42-507-33537
PRODUCING HorizontalJ&M HOLDSWORTH ZAV
ZAVALA County · District 1 · BUFFCO PRODUCTION INC. · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
13,000 ft
First Permit
2024-05-03
Latest Activity
2024-05-03
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2024-10-24
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2014-10
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 611 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO - DISPOSAL (Escondido) | 2,834 ft | -2,223 ft |
| AUSTIN CHALK | 5,766 ft | -5,155 ft |
| EAGLEFORD (Eagle Ford) | 6,305 ft | -5,694 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 6,820–18,074 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,465 ft | 740 sx |
| 5.5" | 18,295 ft | 3,495 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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.
Well Details
- Well Number
- A 4H
- Max Depth
- 13,000 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- BUFFCO PRODUCTION INC.
- Completed
- 2024-10-24
Operator
- Name
- BUFFCO PROD INC
- Location
- LONGVIEW
- P-5 Status
- Active (filed 2025-11-14)
- Cum Oil (all leases)
- 10,945,076 bbl
- Cum Gas (all leases)
- 64,034,660 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 395