BLOCK 4 (DEVONIAN)
Field #9144200 · District 9 · --
Leases
10
Operators
22
Cum Oil
24k BBL
Cum Gas
2.0M MCF
Cum Cond
37k 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 |
|---|---|---|---|
| OCTANE ENERGY OPERATING, LLC | 2 | 8k | 2023-01 |
| OPAL RESOURCES OPERATING CO.,LLC | 2 | 2k | 2014-10 |
| MARATHON OIL COMPANY | 2 | 0 | 2011-02 |
| ROCKPORT ENERGY SOLUTIONS LLC | 1 | 0 | 2023-01 |
| XOG OPERATING LLC | 1 | 0 | -- |
| APACHE CORPORATION | 1 | 0 | -- |
| MHM PIPELINE CO., INC. | 1 | 14k | 2026-01 |
Lease Types
Leases (10)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | UNIVERSITY -B15- | MHM PIPELINE CO., INC. | 14k | 511k | 1993-01 | 2026-01 |
| Oil | UNIVERSITY | OCTANE ENERGY OPERATING, LLC | 8k | 550k | 1993-01 | 2023-01 |
| Oil | RUBY | OPAL RESOURCES OPERATING CO.,LLC | 2k | 4k | 2013-12 | 2014-10 |
| Gas | UNIVERSITY 4 "9" H | ROCKPORT ENERGY SOLUTIONS LLC | 0 | 472k | 2001-09 | 2023-01 |
| Oil | UNIVERSITY -22A- | XOG OPERATING LLC | 0 | 0 | 1993-01 | -- |
| Oil | AQUAMARINE | OPAL RESOURCES OPERATING CO.,LLC | 0 | 0 | 2014-11 | -- |
| Gas | UNIVERSITY "22" | MARATHON OIL COMPANY | 0 | 558k | 1993-01 | 2011-02 |
| Oil | UNIVERSITY 4-30 | APACHE CORPORATION | 0 | 0 | 2020-01 | -- |
| Gas | UNIVERSITY 4 "15" H | ROCKPORT ENERGY SOLUTIONS LLC | 0 | 976k | 2001-05 | 2022-12 |
| Oil | UNIVERSITY "22" | MARATHON OIL COMPANY | 0 | 0 | 1997-10 | -- |