42-507-32960
PRODUCING HorizontalWINTERBOTHAM ZAV
ZAVALA County · District 1 · EXCO OPERATING COMPANY LP · BRISCOE RANCH (EAGLEFORD)
Permits
2
Max Depth
9,000 ft
First Permit
2012-11-16
Latest Activity
2012-11-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2013-08-28
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: EXCO OPERATING COMPANY LP ≠ Permit: CHESAPEAKE OPERATING, INC.
Resolved via: production → EXCO OPERATING COMPANY, LP
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
2011-09
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 730 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANACACHO | 5,591 ft | -4,861 ft |
| AUSTIN CHALK | 5,914 ft | -5,184 ft |
| EAGLE FORD | 6,432 ft | -5,702 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 (2)
| Interval | Type |
|---|---|
| 6,789–14,850 ft | Perforated |
| 14,709–14,849 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,067 ft | 1,017 sx |
| 5.5" | 14,976 ft | 2,160 sx |
Permit History (2)
Applications (2)
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
- E 4H
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- EXCO OPERATING COMPANY LP
- Completed
- 2013-08-28
Operator
- Name
- EXCO OPER CO, LP
- Location
- DALLAS
- P-5 Status
- Active (filed 2025-08-22)
- Cum Oil (all leases)
- 68,406,744 bbl
- Cum Gas (all leases)
- 618,508,398 mcf
- Activities
- G/PUR, OPRS/G, OPRS/O
- Total Permits
- 506