42-479-44027
PRODUCING HorizontalPILONCILLO
WEBB County · District 1 · TBM CATARINA LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
10,000 ft
First Permit
2018-08-20
Latest Activity
2018-08-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-12-20
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: TBM CATARINA LLC ≠ Permit: SN OPERATING, LLC
Resolved via: production → TBM CATARINA, LLC
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
2018-12
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 (10) Elevation 651 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDITO - INJECTION/DISPOSAL; (Escondido) | 4,834 ft | -4,183 ft |
| OLMOS - INJECTION/DISPOSAL (Olmos) | 6,431 ft | -5,780 ft |
| SAN MIGUEL | 7,555 ft | -6,904 ft |
| EAGLE FORD SHALE (Eagle Ford) | 9,207 ft | -8,556 ft |
| CATAHOULA-FRIO - INJECTION/DISPO (Catahoula) | — | — |
| COOK MOUNTAIN | — | — |
| JACKSON - INJECTION/DISPOSAL (Jackson) | — | — |
| QUEEN CITY - INJECTION/DISPOSAL; (Queen City) | — | — |
| WILCOX - INJECTION/DISPOSAL (Wilcox) | — | — |
| YEGUA - INJECTION/DISPOSAL (Yegua) | — | — |
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 |
|---|---|
| 10,451–17,174 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 4,455 ft | 855 sx |
| 5.5" | 17,266 ft | 3,380 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
- E 31HD
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- WEBB
- District
- 1
- Operator
- TBM CATARINA LLC
- Completed
- 2018-12-20
Operator
- Name
- TBM CATARINA, LLC
- Location
- FORT WORTH
- P-5 Status
- X (filed 2026-06-03)
- Cum Oil (all leases)
- 165,111 bbl
- Cum Gas (all leases)
- 51,816,140 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 10