42-461-31509
PRODUCINGDAMRON B
UPTON County · District 7 · EXTEX OPERATING COMPANY · HELUMA SE (DEVONIAN)
Permits
1
Max Depth
9,500 ft
First Permit
1979-11-15
Latest Activity
1979-11-15
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1989-07-01
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: TEXAS PACIFIC OIL COMPANY, 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 (3) Elevation 2,920 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 7,905 ft | -4,985 ft |
| BARNET | 8,048 ft | -5,128 ft |
| DEVONIAN | 8,433 ft | -5,513 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 (2)
| Interval | Type |
|---|---|
| 8,442–8,601 ft | Perforated |
| 8,791–9,076 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 615 ft | 650 sx |
| 8.375" | 3,800 ft | 1,350 sx |
| 5.5" | 9,500 ft | 1,250 sx |
| 5.5" | 9,524 ft | — |
| 2.375" | — | — |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- 9,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1989-07-01
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