42-003-38532
INJECTIONHENRY COWDEN (GBSA)UNIT
ANDREWS County · District 8 · EXTEX OPERATING COMPANY · COWDEN NORTH
Permits
1
Max Depth
5,000 ft
First Permit
1999-09-28
Latest Activity
1999-09-28
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1999-12-29
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: HENRY PETROLEUM CORP.
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
1999-10
Last Production
2026-07
Injection / Disposal
ANDREWS County disposal market →Permitted Volume
1,000 bbl/d
Max Pressure
1,000 psi
Injection Interval
4,300–4,762 ft
Injected (12mo)
67,371 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 3,096 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 3,048 ft | +48 ft |
| LOWER GRAYBURG (Grayburg) | 4,432 ft | -1,336 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 |
|---|---|
| 4,556–4,567 ft | Perforated |
| 4,577–4,586 ft | Perforated |
| 4,615–4,627 ft | Perforated |
| 4,634–4,656 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,651 ft | 565 sx |
| 4.5" | 4,841 ft | 570 sx |
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
- 423
- Max Depth
- 5,000 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1999-12-29
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