42-165-33361
SHUT INRUSSELL L. B.
GAINES County · District 8 · EXTEX OPERATING COMPANY · CARM-ANN (SAN ANDRES)
Permits
1
Max Depth
4,900 ft
First Permit
1985-09-11
Latest Activity
1985-09-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2007-08-02
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: MARALO, INC.
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
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 (8) Elevation 3,203 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,895 ft | +1,308 ft |
| YATES | 2,920 ft | +283 ft |
| SEVEN RIVERS | 3,162 ft | +41 ft |
| QUEEN | 3,451 ft | -248 ft |
| PENROSE | 3,994 ft | -791 ft |
| GRAYBURG | 4,215 ft | -1,012 ft |
| FUHRMAN SDS | 4,432 ft | -1,229 ft |
| SAN ANDRES | 4,566 ft | -1,363 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 |
|---|---|
| 4,613–4,774 ft | Perforated |
| 4,794–4,813 ft | Perforated |
| 4,841–4,850 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 349 ft | 300 sx |
| 4.5" | 4,930 ft | 950 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 4,900 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 2007-08-02
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