42-461-30174
Final CompletionJACOBS LIVESTOCK
UPTON County · District 7 · EXTEX OPERATING COMPANY · HELUMA EAST (DEVONIAN)
Permits
1
Max Depth
5,500 ft
First Permit
1987-10-02
Latest Activity
1987-10-02
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-10-20
Shut-In
—
Plugged
2015-05-16
EWA / Production operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Production: LEGACY RESERVES OPERATING LP (reported 2020-04)
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: SUN EXPL. & PROD. CO.-MIDLAND
Resolved via: scheduling → 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
Injection / Disposal
UPTON County disposal market →Permitted Volume
6,000 bbl/d
Max Pressure
2,575 psi
Injection Interval
5,188–5,356 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2015-08-01)
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 (5) Elevation 2,848 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES "D" (San Andres) | 3,716 ft | -868 ft |
| CLEARFORK (Clear Fork) | 5,180 ft | -2,332 ft |
| BARNETT | 8,400 ft | -5,552 ft |
| DEVONIAN | 8,519 ft | -5,671 ft |
| ELLENBURGER | 10,400 ft | -7,552 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 (5)
| Interval | Type |
|---|---|
| 5,188–5,240 ft | Perforated |
| 5,290–5,298 ft | Perforated |
| 5,338–5,356 ft | Perforated |
| 8,539–9,017 ft | Perforated |
| ?–10,510 ft | Perforated |
Casing (8)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 500 ft | 600 sx |
| 13.375" | 500 ft | 600 sx |
| 13.375" | 535 ft | 600 sx |
| 9.625" | 3,450 ft | 985 sx |
| 9.625" | 3,788 ft | 635 sx |
| 9.625" | 3,789 ft | 985 sx |
| 5.5" | 10,578 ft | 500 sx |
| 5.5" | 10,578 ft | 740 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 5,500 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1987-10-20
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