WELL · 42-479-44047 · DISTRICT 1

Piloncillo #E 35HB

Y

Webb County · Briscoe Ranch (Eagleford) field · Producing  · Horizontal

Piloncillo #E 35HB (API 42-479-44047) is a horizontal well in Webb County operated by Tbm Catarina LLC, completed April 3, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 19, 2018, permitted to 10,500 ft.

It was permitted by SN Operating, LLC and has since transferred to Tbm Catarina LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.

No lease production has been reported under this well’s leases.

Operator of record

TBM Catarina LLC

Permitted by SN Operating, LLC; the EWA schedule now lists a different operator.

Fort Worth, TX · P-5 Y, filed Mar 4, 2026 · 10 permits on file · (866) 860-0105

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTBM Catarina LLC
Production reportsTBM Catarina, LLCthrough Apr 2026
Latest permitSN Operating, LLCOct 19, 2018

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,500
total depth, ft
1
permits on file
Oct 19, 2018
last permit issued
Apr 3, 2020
completed
0
cumulative oil, bbl
983K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 3, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

28.199463, -99.493973

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Webb County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Piloncillo G-1-287511Briscoe Ranch (Eagleford)TBM Catarina, LLC10983KDec 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 71,975 · prior 12 88,882(-19%)

05K10K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1SN Operating, LLCApr 2020 → May 2023
  2. 2TBM Catarina, LLCJun 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
845843-99DrillSN Operating, LLCOct 17, 2018Oct 19, 2018Dec 7, 201810,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-287511————

Formation tops

As filed on W-2/G-1. Subsea from 604 ft elevation.Download CSV →

FormationMD ftSubsea
EscondidoESCONDITO - INJECTION/DISPOSAL;5,014-4,410
OlmosOLMOS - INJECTION/DISPOSAL6,642-6,038
San Miguel7,783-7,179
Austin Chalk9,088-8,484
CatahoulaCATAHOULA-FRIO - INJECTION/DISPO——
Cook Mountain——
JacksonJACKSON - INJECTION/DISPOSAL——
Queen CityQUEEN CITY - INJECTION/DISPOSAL;——
WilcoxWILCOX - INJECTION/DISPOSAL——
YeguaYEGUA - INJECTION/DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
9,90016,217Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,49812.25885 S
5.516,3158.752,690 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 16, 2020Sep 10, 2020Yes
00Nov 25, 2019Sep 9, 2019Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Piloncillo42-479-44046

0.0 KM · SN Operating, LLC · Section with this well →

Escondido5,009-4,405
Olmos6,630-6,026
San Miguel7,761-7,157
Austin Chalk9,081-8,477
Eagle Ford9,439-8,835
Cook Mountain—
Catahoula—
Jackson—

12 TOPS · FIRST 8

Piloncillo42-479-44039

0.8 KM · SN Operating, LLC · Section with this well →

Escondido5,036-4,426
Olmos6,700-6,090
San Miguel7,802-7,192
Austin Chalk9,148-8,538
Catahoula—
Yegua—
Wilcox—
Queen City—

10 TOPS · FIRST 8

Piloncillo42-479-44040

0.8 KM · SN Operating, LLC · Section with this well →

Escondido5,050-4,440
Olmos6,705-6,095
San Miguel7,806-7,196
Austin Chalk9,143-8,533
Eagle Ford9,493-8,883
Cook Mountain—
Catahoula—
Jackson—

11 TOPS · FIRST 8

Piloncillo42-479-44041

0.8 KM · SN Operating, LLC · Section with this well →

Escondido5,049-4,439
Olmos6,693-6,083
San Miguel7,794-7,184
San Miguel7,794-7,184
Austin Chalk9,147-8,537
Jackson—
Cook Mountain—
Catahoula—

11 TOPS · FIRST 8

Piloncillo42-479-43977

0.9 KM · SN Operating, LLC · Section with this well →

Escondido4,976-4,237
Olmos6,588-5,849
Austin Chalk9,020-8,281
Eagle Ford9,383-8,644
Yegua—
Jackson—
Queen City—
Wilcox—

10 TOPS · FIRST 8

Piloncillo42-479-43976

0.9 KM · SN Operating, LLC · Section with this well →

Escondido4,955-4,346
Olmos6,585-5,976
San Miguel7,692-7,083
Austin Chalk9,026-8,417
Jackson—
Cook Mountain—
Catahoula—
Yegua—

10 TOPS · FIRST 8

Piloncillo42-479-43975

0.9 KM · SN Operating, LLC · Section with this well →

Escondido4,959-4,350
Olmos6,570-5,961
San Miguel7,688-7,079
Austin Chalk9,020-8,411
Yegua—
Wilcox—
Cook Mountain—
Catahoula—

10 TOPS · FIRST 8

Piloncillo42-479-43974

1.0 KM · SN Operating, LLC · Section with this well →

Escondido4,952-4,343
Olmos6,548-5,939
San Miguel7,677-7,068
Austin Chalk9,003-8,394
Yegua—
Catahoula—
Cook Mountain—
Wilcox—

10 TOPS · FIRST 8

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/47944047, documented in the API reference.