42-507-30931
Long String CasingMATTHEWS NED
ZAVALA County · District 1 · WILLIAMSON OPERATING CO. · PRYOR RANCH WEST (OLMOS)
Permits
1
Max Depth
2,700 ft
First Permit
1977-10-31
Latest Activity
1977-10-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1981-07-20
Shut-In
—
Plugged
2016-12-28
!
EWA / Permit operator mismatch
Scheduling: WILLIAMSON OPERATING CO. ≠ Permit: MORMAC OIL & GAS CO.
Resolved via: scheduling → WILLIAMSON OPERATING CO.
Production Summary
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-03
Operator History
originally filed by MORMAC OIL & GAS CO. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Permit History (1)
Permit Applications (1)
#10973 A MORMAC OIL & GAS CO.
received 1977-10-31
Well Details
- Well Number
- 15
- Max Depth
- 2,700 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- WILLIAMSON OPERATING CO.
- Completed
- 1981-07-20
Operator
- Name
- WILLIAMSON OPER CO
- Location
- UVALDE
- P-5 Status
- Y (filed 2025-08-04)
- Cum Oil (all leases)
- 15,399 bbl
- Cum Gas (all leases)
- 148,258 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4