42-211-34995
PRODUCING HorizontalLOCKHART A 36
HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · FELDMAN (TONKAWA)
Permits
1
Max Depth
8,000 ft
First Permit
2012-01-10
Latest Activity
2012-01-10
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-04-24
Shut-In
—
Plugged
—
P-5 Org Status: Active
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 (5) Elevation 2,578 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANHYDRITE | 3,125 ft | -547 ft |
| BROWN DOLOMITE | 3,869 ft | -1,291 ft |
| BLUE SHALE | 5,228 ft | -2,650 ft |
| BASE HEEBNER / TOP DOUGLAS | 6,982 ft | -4,404 ft |
| TOP TONKAWA (Tonkawa) | 7,677 ft | -5,099 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 |
|---|---|
| 7,939–11,803 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,499 ft | 937 sx |
| 7" | 7,136 ft | 242 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 7HC
- Max Depth
- 8,000 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- PRESIDIO PETROLEUM LLC
- Completed
- 2012-04-24
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