GRANTHAM (TANNEHILL)
Field #36421400 · District 11 · --
Leases
6
Operators
2
Cum Oil
587k BBL
Cum Gas
0 MCF
Production
1993-10 — 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 |
|---|---|---|---|
| SULLIVAN, HOLLIS R. INC. | 6 | 587k | 2026-04 |
Lease Types
Leases (6)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | DUDLEY | SULLIVAN, HOLLIS R. INC. | 205k | 45 | 1994-09 | 2020-04 |
| Oil | PITCHFORK - TOREADOR 2 | SULLIVAN, HOLLIS R. INC. | 134k | 14 | 2003-04 | 2026-04 |
| Oil | PITCHFORK UNIT | SULLIVAN, HOLLIS R. INC. | 106k | 0 | 2006-12 | 2026-04 |
| Oil | YOUNG | SULLIVAN, HOLLIS R. INC. | 96k | 0 | 2004-04 | 2021-02 |
| Oil | GRANTHAM "D" | SULLIVAN, HOLLIS R. INC. | 36k | 71 | 2002-01 | 2022-07 |
| Oil | GRANTHAM A | SULLIVAN, HOLLIS R. INC. | 10k | 12 | 1993-10 | 1995-11 |