VIEJOS (DEVONIAN)
Field #93771200 · District 10 · --
Leases
29
Operators
11
Cum Oil
851k BBL
Cum Gas
9.4M MCF
Cum Cond
124k 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 |
|---|---|---|---|
| SHENANDOAH PETROLEUM CORPORATION | 15 | 571k | 2026-04 |
| RW OPERATING CORP. | 3 | 50k | 2013-10 |
| FULLER PRODUCTION, INC. | 2 | 46k | 2011-07 |
| SIMATA ENERGY, LLC | 2 | 118k | 2026-04 |
| TELESIS OPERATING CO., INC. | 2 | 0 | 2003-11 |
| PERISCOPE OPERATING LLC | 2 | 54k | 2026-04 |
| GREAT WESTERN DRILLING COMPANY | 1 | 8k | 2015-03 |
| PARALLEL PETROLEUM LLC | 1 | 0 | 2013-03 |
| AEC OPERATING COMPANY | 1 | 4k | 1996-08 |
Lease Types
Leases (29)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | UNIVERSITY "9" | SHENANDOAH PETROLEUM CORPORATION | 212k | 2.3M | 1994-04 | 2026-04 |
| Oil | UNIVERSITY "4" | SHENANDOAH PETROLEUM CORPORATION | 199k | 6.2M | 1993-07 | 2026-04 |
| Oil | UNIVERSITY 9 | SIMATA ENERGY, LLC | 118k | 1.2M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY MCDANIELS "9" | SHENANDOAH PETROLEUM CORPORATION | 92k | 40k | 1995-06 | 2026-04 |
| Oil | ST. GENEVIEVE UNIV 19-20 | PERISCOPE OPERATING LLC | 54k | 217k | 2011-11 | 2026-04 |
| Oil | UNIVERSITY 8 | FULLER PRODUCTION, INC. | 46k | 1.4M | 1993-01 | 2011-01 |
| Oil | UNIVERSITY "4A" | SHENANDOAH PETROLEUM CORPORATION | 36k | 2.8M | 1995-06 | 2000-09 |
| Oil | UNIVERSITY 17 | RW OPERATING CORP. | 29k | 889k | 1993-01 | 2013-10 |
| Oil | UNIVERSITY "10A" | SHENANDOAH PETROLEUM CORPORATION | 19k | 2k | 1998-06 | 2026-04 |
| Oil | UNIVERSITY 16 | RW OPERATING CORP. | 17k | 960k | 1993-01 | 1999-04 |
| Oil | UNIVERSITY "8" | SHENANDOAH PETROLEUM CORPORATION | 14k | 1.1M | 1994-04 | 1999-03 |
| Oil | UNIVERSITY 19-20 | GREAT WESTERN DRILLING COMPANY | 8k | 147k | 2007-12 | 2015-03 |
| Oil | UNIVERSITY "16-8" | RW OPERATING CORP. | 4k | 55k | 1995-03 | 2001-09 |
| Oil | UNIVERSITY "5" | AEC OPERATING COMPANY | 4k | 465k | 1994-05 | 1996-08 |
| Gas | UNIVERSITY "8" | SHENANDOAH PETROLEUM CORPORATION | 0 | 782k | 1999-04 | 2026-04 |
| Gas | UNIVERSITY "4A" | SHENANDOAH PETROLEUM CORPORATION | 0 | 1.2M | 2000-10 | 2024-08 |
| Gas | UNIVERSITY 8 | FULLER PRODUCTION, INC. | 0 | 298k | 2001-07 | 2011-07 |
| Gas | UNIVERSITY 16 | SIMATA ENERGY, LLC | 0 | 1.0M | 1999-04 | 2023-06 |
| Gas | UNIVERSITY "5" | TELESIS OPERATING CO., INC. | 0 | 403k | 1996-08 | 2003-10 |
| Gas | UNIVERSITY "4" | SHENANDOAH PETROLEUM CORPORATION | 0 | 581k | 2000-10 | 2026-04 |
| Gas | UNIVERSITY 5 | TELESIS OPERATING CO., INC. | 0 | 430k | 1996-02 | 2003-11 |
| Oil | UNIVERSITY 19-20 | PERISCOPE OPERATING LLC | 0 | 0 | 2013-06 | -- |
| Gas | UNIVERSITY "4" | SHENANDOAH PETROLEUM CORPORATION | 0 | 578k | 2000-10 | 2026-04 |
| Gas | ST. GENEVIEVE UNIV 19-20 | PARALLEL PETROLEUM LLC | 0 | 226k | 2011-07 | 2013-03 |
| Gas | UNIVERSITY "4" | SHENANDOAH PETROLEUM CORPORATION | 0 | 478k | 2000-11 | 2022-12 |
| Gas | UNIVERSITY "4" | SHENANDOAH PETROLEUM CORPORATION | 0 | 415k | 2000-10 | 2014-09 |
| Gas | UNIVERSITY "4A" | SHENANDOAH PETROLEUM CORPORATION | 0 | 843k | 2000-10 | 2026-04 |
| Gas | UNIVERSITY "4" | SHENANDOAH PETROLEUM CORPORATION | 0 | 838k | 2000-10 | 2022-09 |
| Gas | UNIVERSITY "4A" | SHENANDOAH PETROLEUM CORPORATION | 0 | 1.3M | 2000-10 | 2026-03 |