42-211-30081
Final CompletionCOOK C. J.
HEMPHILL County · District 10 · GULF OIL CORP. · COOK-GEM (MORROW UP)
Permits
2
Max Depth
19,600 ft
First Permit
1997-03-13
Latest Activity
1998-08-17
Lifespan
1 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
1981-05-16
EWA / Production operator mismatch
Scheduling: GULF OIL CORP. ≠ Production: PRESIDIO PETROLEUM LLC (reported 2023-02)
EWA / Permit operator mismatch
Scheduling: GULF OIL CORP. ≠ Permit: CORLENA OIL COMPANY
Resolved via: scheduling → GULF OIL CORP.
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
1997-07
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 (4) Elevation 2,576 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE HEBNER | 7,815 ft | -5,239 ft |
| BASE HERBNER | 7,815 ft | -5,239 ft |
| DOUGLAS | 7,906 ft | -5,330 ft |
| LOWER DOUGLAS (Douglas) | 8,038 ft | -5,462 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 (3)
| Interval | Type |
|---|---|
| 7,907–7,940 ft | Perforated |
| 11,674–11,686 ft | Perforated |
| 19,064–13,330 ft | Perforated |
Casing (10)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 805 ft | — |
| 20" | 805 ft | — |
| 13.625" | 6,413 ft | — |
| 13.375" | 6,423 ft | — |
| 10.75" | 12,978 ft | 1,125 sx |
| 10.75" | 12,978 ft | — |
| 10.75" | 12,978 ft | — |
| 7.625" | 16,425 ft | — |
| 7.625" | 16,425 ft | — |
| 7.625" | 16,427 ft | 583 sx |
Permit History (2)
Applications (2)
Records & Logs
6 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
- 1A
- Max Depth
- 19,600 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- GULF OIL CORP.
Operator
- Name
- GULF OIL CORP
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 1985-04-04)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 4,382