42-211-34966
Final Completion HorizontalLOCKHART B
HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · FELDMAN (TONKAWA)
Permits
1
Max Depth
7,900 ft
First Permit
2011-10-26
Latest Activity
2011-10-26
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2012-01-07
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: GRANITE OPERATING COMPANY
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 (6) Elevation 2,635 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANHYDRITE | 3,160 ft | -525 ft |
| BROWN DOLOMITE | 3,905 ft | -1,270 ft |
| BLUE SHALE | 5,241 ft | -2,606 ft |
| BASE HEEBNER-TOP DOUGLAS | 6,955 ft | -4,320 ft |
| TOP LOWER DOUGLAS (Douglas) | 7,183 ft | -4,548 ft |
| TO TONKAWA | 7,600 ft | -4,965 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 (1)
| Interval | Type |
|---|---|
| 7,939–12,067 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,492 ft | 930 sx |
| 7" | 7,086 ft | 242 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 405HB
- Max Depth
- 7,900 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- PRESIDIO PETROLEUM LLC
- Completed
- 2012-01-07
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