42-479-41681
PRODUCING HorizontalPILONCILLO
WEBB County · District 1 · TBM CATARINA LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
18,000 ft
First Permit
2012-01-24
Latest Activity
2012-01-24
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-09-25
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: TBM CATARINA LLC ≠ Permit: SHELL WESTERN E&P
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
2013-01
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 (6) Elevation 632 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN MIGUEL | 7,072 ft | -6,440 ft |
| AUSTIN CHALK | 7,757 ft | -7,125 ft |
| AUSTIN CHALK | 7,758 ft | -7,126 ft |
| UPPER EAGLE FORD (Eagle Ford) | 8,464 ft | -7,832 ft |
| UPPER EAGLE FORD (Eagle Ford) | 8,476 ft | -7,844 ft |
| UPPER EAGLEFORD (Eagle Ford) | 8,476 ft | -7,844 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 (1)
| Interval | Type |
|---|---|
| 9,918–15,193 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,995 ft | 1,111 sx |
| 9.625" | 3,000 ft | 1,111 sx |
| 5.5" | 15,370 ft | 1,500 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- D 21HD
- Max Depth
- 18,000 ft
- Drill Type
- Horizontal
- County
- WEBB
- District
- 1
- Operator
- TBM CATARINA LLC
- Completed
- 2014-09-25
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