BLOCK 31 (DEVONIAN)
Field #9358450 · District 10 · --
Leases
79
Operators
33
Cum Oil
17.5M BBL
Cum Gas
59.2M MCF
Cum Cond
237k 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 |
|---|---|---|---|
| OXY USA INC. | 44 | 15.2M | 2026-04 |
| SLANT OPERATING, LLC | 16 | 1.5M | 2026-04 |
| WALSH & WATTS, INC. | 4 | 268k | 2026-04 |
| BP AMERICA PRODUCTION COMPANY | 4 | 67k | 2012-06 |
| SCOUT ENERGY MANAGEMENT LLC | 3 | 457k | 2026-04 |
| MURPHY OIL USA, INC. | 2 | 6k | 1998-10 |
| UNIVERSAL RESOURCES CORP. | 1 | 39k | 2026-04 |
| APACHE CORPORATION | 1 | 0 | -- |
| ARCO OIL & GAS CO. | 1 | 169 | 1993-02 |
| SAHARA OPERATING COMPANY | 1 | 3k | 1995-11 |
Lease Types
Leases (79)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | BLOCK 31 UNIT | OXY USA INC. | 15.2M | 970.8M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -42- | SLANT OPERATING, LLC | 542k | 694k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY #1 | SCOUT ENERGY MANAGEMENT LLC | 240k | 2.4M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY DEVONIAN A 37 | SLANT OPERATING, LLC | 226k | 537k | 2011-12 | 2026-04 |
| Oil | UNIVERSITY O 25 | SLANT OPERATING, LLC | 199k | 1.4M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY 48 | SLANT OPERATING, LLC | 167k | 476k | 2013-04 | 2026-04 |
| Oil | UNIVERSITY 25A | SLANT OPERATING, LLC | 133k | 1.1M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -A- | SCOUT ENERGY MANAGEMENT LLC | 116k | 3.3M | 1993-01 | 2026-04 |
| Oil | STATE -LB- | SCOUT ENERGY MANAGEMENT LLC | 100k | 1.0M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY "C" | WALSH & WATTS, INC. | 95k | 141k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY "B" | WALSH & WATTS, INC. | 68k | 96k | 1993-01 | 2026-02 |
| Oil | UNIVERSITY -36B- | SLANT OPERATING, LLC | 61k | 361k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -36A- | SLANT OPERATING, LLC | 61k | 1.1M | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -A- | WALSH & WATTS, INC. | 54k | 140k | 1993-01 | 2020-11 |
| Oil | UNIVERSITY | WALSH & WATTS, INC. | 51k | 418k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -H- | UNIVERSAL RESOURCES CORP. | 39k | 410k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY | SBJ OIL & GAS, LLC | 35k | 57k | 2007-06 | 2026-04 |
| Oil | UNIVERSITY -U- | BP AMERICA PRODUCTION COMPANY | 32k | 53k | 1993-01 | 2006-06 |
| Oil | ATLANTIC UNIVERSITY | SLANT OPERATING, LLC | 30k | 835k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY 38 -A- | BP AMERICA PRODUCTION COMPANY | 22k | 589k | 1993-01 | 2012-06 |
| Oil | UNIVERSITY 38B | SLANT OPERATING, LLC | 20k | 272k | 1993-01 | 2023-07 |
| Oil | UNIVERSITY -35- | SLANT OPERATING, LLC | 16k | 897k | 1993-01 | 2005-10 |
| Oil | KING 29 | SLANT OPERATING, LLC | 13k | 26k | 2014-12 | 2022-10 |
| Oil | UNIVERSITY 35A | SLANT OPERATING, LLC | 13k | 234k | 1993-01 | 2026-04 |
| Oil | UNIVERSITY -38- | BP AMERICA PRODUCTION COMPANY | 12k | 217k | 1993-01 | 2005-03 |
| Oil | UNIVERSITY -U- | WTG EXPLORATION | 9k | 0 | 2008-12 | 2025-01 |
| Oil | UNIVERSITY -C- | MURPHY OIL USA, INC. | 6k | 17k | 1993-01 | 1998-10 |
| Oil | UNIVERSITY -3031- | SAHARA OPERATING COMPANY | 3k | 653 | 1993-01 | 1995-11 |
| Oil | UNIVERSITY 44 | SLANT OPERATING, LLC | 1k | 566 | 2014-10 | 2015-08 |
| Oil | UNIVERSITY -37- | ARCO OIL & GAS CO. | 169 | 163 | 1993-01 | 1993-02 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 884k | 2010-06 | 2026-04 |
| Oil | UNIVERSITY "B" | MURPHY OIL USA, INC. | 0 | 0 | 1993-01 | -- |
| Gas | UNIVERSITY 35 | SLANT OPERATING, LLC | 0 | 296k | 2005-11 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 617k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 17k | 2015-08 | 2018-06 |
| Gas | BLOCK 31 UNIT "N" | BP AMERICA PRODUCTION COMPANY | 0 | 0 | 2005-09 | -- |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 212k | 2019-05 | 2024-10 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.7M | 2004-03 | 2026-04 |
| Oil | UNIVERSITY A 37 | APACHE CORPORATION | 0 | 0 | 2011-11 | -- |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 4.1M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 112k | 2018-05 | 2023-01 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 379k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 2.6M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 354k | 2015-08 | 2023-02 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 2.7M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 427k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 146k | 2023-05 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 462k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 152k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 7.8M | 2007-08 | 2026-03 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.1M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 228k | 2017-05 | 2026-04 |
| Gas | UNIVERSITY 38 | SLANT OPERATING, LLC | 0 | 111k | 2005-04 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 4.9M | 2006-07 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.8M | 2005-10 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 879k | 2017-05 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 3.1M | 2006-05 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 449k | 2023-05 | 2026-04 |
| Gas | UNIVERSITY 38 -A- | SLANT OPERATING, LLC | 0 | 75k | 2012-07 | 2023-06 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 624k | 2019-03 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 5.0M | 2004-02 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 634k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 3.2M | 2004-05 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 172k | 2023-05 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 249k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 872k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.2M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 327k | 2019-03 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 2.4M | 2019-03 | 2026-02 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 734k | 2015-10 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 713k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 266k | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.9M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 2.0M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 79k | 2023-06 | 2026-01 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.3M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 314k | 2023-05 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 1.4M | 2015-08 | 2026-04 |
| Gas | BLOCK 31 UNIT | OXY USA INC. | 0 | 116k | 2023-05 | 2026-04 |