HEADLEE, N. (DEVONIAN)
Field #39971500 · District 10 · --
Leases
24
Operators
31
Cum Oil
1.2M BBL
Cum Gas
71k MCF
Cum Cond
18k 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 | 12 | 426k | 2026-04 |
| SLANT OPERATING, LLC | 5 | 641k | 2026-04 |
| FOUR STAR OIL AND GAS COMPANY | 2 | 30k | 2008-10 |
| TEXON OIL COMPANY, INC. | 1 | 56k | 2016-08 |
| TORCH OPERATING LLC | 1 | 0 | 2026-04 |
| CABAL ENERGY CORPORATION | 1 | 867 | 2007-01 |
| AMOCO PRODUCTION COMPANY | 1 | 0 | -- |
| MARTIN, JIMMY INC | 1 | 75k | 2022-02 |
Lease Types
Leases (24)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | RATLIFF, SALLIE W. | SLANT OPERATING, LLC | 405k | 3.5M | 1993-01 | 2026-04 |
| Oil | RATLIFF RANCH -A- | UNION PACIFIC RESOURCES COMPANY | 155k | 1.5M | 1993-06 | 2026-04 |
| Oil | RATLIFF, S. W., -A- | SLANT OPERATING, LLC | 125k | 787k | 1993-01 | 2026-04 |
| Oil | BARROW, AUGUSTA | SLANT OPERATING, LLC | 100k | 937k | 1993-01 | 2026-04 |
| Oil | HOUSTON ENDOWMENT | MARTIN, JIMMY INC | 75k | 833k | 1993-11 | 2022-02 |
| Oil | RATLIFF -K- | UNION PACIFIC RESOURCES COMPANY | 57k | 330k | 1993-01 | 2012-05 |
| Oil | POOL | TEXON OIL COMPANY, INC. | 56k | 21 | 1993-01 | 2016-08 |
| Oil | RATLIFF, SALLIE W.-D- | UNION PACIFIC RESOURCES COMPANY | 49k | 378k | 1993-01 | 2026-04 |
| Oil | RATLIFF RANCH -I- | UNION PACIFIC RESOURCES COMPANY | 43k | 389k | 1994-01 | 2026-04 |
| Oil | RATLIFF, SALLIE -B- | UNION PACIFIC RESOURCES COMPANY | 33k | 942k | 1993-01 | 2019-04 |
| Oil | HEADLEE DEVONIAN UNIT | FOUR STAR OIL AND GAS COMPANY | 30k | 914k | 1993-01 | 2008-10 |
| Oil | S. W. RATLIFF -L- | UNION PACIFIC RESOURCES COMPANY | 28k | 274k | 1998-03 | 2015-10 |
| Oil | RATLIFF RANCH -B- | UNION PACIFIC RESOURCES COMPANY | 27k | 252k | 1993-09 | 2006-11 |
| Oil | RATLIFF "H" | UNION PACIFIC RESOURCES COMPANY | 22k | 517k | 1993-01 | 2013-08 |
| Oil | RATLIFF RANCH "A" | SLANT OPERATING, LLC | 12k | 28k | 2013-05 | 2026-02 |
| Oil | RATLIFF "J" | UNION PACIFIC RESOURCES COMPANY | 9k | 35k | 1994-12 | 2016-05 |
| Oil | RATLIFF "G" | UNION PACIFIC RESOURCES COMPANY | 3k | 20k | 1993-01 | 1995-01 |
| Oil | BARROW, AUGUSTA JVDA 22 | CABAL ENERGY CORPORATION | 867 | 14k | 2005-01 | 2007-01 |
| Oil | MADISON | UNION PACIFIC RESOURCES COMPANY | 650 | 0 | 1998-11 | 1999-01 |
| Oil | RATLIFF, SALLIE -A- | UNION PACIFIC RESOURCES COMPANY | 0 | 0 | 1993-01 | -- |
| Gas | RATLIFF "H" | TORCH OPERATING LLC | 0 | 71k | 2013-08 | 2026-04 |
| Oil | BARROW WIW | SLANT OPERATING, LLC | 0 | 0 | 2023-10 | -- |
| Oil | RATLIFF, SALLIE | FOUR STAR OIL AND GAS COMPANY | 0 | 0 | 1993-01 | -- |
| Oil | RATLIFFRANCH -K- | AMOCO PRODUCTION COMPANY | 0 | 0 | 1995-05 | -- |