42-211-31641
SHUT INLOCKHART TOM #2
HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · FELDMAN (TONKAWA)
Permits
1
Max Depth
8,000 ft
First Permit
1984-01-05
Latest Activity
1984-01-05
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-04-30
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: PRESIDIO PETROLEUM LLC ≠ Production: UNIT PETROLEUM COMPANY (reported 2021-03)
EWA / Permit operator mismatch
Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: UNIT DRILLING & EXPL. CO.
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
originally filed by UNIT DRILLING & EXPL. CO. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,618 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE | 3,950 ft | -1,332 ft |
| DOUGLAS SAND (Douglas) | 6,980 ft | -4,362 ft |
| UPPER TONKAWA SAND (Tonkawa) | 7,610 ft | -4,992 ft |
| LOWER TONKAWA SAND (Tonkawa) | 7,680 ft | -5,062 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 (6)
| Interval | Type |
|---|---|
| 7,688–7,691 ft | Perforated |
| 7,698–7,700 ft | Perforated |
| 7,705–7,707 ft | Perforated |
| 7,710–7,714 ft | Perforated |
| 7,719–7,721 ft | Perforated |
| 7,736–7,741 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,506 ft | 875 sx |
| 4.5" | 7,869 ft | 300 sx |
Permit History (1)
Applications (2)
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
- 1985-04-30
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