42-211-31903
Final CompletionMATHERS
HEMPHILL County · District 10 · SEAGULL ENERGY E&P INC. · GILL RANCH (SWEETWATER SAND)
Permits
3
Max Depth
12,300 ft
First Permit
1989-03-02
Latest Activity
2009-07-01
Lifespan
20 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-05-07
Shut-In
—
Plugged
—
!
EWA / Production operator mismatch
Scheduling: SEAGULL ENERGY E&P INC. ≠ Production: MMGL TXPH, LLC (reported 2025-12)
!
EWA / Permit operator mismatch
Scheduling: SEAGULL ENERGY E&P INC. ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.
Resolved via: production → MMGL TXPH, LLC
Production Summary
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-03
Operator History
Chain of Custody
MARSH OPERATING COMPANY 1993-1995→ SEAGULL MIDCON INC. 1996-1998→ SEAGULL ENERGY E&P INC. 1998-2000→ OCEAN ENERGY, INC. 2000-2003→ DEVON LOUISIANA CORPORATION 2003-2005→ DEVON ENERGY PRODUCTION CO, L.P. 2006-2016→ TECOLOTE ENERGY OPERATING, LLC 2016-2019→ BLACKBEARD OPERATING, LLC 2020-2023→ MMGL TXPH, LLC 2023-2025
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)
#682574 A DEVON ENERGY PRODUCTION CO, L.P.
received 2009-06-26
#386563 A MARSH OPERATING COMPANY
received 1991-04-09
#356102 A MARSH OPERATING COMPANY
received 1989-02-15
Well Details
- Well Number
- 1023
- Max Depth
- 12,300 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- SEAGULL ENERGY E&P INC.
- Completed
- 1991-05-07
Operator
- Name
- SEAGULL ENGY E&P INC
- Location
- HOUSTON
- P-5 Status
- Y (filed 2016-02-05)
- Cum Oil (all leases)
- 568,707 bbl
- Cum Gas (all leases)
- 130,017,827 mcf
- Total Permits
- 172