42-135-35629
Final CompletionRATLIFF H
ECTOR County · District 8 · COG OPERATING LLC · HEADLEE N. (DEVONIAN)
Permits
3
Max Depth
14,000 ft
First Permit
1987-08-26
Latest Activity
1988-04-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-05-09
Shut-In
—
Plugged
—
!
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2025-12)
!
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: SUN EXPL. & PROD. CO.-MIDLAND
Resolved via: production → DIAMONDBACK E&P LLC
Production Summary
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-03
Operator History
Chain of Custody
ANTELOPE PRODUCTION CO. 1993-1993→ AMOCO PRODUCTION COMPANY 1993-1997→ ALTURA ENERGY LTD. 1997-1998→ UNION PACIFIC RESOURCES COMPANY 1998-2001→ RME PETROLEUM COMPANY 2001-2002→ ANADARKO E&P COMPANY LP 2002-2004→ MERIT ENERGY COMPANY 2004-2010→ PDC-WV-CO CORPORATION 2010-2010→ PDC ENERGY 2010-2012→ COG OPERATING LLC 2012-2019→ TORCH OPERATING LLC 2019-2020→ FIREBIRD ENERGY LLC 2020-2022→ DIAMONDBACK E&P LLC 2022-2025
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Permit History (3)
Permit Applications (3)
#345470 A SUN EXPL. & PROD. CO.-MIDLAND
received 1988-04-20
#341665 A SUN EXPL. & PROD. CO.-MIDLAND
received 1988-01-20
#335121 A SUN EXPL. & PROD. CO.-MIDLAND
received 1987-08-26
Well Details
- Well Number
- 1
- Max Depth
- 14,000 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 1988-05-09
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- Y (filed 2025-05-02)
- Cum Oil (all leases)
- 627,668,492 bbl
- Cum Gas (all leases)
- 303,100,933 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,469