42-507-33478
SHUT IN HorizontalCENIZO A
ZAVALA County · District 1 · TRINITY OPERATING (USG) LLC · BRISCOE RANCH (EAGLEFORD)
Permits
2
Max Depth
8,000 ft
First Permit
2022-09-02
Latest Activity
2022-09-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2023-05-20
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
2020-06
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (7) Elevation 619 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO - DISPOSAL (Escondido) | 3,662 ft | -3,043 ft |
| OLMOS | 4,751 ft | -4,132 ft |
| SAN MIGUEL | 5,774 ft | -5,155 ft |
| ANACACHO | 6,169 ft | -5,550 ft |
| AUSTIN (Austin Chalk) | 6,525 ft | -5,906 ft |
| UPPER EAGLE FORD (Eagle Ford) | 7,034 ft | -6,415 ft |
| LOWER EAGLE FORD (Eagle Ford) | 7,155 ft | -6,536 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).
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,240 ft | 851 sx |
Permit History (2)
Applications (2)
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
- 129H
- Max Depth
- 8,000 ft
- Drill Type
- Horizontal
- County
- ZAVALA
- District
- 1
- Operator
- TRINITY OPERATING (USG) LLC
- Completed
- 2023-05-20
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-28)
- Cum Oil (all leases)
- 22,515,031 bbl
- Cum Gas (all leases)
- 284,930,581 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 391