil | RAYBURN OIL UNIT #8 | TANA OIL AND GAS CORPORATION | 163k | 333k | 1995-09 | 2012-09 |
| Oil | CHAMPION | BERENERGY CORPORATION | 162k | 1.9M | 1994-01 | 1995-08 |
| Oil | ARCO/BLACK STONE FEE 2 | UNITED OIL & MINERALS, INC. | 160k | 513k | 1993-03 | 2002-07 |
| Oil | ARCO FEE | UNION PACIFIC RESOURCES COMPANY | 158k | 910k | 1993-08 | 2000-06 |
| Oil | CHAMPION INT'L. UNIT A-1148 | SWIFT ENERGY OPERATING, LLC | 157k | 1.1M | 1995-03 | 2026-03 |
| Oil | CHAMPION INT'L. UNIT A-796 | SWIFT ENERGY OPERATING, LLC | 156k | 1.1M | 2001-07 | 2026-04 |
| Oil | ARCO FEE UNIT A-897 | UNION PACIFIC RESOURCES COMPANY | 155k | 1.5M | 1994-05 | 2015-05 |
| Oil | BARROW UNIT A-928 | SWIFT ENERGY OPERATING, LLC | 153k | 1.2M | 2003-12 | 2026-04 |
| Oil | DONNER-BROWN 567 | SWIFT ENERGY OPERATING, LLC | 153k | 1.4M | 2000-04 | 2026-04 |
| Oil | R.E. ODOM UNIT 3 | UNION PACIFIC RESOURCES COMPANY | 152k | 585k | 1995-08 | 2025-09 |
| Oil | RAYBURN UNIT #7 | TANA OIL AND GAS CORPORATION | 151k | 338k | 1997-05 | 2012-09 |
| Oil | ARCO FEE UNIT A-1001 | UNION PACIFIC RESOURCES COMPANY | 149k | 607k | 1995-03 | 2005-11 |
| Oil | TEXACO FEE AMI | UNION PACIFIC RESOURCES COMPANY | 148k | 1.9M | 1993-01 | 2000-09 |
| Oil | TEXACO AMI UNIT 1 | UNION PACIFIC RESOURCES COMPANY | 147k | 1.1M | 1993-01 | 2025-03 |
| Oil | CREW UNIT A-342 | UNION PACIFIC RESOURCES COMPANY | 146k | 1.8M | 1998-07 | 2026-03 |
| Oil | CHAMPION UNIT 1 | SWIFT ENERGY COMPANY | 144k | 484k | 1993-11 | 2004-05 |
| Oil | TEMPLE-INLAND UNIT A-923 | SWIFT ENERGY OPERATING, LLC | 139k | 1.9M | 2000-12 | 2026-04 |
| Oil | CHAMPION INT'L UNIT A-2O NO. 2 | SWIFT ENERGY COMPANY | 139k | 1.0M | 1994-06 | 1997-06 |
| Oil | BROWN-DONNER UNIT A-567 | UNION PACIFIC RESOURCES COMPANY | 135k | 993k | 1998-01 | 2026-04 |
| Oil | U.S.A. 60915 UNIT | UNION PACIFIC RESOURCES COMPANY | 133k | 493k | 1995-08 | 2004-07 |
| Oil | TEXACO ARCO AMI FEE A-378 | UNION PACIFIC RESOURCES COMPANY | 133k | 767k | 1993-10 | 1999-01 |
| Oil | ARCO FEE UNIT #4 | TANA OIL AND GAS CORPORATION | 132k | 610k | 1995-05 | 2012-09 |
| Oil | ARCO/BLACK STONE FEE | UNITED OIL & MINERALS, INC. | 131k | 479k | 1993-02 | 2003-09 |
| Oil | TONAHILL, M.T. ET AT A-41 UNIT | UNION PACIFIC RESOURCES COMPANY | 127k | 1.5M | 1994-12 | 2000-10 |
| Oil | CHAMPION INT'L UNIT A-802 | SWIFT ENERGY OPERATING, LLC | 126k | 1.1M | 1995-03 | 1998-05 |
| Oil | BSCU USA 27343 "A" | UNION PACIFIC RESOURCES COMPANY | 117k | 890k | 1993-06 | 2023-12 |
| Oil | ARCO FEE UPR A-19 | UNION PACIFIC RESOURCES COMPANY | 114k | 864k | 1997-12 | 2025-03 |
| Oil | TEXACO AMI UNIT 5 | UNION PACIFIC RESOURCES COMPANY | 112k | 960k | 1994-03 | 2015-03 |
| Oil | TEMPLE INDUSTRIES 3-H | UNION PACIFIC RESOURCES COMPANY | 110k | 1.7M | 1994-08 | 2003-03 |
| Oil | ARCO FEE OIL UNIT | TANA OIL AND GAS CORPORATION | 108k | 444k | 1993-12 | 2005-10 |
| Oil | TEXACO FEE UNIT 4 | TEXACO E & P INC. | 104k | 1.2M | 1993-02 | 1995-01 |
| Oil | ARCO FEE A-254 | UNION PACIFIC RESOURCES COMPANY | 103k | 584k | 1994-07 | 2013-05 |
| Oil | U.S.A. UNIT A-277 | SWIFT ENERGY COMPANY | 99k | 556k | 1995-08 | 2004-04 |
| Oil | LEMOINE | WOLF PRODUCTION, INC. | 98k | 130k | 1993-11 | 2000-09 |
| Oil | LONG-BELL | LIBERTY OPERATING COMPANY, INC. | 96k | 1.0M | 1994-09 | 2000-06 |
| Oil | RAYBURN UNIT #11 | TANA OIL AND GAS CORPORATION | 93k | 438k | 1996-08 | 2012-09 |
| Oil | #1 RAYBURN UNIT "A" | TANA OIL AND GAS CORPORATION | 90k | 504k | 1996-07 | 2012-09 |
| Oil | CHAMPION INT'L. UNIT A-1159 | SWIFT ENERGY OPERATING, LLC | 89k | 635k | 1995-03 | 2026-04 |
| Oil | BROWNDELL | WOLF PRODUCTION, INC. | 89k | 150k | 1993-10 | 2000-10 |
| Oil | CHAMPION INT'L. A-143 | SWIFT ENERGY OPERATING, LLC | 88k | 851k | 2000-09 | 2026-03 |
| Oil | BSCU USA 27328 | UNION PACIFIC RESOURCES COMPANY | 86k | 365k | 1996-04 | 2004-08 |
| Oil | ARCO FEE "A" | UNION PACIFIC RESOURCES COMPANY | 81k | 951k | 1993-09 | 2000-10 |
| Oil | STURGIS | WOLF PRODUCTION, INC. | 80k | 172k | 1993-01 | 2000-09 |
| Oil | ARCO FEE A-418 UNIT | UNION PACIFIC RESOURCES COMPANY | 79k | 505k | 1995-08 | 2012-11 |
| Oil | LONG-BELL OIL UNIT #4 | TANA OIL AND GAS CORPORATION | 78k | 605k | 1995-08 | 2009-01 |
| Oil | TEXACO FEE UNIT 5 | UNION PACIFIC RESOURCES COMPANY | 77k | 751k | 1993-06 | 2015-03 |
| Oil | ODOM, R. E. ETAL UNIT 1 | UNION PACIFIC RESOURCES COMPANY | 77k | 236k | 1994-02 | 2025-04 |
| Oil | TEXACO FEE UNIT 2 | UNION PACIFIC RESOURCES COMPANY | 74k | 1.2M | 1993-01 | 2000-08 |
| Oil | KIRBY-BLACK STONE OL | WILD CAT OPERATING COMPANY | 73k | 63k | 1999-04 | 2026-03 |
| Oil | HOBBS UNIT A-19 | SOUTHERN BAY OPERATING, L.L.C. | 67k | 973k | 2002-04 | 2026-03 |
| Oil | BLACKSTONE UNIT A-86 | SWIFT ENERGY OPERATING, LLC | 67k | 342k | 1999-03 | 2026-03 |
| Oil | CHAMPION INTERNATIONAL UNIT | SONAT EXPLORATION COMPANY -TYLER | 65k | 435k | 1993-06 | 1993-11 |
| Oil | CHAMPION INT'L UNIT A-1081 | SWIFT ENERGY COMPANY | 65k | 267k | 1995-04 | 1996-08 |
| Oil | TEXACO CHAMPION INTERNAT'L UNIT | UNION PACIFIC RESOURCES COMPANY | 62k | 409k | 1994-01 | 2007-10 |
| Oil | ARCO-VASTAR UNIT A-1008 | VASTAR RESOURCES, INC. | 62k | 287k | 1993-01 | 1995-09 |
| Oil | TEMPLE INDUSTRIES "A" | UNION PACIFIC RESOURCES COMPANY | 62k | 192k | 1993-03 | 1996-04 |
| Oil | CHAMPION INTN'L UNIT A-1164 | SWIFT ENERGY OPERATING, LLC | 61k | 495k | 1999-03 | 2026-04 |
| Oil | CHAMPION INT'L. UNIT A-1138 | SWIFT ENERGY OPERATING, LLC | 60k | 314k | 1995-03 | 2017-06 |
| Oil | RAYBURN UNIT #4 | TANA OIL AND GAS CORPORATION | 57k | 706k | 1997-12 | 2012-09 |
| Oil | DONNER-BROWN U A-1176 | TEXAS OIL AND GAS OPERATING, LLC | 57k | 457k | 1999-03 | 2012-08 |
| Oil | FISHER UNIT A-522 | UNION PACIFIC RESOURCES COMPANY | 54k | 640k | 1997-09 | 2015-05 |
| Oil | HOBBS UNIT | UNION PACIFIC RESOURCES COMPANY | 54k | 366k | 1995-11 | 1997-01 |
| Oil | BLACKSTONE MIN UNIT A-890 | SWIFT ENERGY OPERATING, LLC | 53k | 378k | 1999-03 | 2026-04 |
| Oil | ARCO FEE OIL UNIT #5 | TANA OIL AND GAS CORPORATION | 53k | 411k | 1995-07 | 2005-11 |
| Oil | CHAMPION INT'L. UNIT A-1175 | UNION PACIFIC RESOURCES COMPANY | 52k | 286k | 1999-01 | 2010-10 |
| Oil | CARTER, W. T. & BRO. "W" | WILLOW CREEK RESOURCES, INC. | 52k | 522k | 1997-09 | 2026-04 |
| Oil | CHAMPION INT'L. UNIT A-450 | SWIFT ENERGY OPERATING, LLC | 51k | 253k | 1995-11 | 2001-11 |
| Oil | BLACKSTONE UNIT A-293 | SWIFT ENERGY OPERATING, LLC | 49k | 101k | 1997-01 | 2026-03 |
| Oil | TEXACO "B" LEASE | UNION PACIFIC RESOURCES COMPANY | 48k | 253k | 1993-01 | 1997-06 |
| Oil | ARCO FEE UNIT 3 | TANA OIL AND GAS CORPORATION | 48k | 249k | 1994-11 | 2012-09 |
| Oil | TEXACO AMI UNIT 2 | TEXACO E & P INC. | 48k | 844k | 1993-06 | 1994-04 |
| Oil | LEE, T.F. | UNITED OIL & MINERALS, INC. | 47k | 221k | 1993-01 | 1997-05 |
| Oil | BSCU USA 27343 | UNION PACIFIC RESOURCES COMPANY | 45k | 629k | 1993-01 | 2023-12 |
| Oil | ARCO-VASTAR UNIT A-246 | VASTAR RESOURCES, INC. | 45k | 237k | 1993-01 | 1995-10 |
| Oil | DONNER-BROWN A-459 | SWIFT ENERGY OPERATING, LLC | 44k | 601k | 1999-09 | 2026-04 |