42-501-33270
Final CompletionREAD
YOAKUM County · District 8 · EXTEX OPERATING COMPANY · BRAHANEY NORTHWEST (DEVONIAN)
Permits
3
Max Depth
12,100 ft
First Permit
1987-08-21
Latest Activity
2008-10-24
Lifespan
21 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1989-06-13
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: PYR ENERGY CORPORATION
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
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 (10) Elevation 3,700 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,513 ft | -813 ft |
| SAN ANDRES D (San Andres) | 4,513 ft | -813 ft |
| TUBB | 7,132 ft | -3,432 ft |
| TUBB SAND (Tubb) | 7,132 ft | -3,432 ft |
| WOLFCAMP | 8,950 ft | -5,250 ft |
| STRAWN | 10,330 ft | -6,630 ft |
| LO MISS | 11,118 ft | -7,418 ft |
| MISSISSIPPAIN LOWER | 11,118 ft | -7,418 ft |
| MISSISSIPPIAN LOWER (Mississippian) | 11,118 ft | -7,418 ft |
| DEVONIAN | 11,840 ft | -8,140 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 (3)
| Interval | Type |
|---|---|
| 8,934–9,256 ft | Perforated |
| 11,192–11,210 ft | Perforated |
| 11,841–11,845 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 513 ft | 500 sx |
| 9.625" | 5,799 ft | 2,100 sx |
| 8.625" | 5,799 ft | 2,100 sx |
| 5.5" | 11,880 ft | 1,800 sx |
Permit History (3)
Applications (3)
Records & Logs
7 completion filings on record · 4 with log images at RRC.
+1 more filings
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
- 4
- Max Depth
- 12,100 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 1989-06-13
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