42-211-31434
Final CompletionLOCKHART B
HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · FELDMAN (TONKAWA)
Permits
1
Max Depth
8,000 ft
First Permit
1981-12-10
Latest Activity
1981-12-10
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1982-04-16
Shut-In
—
Plugged
2011-11-10
EWA / Permit operator mismatch
Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: TXO PRODUCTION CORP.
Resolved via: scheduling → PRESIDIO PETROLEUM LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,640 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE | 3,930 ft | -1,290 ft |
| PENN SHALE (Pennsylvanian) | 5,670 ft | -3,030 ft |
| DOUGLAS | 6,840 ft | -4,200 ft |
| TONKAWA | 7,640 ft | -5,000 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (2)
| Interval | Type |
|---|---|
| 7,055–7,084 ft | Perforated |
| 7,650–7,756 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,190 ft | 1,550 sx |
| 2.375" | 7,762 ft | — |
| 4.5" | 7,850 ft | 275 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 2
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- PRESIDIO PETROLEUM LLC
- Completed
- 1982-04-16
Operator
- Name
- PRESIDIO PETRO LLC
- Location
- CANADIAN
- P-5 Status
- Active (filed 2026-05-01)
- Cum Oil (all leases)
- 5,427,043 bbl
- Cum Gas (all leases)
- 184,872,360 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 13