BLOCK 12 (DEVONIAN)
Field #9250200 · District 10 · --
Leases
12
Operators
9
Cum Oil
300k BBL
Cum Gas
3k MCF
Cum Cond
102 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 |
|---|---|---|---|
| WTG EXPLORATION | 3 | 129k | 2026-04 |
| MEWBOURNE OIL COMPANY | 3 | 0 | 1996-06 |
| ROBERTSON RESOURCES, INC. | 2 | 123k | 2026-03 |
| WIND RIVER ENERGY, INC. | 1 | 36k | 2026-04 |
| BROWNING OIL COMPANY, INC. | 1 | 12k | 2017-12 |
| FINA OIL & CHEMICAL COMPANY | 1 | 0 | -- |
| BVX OPERATING, INC. | 1 | 0 | -- |
Lease Types
Leases (12)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | TASS | WTG EXPLORATION | 95k | 97k | 2009-02 | 2026-04 |
| Oil | B & W | ROBERTSON RESOURCES, INC. | 82k | 153k | 2010-10 | 2026-03 |
| Oil | B&W "A" | ROBERTSON RESOURCES, INC. | 40k | 69k | 2011-03 | 2026-03 |
| Oil | TEXAS UNIVERSITY -EE- | WIND RIVER ENERGY, INC. | 36k | 1.1M | 1993-01 | 2026-04 |
| Oil | STATE OF TEXAS -Q- | WTG EXPLORATION | 34k | 88k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY 27 | BROWNING OIL COMPANY, INC. | 12k | 46k | 2010-10 | 2017-12 |
| Oil | STATE OF TEXAS -P- | WTG EXPLORATION | 0 | 0 | 1993-01 | -- |
| Gas | TEXU -N- | MEWBOURNE OIL COMPANY | 0 | 0 | 1993-01 | -- |
| Gas | TEXU -Q- | MEWBOURNE OIL COMPANY | 0 | 0 | 1993-01 | 1993-10 |
| Gas | TEXU -N- | MEWBOURNE OIL COMPANY | 0 | 3k | 1993-01 | 1996-06 |
| Gas | TEXU -G- | FINA OIL & CHEMICAL COMPANY | 0 | 0 | 1993-01 | -- |
| Oil | BLOCK 12 | BVX OPERATING, INC. | 0 | 0 | 2013-02 | -- |