42-479-43856

PRODUCING Horizontal

PILONCILLO

WEBB County · District 1 · TBM CATARINA LLC · BRISCOE RANCH (EAGLEFORD)

Permits

1

Max Depth

10,430 ft

First Permit

2017-12-13

Latest Activity

2017-12-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-04-27

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

2018-04

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 655 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDITO - INJECTION/DISPOSAL; (Escondido)4,840 ft-4,185 ft
OLMOS - INJECTION/DISPOSAL (Olmos)6,424 ft-5,769 ft
SAN MIGUEL 7,551 ft-6,896 ft
AUSTIN CHALK 8,837 ft-8,182 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.

Cross-section
42-479-43855 PILONCILLO · SN OPERATING, LLC
0.0 mi
Escondido 4,817'Olmos 6,397'San Miguel 7,530'Austin Chalk 8,818'Yegua Queen City Cook Mountain Catahoula Jackson Wilcox
42-479-43854 PILONCILLO · SN OPERATING, LLC
0.0 mi
Escondido 4,825'Olmos 6,412'San Miguel 7,519'Austin Chalk 8,806'Yegua Queen City Cook Mountain Catahoula Jackson Wilcox
42-479-43853 PILONCILLO · SN OPERATING, LLC
0.0 mi
Escondido 4,817'Olmos 6,393'San Miguel 7,492'Austin Chalk 8,764'Yegua Queen City Cook Mountain Catahoula Jackson Wilcox
42-479-44027 PILONCILLO · SN OPERATING, LLC
0.0 mi
Escondido 4,834'Olmos 6,431'San Miguel 7,555'Eagle Ford 9,207'Cook Mountain Yegua Queen City Wilcox Catahoula Jackson
42-479-44026 PILONCILLO · SN OPERATING, LLC
0.0 mi
Escondido 4,832'Olmos 6,421'San Miguel 7,552'Austin Chalk 8,835'Yegua Queen City Cook Mountain Catahoula Jackson Wilcox
42-479-44025 PILONCILLO · SN OPERATING, LLC
0.1 mi
Escondido 4,833'Olmos 6,418'San Miguel 7,526'Austin Chalk 8,819'Yegua Queen City Cook Mountain Catahoula Jackson Wilcox
42-479-44024 PILONCILLO · SN OPERATING, LLC
0.1 mi
Escondido 4,817'Olmos 6,387'San Miguel 7,525'Austin Chalk 8,796'Eagle Ford 9,154'Yegua Cook Mountain Queen City Wilcox Catahoula Jackson
42-479-43744 PILONCILLO · SN OPERATING, LLC
0.8 mi
Escondido 4,884'Olmos 6,463'San Miguel 7,583'Austin Chalk 8,893'Eagle Ford 9,229'Yegua Cook Mountain Queen City Wilcox Catahoula Jackson

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)

IntervalType
10,274–15,051 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,387 ft880 sx
5.5"15,139 ft2,660 sx

Permit History (1)

Applications (1)

#833906 A SN OPERATING, LLC
received 2017-12-05

Records & Logs

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

W-2/G-1 2018-10-26 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.

Lat 28.194672
Lon -99.531027

Well Details

Well Number
E 31HZ
Max Depth
10,430 ft
Drill Type
Horizontal
County
WEBB
District
1
Completed
2018-04-27

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