42-211-34429
PRODUCINGCHUMBLEY
HEMPHILL County · District 10 · PRESIDIO PETROLEUM LLC · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
13,000 ft
First Permit
2008-09-16
Latest Activity
2008-09-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-02-08
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: PRESIDIO PETROLEUM LLC ≠ Permit: CORDILLERA TEXAS, L.P.
Resolved via: production → 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
2009-02
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 (14) Elevation 2,561 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOUGLAS | 7,894 ft | -5,333 ft |
| TONKAWA | 8,437 ft | -5,876 ft |
| MISSOURIAN | 8,958 ft | -6,397 ft |
| OSWEGO | 10,288 ft | -7,727 ft |
| GRANITE WASH | 10,720 ft | -8,159 ft |
| DES MOINES | 10,844 ft | -8,283 ft |
| BRITT | 10,909 ft | -8,348 ft |
| GW-B | 11,201 ft | -8,640 ft |
| GW-C | 11,344 ft | -8,783 ft |
| GW-E | 11,707 ft | -9,146 ft |
| GW-F | 11,795 ft | -9,234 ft |
| ATOKA (DID NOT PENETRATE) (Atoka) | — | — |
| BROWN DOLOMITE | — | — |
| PENN SHALE (Pennsylvanian) | — | — |
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 (4)
| Interval | Type |
|---|---|
| 10,888–11,184 ft | Perforated |
| 11,224–11,622 ft | Perforated |
| 11,731–12,034 ft | Perforated |
| 12,100–12,574 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 3,059 ft | 1,780 sx |
| 5.5" | 13,060 ft | 885 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
- 1256
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- PRESIDIO PETROLEUM LLC
- Completed
- 2009-02-08
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