42-461-34581
PRODUCING HorizontalRAILWAY RANCH 9
UPTON County · District 7 · EXTEX OPERATING COMPANY · DAVIS (DEVONIAN)
Permits
1
Max Depth
12,900 ft
First Permit
2004-06-25
Latest Activity
2004-06-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2004-12-15
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXTEX OPERATING COMPANY ≠ Permit: EOG RESOURCES, 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
2004-12
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 (3) Elevation 2,870 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOODFORD SHALE (Woodford) | 11,341 ft | -8,471 ft |
| DEVONIAN | 11,641 ft | -8,771 ft |
| LOWER DEVONIAN (Devonian) | 11,971 ft | -9,101 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 |
|---|---|
| 12,280–14,590 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 533 ft | 475 sx |
| 9.625" | 5,540 ft | 2,150 sx |
| 7" | 12,084 ft | 1,250 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 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
- 1H
- Max Depth
- 12,900 ft
- Drill Type
- Horizontal
- County
- UPTON
- District
- 7
- Operator
- EXTEX OPERATING COMPANY
- Completed
- 2004-12-15
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