HOWARD GLASSCOCK (CONSOLIDATED)
Field #42971200 · District 10 · --
Leases
234
Operators
80
Cum Oil
33.5M BBL
Cum Gas
0 MCF
Production
2011-01 — 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 |
|---|---|---|---|
| CONOCOPHILLIPS COMPANY | 35 | 13.0M | 2026-04 |
| LEGACY RESERVES OPERATING LP | 26 | 943k | 2026-04 |
| WASH, ROBERT C. INC. | 20 | 449k | 2026-04 |
| ROVER PETROLEUM OPERATING, LLC | 20 | 3.2M | 2026-04 |
| STERLING OIL AND GAS LLC | 14 | 25k | 2023-08 |
| QUANTUM RESOURCES MANAGEMENT,LLC | 12 | 236k | 2025-12 |
| SHERIDAN PRODUCTION COMPANY, LLC | 12 | 10.1M | 2026-04 |
| SWEET CRUDE OPERATING LLC | 10 | 518k | 2026-04 |
| ARCH OIL & GAS, LLC | 10 | 23k | 2021-04 |
| OAK PRAIRIE OPERATIONS, LLC | 10 | 985k | 2026-04 |
Lease Types
Leases (100)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | GLASSCOCK, HOWARD W. (G-S) UNIT | SHERIDAN PRODUCTION COMPANY, LLC | 5.9M | 43k | 2011-12 | 2026-04 |
| Oil | SETTLES, W. R. -A- | CONOCOPHILLIPS COMPANY | 1.8M | 90k | 2011-12 | 2026-04 |
| Oil | SETTLES, W. R. | CONOCOPHILLIPS COMPANY | 1.5M | 85k | 2011-12 | 2026-04 |
| Oil | ROBERTS, DORA -BDE- | SHERIDAN PRODUCTION COMPANY, LLC | 1.3M | 34k | 2011-12 | 2026-04 |
| Oil | ROBERTS, DORA | SHERIDAN PRODUCTION COMPANY, LLC | 1.3M | 20k | 2011-12 | 2026-04 |
| Oil | KLOH ETAL | APACHE CORPORATION | 1.2M | 69k | 2011-12 | 2026-04 |
| Oil | ROBERTS, DORA | CONOCOPHILLIPS COMPANY | 1.1M | 27k | 2011-12 | 2026-04 |
| Oil | CHALK, G. O. -D- | CONOCOPHILLIPS COMPANY | 1.1M | 252k | 2011-12 | 2026-04 |
| Oil | KLOH | ROVER PETROLEUM OPERATING, LLC | 997k | 0 | 2011-12 | 2026-04 |
| Oil | HYMAN, SARAH | CONOCOPHILLIPS COMPANY | 949k | 234k | 2011-12 | 2026-04 |
| Oil | OVERTON, B. | CONOCOPHILLIPS COMPANY | 891k | 25k | 2011-12 | 2026-04 |
| Oil | CHALK, G. O. -C- | CONOCOPHILLIPS COMPANY | 736k | 111k | 2011-12 | 2026-04 |
| Oil | HOWARD GLASSCOCK EAST UNIT | APACHE CORPORATION | 634k | 0 | 2011-12 | 2026-04 |
| Oil | OWEN-CHALK | CONOCOPHILLIPS COMPANY | 600k | 191k | 2011-12 | 2026-04 |
| Oil | CHALK, G. O. | ROVER PETROLEUM OPERATING, LLC | 563k | 286 | 2011-12 | 2026-04 |
| Oil | EASON, S. T. | CONOCOPHILLIPS COMPANY | 533k | 18k | 2011-12 | 2026-04 |
| Oil | CHALK, G. O.-G- | CONOCOPHILLIPS COMPANY | 496k | 140k | 2011-12 | 2026-04 |
| Oil | WARDER | SHERIDAN PRODUCTION COMPANY, LLC | 492k | 69 | 2011-12 | 2026-04 |
| Oil | CHALK, OTIS | UNITEX OIL & GAS, L.L.C. | 481k | 27k | 2011-12 | 2026-04 |
| Oil | ROBERTS, DORA | APACHE CORPORATION | 464k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK, G.O.-B- | CONOCOPHILLIPS COMPANY | 436k | 90k | 2011-12 | 2026-04 |
| Oil | SETTLES, W. R. | OAK PRAIRIE OPERATIONS, LLC | 426k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK,MARY | CONOCOPHILLIPS COMPANY | 366k | 130k | 2011-12 | 2026-04 |
| Oil | KLOH -A- | SHERIDAN PRODUCTION COMPANY, LLC | 336k | 35 | 2011-12 | 2026-04 |
| Oil | CHALK, G.O.-E- | CONOCOPHILLIPS COMPANY | 321k | 92k | 2011-12 | 2026-04 |
| Oil | CHALK, OTIS | APACHE CORPORATION | 297k | 72k | 2011-12 | 2026-04 |
| Oil | ROBERTS, DORA -A- | SHERIDAN PRODUCTION COMPANY, LLC | 294k | 7k | 2011-12 | 2026-04 |
| Oil | DOUTHIT-B 1 | CONOCOPHILLIPS COMPANY | 266k | 33k | 2011-12 | 2026-04 |
| Oil | KLOH-RUMSEY | LEGACY RESERVES OPERATING LP | 244k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK, SLOAN | CONOCOPHILLIPS COMPANY | 243k | 87k | 2011-12 | 2026-04 |
| Oil | PHILLIPS | ROVER PETROLEUM OPERATING, LLC | 232k | 0 | 2011-12 | 2026-04 |
| Oil | CLAY | ROVER PETROLEUM OPERATING, LLC | 230k | 25k | 2011-12 | 2026-04 |
| Oil | REED BROTHERS DE | ROVER PETROLEUM OPERATING, LLC | 220k | 0 | 2011-12 | 2026-04 |
| Oil | SETTLES, W. R. | SHERIDAN PRODUCTION COMPANY, LLC | 211k | 35 | 2011-12 | 2026-04 |
| Oil | CHALK | LEGACY RESERVES OPERATING LP | 194k | 0 | 2011-12 | 2026-04 |
| Oil | DOUTHIT, E. W. DE | ROVER PETROLEUM OPERATING, LLC | 157k | 33 | 2011-12 | 2026-04 |
| Oil | CHALK, G. O.-A- | CONOCOPHILLIPS COMPANY | 156k | 53k | 2011-12 | 2026-04 |
| Oil | REED, W. N. & L. & R. | CONOCOPHILLIPS COMPANY | 139k | 34k | 2011-12 | 2026-04 |
| Oil | REED-MCDONALD 152 | CONOCOPHILLIPS COMPANY | 138k | 18k | 2011-12 | 2026-04 |
| Oil | REED. L. R & W. N. | ROVER PETROLEUM OPERATING, LLC | 138k | 0 | 2011-12 | 2026-04 |
| Oil | CLAY, H. R. | OAK PRAIRIE OPERATIONS, LLC | 135k | 0 | 2011-12 | 2026-04 |
| Oil | SETTLES-YATES UNIT | CONOCOPHILLIPS COMPANY | 131k | 1k | 2011-12 | 2014-08 |
| Oil | CHALK, G. O. -F- | CONOCOPHILLIPS COMPANY | 126k | 29k | 2011-12 | 2026-04 |
| Oil | CHALK -A- | SWEET CRUDE OPERATING LLC | 126k | 0 | 2011-12 | 2026-04 |
| Oil | OVERTON, B.-A- | CONOCOPHILLIPS COMPANY | 125k | 9k | 2011-12 | 2026-04 |
| Oil | SETTLES -D- | SHERIDAN PRODUCTION COMPANY, LLC | 122k | 0 | 2011-12 | 2026-04 |
| Oil | M. M. EDWARDS | SWEET CRUDE OPERATING LLC | 117k | 1k | 2011-12 | 2026-04 |
| Oil | DOUTHIT | CONOCOPHILLIPS COMPANY | 117k | 43k | 2011-12 | 2026-04 |
| Oil | CLAY, H. R.-E- | QUANTUM RESOURCES MANAGEMENT,LLC | 116k | 0 | 2011-12 | 2025-12 |
| Oil | BATJER, PATTI -B- | OAK PRAIRIE OPERATIONS, LLC | 115k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK ESTATE | CONOCOPHILLIPS COMPANY | 115k | 60k | 2011-12 | 2026-04 |
| Oil | PHILLIPS, H. | APACHE CORPORATION | 114k | 0 | 2011-12 | 2026-04 |
| Oil | DOUTHIT, E. W. -A- | ROVER PETROLEUM OPERATING, LLC | 114k | 0 | 2011-12 | 2026-04 |
| Oil | CLAY, H. R. | WASH, ROBERT C. INC. | 111k | 121 | 2011-12 | 2026-04 |
| Oil | DOUTHIT, E. W. -B- | ROVER PETROLEUM OPERATING, LLC | 107k | 0 | 2011-12 | 2026-04 |
| Oil | REED -A- | CONOCOPHILLIPS COMPANY | 103k | 34k | 2011-12 | 2026-04 |
| Oil | HYMAN-CHALK | CONOCOPHILLIPS COMPANY | 100k | 68k | 2011-12 | 2026-04 |
| Oil | HALL | SWEET CRUDE OPERATING LLC | 97k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK | SHENANDOAH RESOURCES LLC | 94k | 0 | 2011-12 | 2026-02 |
| Oil | CHALK, G. O. | CONOCOPHILLIPS COMPANY | 92k | 46k | 2011-12 | 2026-04 |
| Oil | BATJER, PATTI -C- | OAK PRAIRIE OPERATIONS, LLC | 89k | 0 | 2011-12 | 2026-04 |
| Oil | DOUTHIT, E. W. -C- DE | ROVER PETROLEUM OPERATING, LLC | 88k | 0 | 2011-12 | 2026-04 |
| Oil | HOOKS | MOSS PETROLEUM COMPANY | 87k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK -A- | ROVER PETROLEUM OPERATING, LLC | 86k | 17k | 2011-12 | 2026-04 |
| Oil | CLAY, H. R.-A- | QUANTUM RESOURCES MANAGEMENT,LLC | 86k | 0 | 2011-12 | 2025-12 |
| Oil | DOUTHIT, E. W. -B- DE | ROVER PETROLEUM OPERATING, LLC | 81k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK, OTIS | SAHARA OPERATING COMPANY | 73k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK, OTIS /EO/ | ROVER PETROLEUM OPERATING, LLC | 70k | 23k | 2011-12 | 2026-04 |
| Oil | SOUTHLAND | LEGACY RESERVES OPERATING LP | 65k | 0 | 2011-12 | 2026-04 |
| Oil | CHALK-DUNCAN | CONOCOPHILLIPS COMPANY | 63k | 25k | 2011-12 | 2014-11 |
| Oil | SETTLES, W. R. -A- | WASH, ROBERT C. INC. | 63k | 121 | 2011-12 | 2026-04 |
| Oil | REED -B- | CONOCOPHILLIPS COMPANY | 61k | 17k | 2011-12 | 2026-04 |
| Oil | CHALK, MARY | LEGACY RESERVES OPERATING LP | 61k | 0 | 2011-12 | 2026-04 |
| Oil | COLE | LEGACY RESERVES OPERATING LP | 60k | 0 | 2011-12 | 2026-04 |
| Oil | CITIES-REED | ROVER PETROLEUM OPERATING, LLC | 58k | 0 | 2011-12 | 2025-10 |
| Oil | HOOKS | SOUTHWEST ROYALTIES, INC. | 52k | 0 | 2011-12 | 2026-04 |
| Oil | DOUTHIT UNIT | OAK PRAIRIE OPERATIONS, LLC | 48k | 0 | 2011-12 | 2026-03 |
| Oil | REED "D-142" | OAK PRAIRIE OPERATIONS, LLC | 47k | 0 | 2011-12 | 2026-04 |
| Oil | ROBERTS, DORA, -E- | WASH, ROBERT C. INC. | 46k | 121 | 2011-12 | 2026-04 |
| Oil | DOUTHIT | RCW OIL, LLC | 45k | 121 | 2011-12 | 2026-04 |
| Oil | SETTLES | WASH, ROBERT C. INC. | 45k | 121 | 2011-12 | 2026-04 |
| Oil | COOPER | SWEET CRUDE OPERATING LLC | 43k | 0 | 2014-12 | 2026-04 |
| Oil | KLOH, A. | LEGACY RESERVES OPERATING LP | 43k | 0 | 2011-12 | 2026-04 |
| Oil | EDWARDS -C- | SWEET CRUDE OPERATING LLC | 40k | 0 | 2014-10 | 2026-04 |
| Oil | DOUTHIT, E. W. -N- | OAK PRAIRIE OPERATIONS, LLC | 40k | 0 | 2011-12 | 2026-01 |
| Oil | ST. LOUIE | SAHARA OPERATING COMPANY | 39k | 0 | 2011-12 | 2026-04 |
| Oil | REED -A- | OAK PRAIRIE OPERATIONS, LLC | 39k | 0 | 2011-12 | 2026-04 |
| Oil | CLAY, H. R. -A- | WASH, ROBERT C. INC. | 38k | 121 | 2011-12 | 2026-04 |
| Oil | CHALK, OTIS | KEELEY OIL, L.L.C. | 38k | 0 | 2014-09 | 2021-09 |
| Oil | DOUTHIT, E. W. -A- DE | ROVER PETROLEUM OPERATING, LLC | 36k | 0 | 2011-12 | 2026-04 |
| Oil | SETTLES -A-&-B- | SHERIDAN PRODUCTION COMPANY, LLC | 32k | 35 | 2011-12 | 2026-04 |
| Oil | EASON, S. T.-A- | CONOCOPHILLIPS COMPANY | 31k | 2k | 2011-12 | 2026-04 |
| Oil | SOUTHLAND "A" | LEGACY RESERVES OPERATING LP | 31k | 0 | 2011-12 | 2026-04 |
| Oil | REED-MCDONALD 142 | CONOCOPHILLIPS COMPANY | 30k | 5k | 2014-02 | 2021-12 |
| Oil | STEWART YATES SAND UNIT | WASH, ROBERT C. INC. | 29k | 121 | 2011-12 | 2026-04 |
| Oil | BOWEN, JOHN | LEGACY RESERVES OPERATING LP | 29k | 0 | 2011-12 | 2026-04 |
| Oil | BATJER, PATTI | OAK PRAIRIE OPERATIONS, LLC | 29k | 0 | 2011-12 | 2026-04 |
| Oil | SOUTHLAND -B- | LEGACY RESERVES OPERATING LP | 28k | 0 | 2011-12 | 2026-04 |
| Oil | TURNER, SAM | VISION NATURAL RESOURCES, LP | 27k | 2k | 2014-11 | 2026-04 |
| Oil | ROBERTS, DORA YATES WATERFLOOD | APACHE CORPORATION | 26k | 0 | 2011-12 | 2026-04 |