HARPER
Field #39176001 · District 10 · --
Leases
78
Operators
113
Cum Oil
7.6M BBL
Cum Gas
0 MCF
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 |
|---|---|---|---|
| WALSH & WATTS, INC. | 7 | 2.0M | 2026-04 |
| TEXACO E & P INC. | 6 | 341k | 2026-04 |
| SHERIDAN PRODUCTION COMPANY, LLC | 5 | 90k | 2026-04 |
| STEPHENS, AUTRY C. | 4 | 223k | 2026-04 |
| TUMBLEWEED ENERGY LIMITED | 4 | 206k | 2026-04 |
| UNION OIL COMPANY OF CALIFORNIA | 4 | 137k | 2026-02 |
| SECO PRODUCTION COMPANY | 2 | 6k | 1998-05 |
| TRIAG ENERGY OPERATING, INC. | 2 | 29k | 2015-08 |
| BURLESON PETROLEUM, INC. | 2 | 312k | 2026-04 |
| CITATION OIL & GAS CORP. | 2 | 3.0M | 2026-02 |
Lease Types
Leases (78)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | EAST HARPER UNIT | CITATION OIL & GAS CORP. | 2.9M | 843k | 1993-01 | 2026-02 |
| Oil | MOSS | WALSH & WATTS, INC. | 601k | 238k | 1993-01 | 2026-04 |
| Oil | TXL -A- | WALSH & WATTS, INC. | 476k | 99k | 1993-01 | 2026-04 |
| Oil | PARKER -D- | WALSH & WATTS, INC. | 452k | 250k | 1993-01 | 2026-04 |
| Oil | TXL | BURLESON PETROLEUM, INC. | 253k | 125k | 1993-01 | 2026-04 |
| Oil | PARKER, J. E. | SHINNERY OIL COMPANY, INC. | 176k | 69k | 1993-01 | 2026-04 |
| Oil | PARKER, J. E. | T-N-T ENGINEERING, INC. | 167k | 132k | 1993-01 | 2026-04 |
| Oil | W. E. COWDEN | KERRY OIL & GAS, INC. | 156k | 58k | 1993-01 | 2026-04 |
| Oil | PARKER "A" | WALSH & WATTS, INC. | 151k | 254k | 1993-01 | 2026-04 |
| Oil | PARKER "B" | WALSH & WATTS, INC. | 123k | 129k | 1993-01 | 2026-04 |
| Oil | ECTOR -AR- FEE | TEXACO E & P INC. | 115k | 82k | 1993-01 | 2026-04 |
| Oil | PARKER "A" | TUMBLEWEED ENERGY LIMITED | 114k | 8k | 1993-01 | 2026-03 |
| Oil | MOSS, PAUL -C- | UNION OIL COMPANY OF CALIFORNIA | 106k | 51k | 1993-01 | 2026-02 |
| Oil | PARKER | RANGE PRODUCTION COMPANY | 105k | 149k | 1993-01 | 2026-04 |
| Oil | ECTOR -E- FEE /NCT-2/ | TEXACO E & P INC. | 104k | 62k | 1993-01 | 2026-04 |
| Oil | COWDEN, E. F. -A- - -B- | R.K.G. OPERATIONS, INC. | 103k | 36k | 1993-01 | 2026-02 |
| Oil | TXL | WALSH & WATTS, INC. | 103k | 2k | 1993-01 | 2026-04 |
| Oil | MOSS, PAUL '34' | SCYTHIAN, LTD. | 102k | 1k | 1993-01 | 2026-02 |
| Oil | COWDEN-OLIVER | STEPHENS, AUTRY C. | 88k | 60k | 1993-01 | 2026-04 |
| Oil | ECTOR -AM- FEE | B & B PRODUCTION CO | 86k | 99k | 1996-10 | 2026-02 |
| Oil | COWDEN, ELLIOTT F. | CITATION OIL & GAS CORP. | 79k | 46k | 1993-01 | 2011-06 |
| Oil | PARKER | TUMBLEWEED ENERGY LIMITED | 74k | 55k | 1993-01 | 2026-04 |
| Oil | TXL -B- | WALSH & WATTS, INC. | 64k | 2k | 1993-01 | 2026-04 |
| Oil | FRASER, GEO. C. -B- | BURLESON PETROLEUM, INC. | 60k | 76k | 1993-01 | 2026-04 |
| Oil | ECTOR -T- FEE | TEXACO E & P INC. | 57k | 38k | 1993-01 | 2026-04 |
| Oil | COWDEN, W. E. | STEPHENS, AUTRY C. | 53k | 10k | 1993-01 | 2026-03 |
| Oil | ECTOR -H- FEE | TEXACO E & P INC. | 52k | 30k | 1993-01 | 2026-04 |
| Oil | COWDEN -H- | STEPHENS, AUTRY C. | 49k | 10k | 1993-01 | 2026-04 |
| Oil | PARKER, J. E. -A- /EO/ | FIVESTONES ENERGY LLC | 46k | 33k | 1993-01 | 2025-09 |
| Oil | PARKER MINERALS 4 | SHERIDAN PRODUCTION COMPANY, LLC | 44k | 54k | 2010-11 | 2026-04 |
| Oil | PARKER, J. E. -A- | TEXAS CRUDE OPERATOR, INC. | 41k | 27k | 1993-01 | 2026-03 |
| Oil | COWDEN | B. W. P., INC. | 39k | 13k | 1993-01 | 2026-04 |
| Oil | ECTOR -G- FEE | SCHLACHTER, DAVID A. | 35k | 80 | 1993-01 | 2026-04 |
| Oil | ECTOR -F- FEE | TOPAT OIL CORPORATION | 33k | 48 | 1993-01 | 2026-03 |
| Oil | COWDEN "B" BATTERY 2 | STEPHENS, AUTRY C. | 32k | 61k | 1993-01 | 2025-12 |
| Oil | PARKER, J. E. -B- | PEN-TEX PRODUCTION CO. INC. | 31k | 103k | 1993-01 | 2026-04 |
| Oil | PHILLIPS-TXL-31- | RUST OIL CORP. | 30k | 18k | 1993-01 | 2024-03 |
| Oil | COWDEN -A- | TRIAG ENERGY OPERATING, INC. | 29k | 15 | 1993-01 | 2015-08 |
| Oil | PARKER MINERALS 16 | SHERIDAN PRODUCTION COMPANY, LLC | 27k | 46k | 2010-07 | 2024-10 |
| Oil | MOSS, PAUL, ETAL -A- | GRAY, W. H. OPERATING | 25k | 7k | 1993-01 | 2026-04 |
| Oil | ARGO-MOSS -B- | UNION OIL COMPANY OF CALIFORNIA | 23k | 71k | 1993-01 | 2026-02 |
| Oil | PARKER, ET AL | TEXAS CRUDE OPERATOR, INC. | 19k | 5k | 1993-01 | 2026-03 |
| Oil | PARKER, J. E. -A- | TUSH CO. | 18k | 29k | 1993-01 | 2026-04 |
| Oil | PARKER -B- | TUMBLEWEED ENERGY LIMITED | 17k | 24 | 1993-01 | 2017-09 |
| Oil | PARKER MINERALS 9A | SHERIDAN PRODUCTION COMPANY, LLC | 16k | 22k | 2011-01 | 2026-04 |
| Oil | ECTOR -AN- FEE | TOPAT OIL CORPORATION | 14k | 47 | 1993-01 | 2026-03 |
| Oil | ECTOR -E- FEE /NCT-1/ | TEXACO E & P INC. | 13k | 20k | 1993-01 | 2026-04 |
| Oil | MOSS -C- | SWANSON, TOMMY OIL COMPANY, INC. | 11k | 21 | 1993-01 | 2020-10 |
| Oil | PARKER | STROUD, E. L. OIL & GAS COMPANY | 8k | 4k | 1993-01 | 2010-10 |
| Oil | ARGO-MOSS | UNION OIL COMPANY OF CALIFORNIA | 8k | 1k | 1993-01 | 2023-04 |
| Oil | ECTOR -AP- FEE | SUNRAY ENERGY, INC. | 8k | 55 | 1993-01 | 2012-10 |
| Oil | FRASER, GEO. C. -A- | WATER ENERGY SERVICES, LLC | 6k | 4k | 1993-01 | 2005-05 |
| Oil | SHELL-COWDEN | BENNETT, R. C., COMPANY | 5k | 4k | 1993-01 | 1994-05 |
| Oil | ECTOR -AO- FEE | HEAD, WAYNE | 4k | 0 | 1993-01 | 2026-01 |
| Oil | TXL-X | OXY USA WTP LP | 4k | 124 | 1993-01 | 1995-08 |
| Oil | COWDEN -C- | SECO PRODUCTION COMPANY | 4k | 23 | 1993-01 | 1998-05 |
| Oil | PARKER MINERALS 9B | SHERIDAN PRODUCTION COMPANY, LLC | 4k | 3k | 2011-01 | 2014-08 |
| Oil | PARKER | PRAIRIE CRUDE, INC. | 3k | 42 | 1993-01 | 1997-12 |
| Oil | MOSS, PAUL ESTATE | RUST OIL CORP. | 2k | 304 | 1996-06 | 2013-08 |
| Oil | FEE-10 | TUMBLEWEED ENERGY LIMITED | 2k | 27 | 1993-01 | 2023-09 |
| Oil | PARKER, J. E. -16- | SECO PRODUCTION COMPANY | 1k | 21 | 1993-01 | 1996-05 |
| Oil | CROSS | T.O.I. | 1k | 20 | 1993-01 | 2024-02 |
| Oil | COWDEN, HARPER | YUCCA ENERGY, INC. | 1k | 125 | 1994-07 | 1995-08 |
| Oil | W.E. COWDEN -B- | KERRY OIL & GAS, INC. | 781 | 183 | 1993-01 | 1997-03 |
| Oil | PARKER, J. E. | EMPIRE OIL & GAS CO. | 684 | 4k | 1993-01 | 1995-08 |
| Oil | MOSS, PAUL -48- | CHASE, MACK C. | 537 | 92 | 1993-01 | 1996-10 |
| Oil | COWDEN "E" | YUCCA ENERGY, INC. | 495 | 212 | 1993-01 | 1993-06 |
| Oil | COWDEN | TRIAG ENERGY OPERATING, INC. | 0 | 0 | 1993-01 | -- |
| Oil | PAUL MOSS SWD | C & C SYSTEMS, INC. | 0 | 0 | 1993-01 | -- |
| Oil | PARKER, J. E. | BARNETT ENERGY, INC. | 0 | 0 | 1993-01 | -- |
| Oil | EL CAPITAN WATER SUPPLY WELL | OXY USA WTP LP | 0 | 0 | 1993-01 | -- |
| Oil | KLOH, A., ET AL -G- /NCT-C/ | O'RYAN OIL AND GAS | 0 | 0 | 1993-01 | -- |
| Oil | MOSS-HARPER, PAUL | UNION OIL COMPANY OF CALIFORNIA | 0 | 0 | 1993-01 | -- |
| Oil | ECTOR -C- FEE NCT-1 | TEXACO E & P INC. | 0 | 0 | 1993-01 | -- |
| Oil | MOSS E | OXY USA WTP LP | 0 | 0 | 1994-08 | -- |
| Oil | CVX 3 | SHERIDAN PRODUCTION COMPANY, LLC | 0 | 0 | 2012-11 | -- |
| Oil | CROSS | TRACY PRODUCTION CO., INC. | 0 | 0 | 1993-01 | -- |
| Oil | FEE-10A | MAC S.W.D. | 0 | 0 | 1993-01 | -- |