42-165-36374
PRODUCINGHAMMOND
GAINES County · District 8 · EXTEX OPERATING COMPANY · SALISBURY (L. LEONARD SD.)
Permits
1
Max Depth
7,900 ft
First Permit
2005-05-12
Latest Activity
2005-05-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2005-09-25
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: COG OPERATING LLC
Resolved via: production → EXTEX OPERATING COMPANY
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
1997-03
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 3,574 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,384 ft | +1,190 ft |
| QUEEN | 4,612 ft | -1,038 ft |
| PENROSE | 4,824 ft | -1,250 ft |
| GRAYBURG | 4,888 ft | -1,314 ft |
| SAN ANDRES | 5,438 ft | -1,864 ft |
| LOWER LEONARD (Leonard) | 7,600 ft | -4,026 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 |
|---|---|
| 7,601–7,635 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,389 ft | 1,050 sx |
| 5.5" | 7,864 ft | 1,500 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 7,900 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 2005-09-25
Operator
- Name
- EXTEX OPER CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-07)
- Cum Oil (all leases)
- 5,887,486 bbl
- Cum Gas (all leases)
- 10,031,045 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 117