42-479-43453

PRODUCING Horizontal

PILONCILLO

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

2016-02-28

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: TBM CATARINA LLC ≠ Permit: SN OPERATING, LLC

Resolved via: productionTBM CATARINA, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2016-02

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 (10) Elevation 625 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDITO - INJECTION/DISPOSAL; (Escondido)4,840 ft-4,215 ft
OLMOS - INJECTION/DISPOSAL (Olmos)6,410 ft-5,785 ft
SAN MIGUEL 7,693 ft-7,068 ft
AUSTIN CHALK 9,055 ft-8,430 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)

IntervalType
9,852–16,088 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,418 ft1,320 sx
5.5"16,176 ft2,325 sx

Permit History (1)

Applications (1)

#810788 A SN OPERATING, LLC
received 2015-09-30

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2016-08-30 log on file

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

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in WEBB County.

Well Details

Well Number
E 21HB
Max Depth
9,500 ft
Drill Type
Horizontal
County
WEBB
District
1
Completed
2016-02-28

Operator

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