42-479-43454
PRODUCING HorizontalPILONCILLO
WEBB County · District 1 · TBM CATARINA LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
9,500 ft
First Permit
2015-09-30
Latest Activity
2015-09-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2016-02-26
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
2016-02
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 625 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDITO - INJECTION/DISPOSAL; (Escondido) | 4,856 ft | -4,231 ft |
| OLMOS - INJECTION/DISPOSAL (Olmos) | 6,421 ft | -5,796 ft |
| AUSTIN CHALK | 9,077 ft | -8,452 ft |
| EAGLE FORD SHALE (Eagle Ford) | 9,395 ft | -8,770 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 9,798–15,939 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 4,398 ft | 1,320 sx |
| 5.5" | 16,027 ft | 2,305 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.
No GPS coordinates yet
Well Details
- Well Number
- E 21HC
- Max Depth
- 9,500 ft
- Drill Type
- Horizontal
- County
- WEBB
- District
- 1
- Operator
- TBM CATARINA LLC
- Completed
- 2016-02-26
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