42-501-32928
SHUT INTOWNES C. B.
YOAKUM County · District 8 · EXTEX OPERATING COMPANY · PRENTICE (CLEAR FORK LOWER)
Permits
1
Max Depth
8,300 ft
First Permit
1985-09-11
Latest Activity
1985-09-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-12-16
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Production: CHESAPEAKE OPERATING, INC. (reported 2009-03)
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: 3 WAY OPERATING COMPANY
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
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 (4) Elevation 3,574 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,705 ft | -1,131 ft |
| UPPER CLEARFORK (Clear Fork) | 6,320 ft | -2,746 ft |
| TUBB | 7,356 ft | -3,782 ft |
| LOWER CLEARFORK (Clear Fork) | 7,492 ft | -3,918 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 |
|---|---|
| 7,504–8,225 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,660 ft | 1,350 sx |
| 5.5" | 7,505 ft | 410 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 8,300 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1985-12-16
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