42-123-31182
Final CompletionLANG PAUL
DE WITT County · District 2 · EXTEX OPERATING COMPANY · HOLLY EAST (MASSIVE)
Permits
1
Max Depth
13,500 ft
First Permit
1981-09-23
Latest Activity
1981-09-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-01-19
Shut-In
—
Plugged
2004-07-16
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: ENERGY RESERVES GROUP, INC.
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
2004-08
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 270 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER YEGUA (Yegua) | 4,563 ft | -4,293 ft |
| LOWER YEGUA (Yegua) | 4,800 ft | -4,530 ft |
| WILCOX | 7,480 ft | -7,210 ft |
| MACHANK | 7,510 ft | -7,240 ft |
| MASSIVE | 7,560 ft | -7,290 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 |
|---|---|
| 7,587–7,590 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,986 ft | 1,035 sx |
| 7.625" | 10,209 ft | 700 sx |
| 4.5" | 14,430 ft | 620 sx |
Permit History (1)
Applications (2)
Records & Logs
2 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
- 3
- Max Depth
- 13,500 ft
- Drill Type
- Vertical
- County
- DE WITT
- District
- 2
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1985-01-19
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