BLOCK 31, NW. (PENN UPPER)
Field #9362500 · District 10 · --
Leases
16
Operators
25
Cum Oil
1.5M BBL
Cum Gas
0 MCF
Production
1993-01 — 2026-03
Production History
Type Curve (normalized avg across leases)
Click Load to compute type curve from lease data
Top Operators
| OPERATOR | LEASES | OIL (BBL) | LAST |
|---|---|---|---|
| SOUTHLAND ROYALTY CO.-MIDLAND | 2 | 983k | 2026-03 |
| RIM OPERATING, INC. | 2 | 200k | 2026-03 |
| BLACKBEARD OPERATING, LLC | 2 | 187k | 2026-03 |
| PLAINS PETROLEUM OPERATING CO. | 2 | 13k | 2000-04 |
| WALBET, INC. | 1 | 54k | 2026-03 |
| DEVON ENERGY PRODUCTION CO, L.P. | 1 | 3k | 2020-02 |
| RBJ & ASSOCIATES, LLC | 1 | 0 | 2026-03 |
| PHOENIX HYDROCARBONS OPERATING | 1 | 9k | 2000-01 |
| DENVER MINERALS, INC. | 1 | 0 | 1993-03 |
| SIMPSON OIL LLC | 1 | 13k | 2009-06 |
Lease Types
Leases (16)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | WADDELL TR 3 | SOUTHLAND ROYALTY CO.-MIDLAND | 933k | 0 | 1993-01 | 2026-03 |
| Oil | WADDELL TR 1 | BLACKBEARD OPERATING, LLC | 153k | 0 | 2023-02 | 2026-03 |
| Oil | UNIVERSITY BLOCK -31- | RIM OPERATING, INC. | 135k | 0 | 1993-01 | 2026-03 |
| Oil | UNIVERSITY -EP- | RIM OPERATING, INC. | 65k | 0 | 1993-01 | 2026-03 |
| Oil | HENDERSON, M. F. | WALBET, INC. | 54k | 0 | 1993-01 | 2026-03 |
| Oil | WADDELL, W.N. TR. -4- | SOUTHLAND ROYALTY CO.-MIDLAND | 50k | 0 | 1993-01 | 2013-06 |
| Oil | ROADRUNNER 1 | ROCA OPERATING, INC. | 49k | 0 | 2009-12 | 2026-03 |
| Oil | WADDELL TR 4 | BLACKBEARD OPERATING, LLC | 35k | 0 | 2022-08 | 2026-03 |
| Oil | UNIVERSITY 31-8 | STRONGHOLD ENERGY II OPER, LLC | 29k | 0 | 2011-08 | 2026-03 |
| Oil | UNIVERSITY "1-6" | SIMPSON OIL LLC | 13k | 0 | 1993-01 | 2009-06 |
| Oil | UNIVERSITY 4 | PLAINS PETROLEUM OPERATING CO. | 9k | 0 | 1993-01 | 1996-12 |
| Oil | MCGEE, JUNE | PHOENIX HYDROCARBONS OPERATING | 9k | 0 | 1993-01 | 2000-01 |
| Oil | UNIVERSITY BLOCK 31 -A- | PLAINS PETROLEUM OPERATING CO. | 4k | 0 | 1993-01 | 2000-04 |
| Oil | UNIVERSITY 31-6 | DEVON ENERGY PRODUCTION CO, L.P. | 3k | 0 | 2011-04 | 2020-02 |
| Oil | WADDELL, W.N. -4- | RBJ & ASSOCIATES, LLC | 0 | 0 | 2007-03 | 2026-03 |
| Oil | STATE UNIVERSITY | DENVER MINERALS, INC. | 0 | 0 | 1993-01 | 1993-03 |