42-211-32163
PRODUCINGLOCKHART STRIP
HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · FELDMAN (TONKAWA)
Permits
3
Max Depth
11,400 ft
First Permit
1996-11-26
Latest Activity
1999-08-27
Lifespan
3 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
1999-11-17
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: UPLAND RESOURCES, INC.
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
1997-02
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 (8) Elevation 2,584 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE | 3,900 ft | -1,316 ft |
| HEEBNER | 6,990 ft | -4,406 ft |
| DOUGLAS | 7,077 ft | -4,493 ft |
| DOUGLAS | 7,080 ft | -4,496 ft |
| TONKAWA | 7,715 ft | -5,131 ft |
| MARMATON | 9,429 ft | -6,845 ft |
| HEPLER ZONE | 10,100 ft | -7,516 ft |
| MORROW SAND (Morrow) | 11,098 ft | -8,514 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 |
|---|---|
| 7,720–7,785 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,780 ft | 1,250 sx |
| 5.5" | 10,980 ft | 425 sx |
| 5.5" | 10,982 ft | 2,240 sx |
Permit History (3)
Applications (3)
Records & Logs
4 completion filings on record · 2 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
- 1
- Max Depth
- 11,400 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- PRESIDIO PETROLEUM LLC
- Completed
- 1999-11-17
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