42-165-35300
PRODUCING HorizontalWOOD
GAINES County · District 8 · EXTEX OPERATING COMPANY · SALISBURY (L. LEONARD SD.)
Permits
1
Max Depth
8,100 ft
First Permit
1997-12-01
Latest Activity
1997-12-01
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1998-01-31
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
1998-02
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 (6) Elevation 3,590 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 4,625 ft | -1,035 ft |
| PENROSE | 4,838 ft | -1,248 ft |
| GRAYBURG | 4,902 ft | -1,312 ft |
| SAN ANDRES | 5,465 ft | -1,875 ft |
| CLFK LM. | 7,003 ft | -3,413 ft |
| LWR. LEONARD SS | 7,644 ft | -4,054 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 |
|---|---|
| 7,644–9,330 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 412 ft | 425 sx |
| 8.625" | 2,426 ft | 755 sx |
| 5.5" | 7,500 ft | 1,750 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
- 1
- Max Depth
- 8,100 ft
- Drill Type
- Horizontal
- County
- GAINES
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1998-01-31
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