42-079-31739
INJECTIONWRIGHT UNIT
COCHRAN County · District 8 · EXTEX OPERATING COMPANY · LEVELLAND
Permits
1
Max Depth
5,200 ft
First Permit
1983-08-18
Latest Activity
1983-08-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1993-04-15
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: SUN EXPL. & PROD. CO.-MIDLAND
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
Injection / Disposal
Permitted Volume
500 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,930–4,970 ft
Injected (12mo)
2,855 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-02-01)
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 (2) Elevation 3,705 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YOAKUM | 3,720 ft | -15 ft |
| SAN ANDRES | 4,070 ft | -365 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 (4)
| Interval | Type |
|---|---|
| 4,441–4,978 ft | Perforated |
| 4,930–4,954 ft | Perforated |
| 4,955–4,976 ft | Perforated |
| 4,966–4,976 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 500 ft | 350 sx |
| 5.5" | 5,000 ft | 1,880 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 21A
- Max Depth
- 5,200 ft
- Drill Type
- Vertical
- County
- COCHRAN
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1993-04-15
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