WELL · 42-479-44025 · DISTRICT 1

Piloncillo #E 31HB

Y

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

Piloncillo #E 31HB (API 42-479-44025) is a horizontal well in Webb County operated by Tbm Catarina LLC, completed December 18, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 20, 2018, permitted to 10,000 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, LLCAug 20, 2018

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

10,000
total depth, ft
1
permits on file
Aug 20, 2018
last permit issued
Dec 18, 2018
completed
0
cumulative oil, bbl
1.11M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 18, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

28.194510, -99.531845

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-1-287867Briscoe Ranch (Eagleford)TBM Catarina, LLC101.11MDec 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 57,099 · prior 12 66,237(-14%)

05K10K202420252026

Chain of custody

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

  1. 1SN Operating, LLCDec 2018 → May 2023
  2. 2TBM Catarina, LLCJun 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
843701-99DrillSN Operating, LLCAug 16, 2018Aug 20, 2018Aug 30, 201810,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-287867————

Formation tops

As filed on W-2/G-1. Subsea from 653 ft elevation.Download CSV →

FormationMD ftSubsea
EscondidoESCONDITO - INJECTION/DISPOSAL;4,833-4,180
OlmosOLMOS - INJECTION/DISPOSAL6,418-5,765
San Miguel7,526-6,873
Austin Chalk8,819-8,166
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
9,84816,823Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,47412.25855 S
5.516,9178.753,260 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
00Jan 22, 2020Oct 15, 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 →

Piloncillo42-479-44024

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

Escondido4,817-4,159
Olmos6,387-5,729
San Miguel7,525-6,867
Austin Chalk8,796-8,138
Eagle Ford9,154-8,496
Cook Mountain—
Catahoula—
Yegua—

11 TOPS · FIRST 8

Piloncillo42-479-44026

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

Escondido4,832-4,182
Olmos6,421-5,771
San Miguel7,552-6,902
Austin Chalk8,835-8,185
Jackson—
Yegua—
Wilcox—
Queen City—

10 TOPS · FIRST 8

Piloncillo42-479-44027

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

Escondido4,834-4,183
Olmos6,431-5,780
San Miguel7,555-6,904
Eagle Ford9,207-8,556
Jackson—
Yegua—
Wilcox—
Queen City—

10 TOPS · FIRST 8

Piloncillo42-479-43853

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

Escondido4,817-3,961
Olmos6,393-5,537
San Miguel7,492-6,636
Austin Chalk8,764-7,908
Yegua—
Queen City—
Jackson—
Cook Mountain—

10 TOPS · FIRST 8

Piloncillo42-479-43854

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

Escondido4,825-4,169
Olmos6,412-5,756
San Miguel7,519-6,863
Austin Chalk8,806-8,150
Catahoula—
Wilcox—
Queen City—
Jackson—

10 TOPS · FIRST 8

Piloncillo42-479-43855

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

Escondido4,817-4,161
Olmos6,397-5,741
San Miguel7,530-6,874
Austin Chalk8,818-8,162
Yegua—
Wilcox—
Queen City—
Jackson—

10 TOPS · FIRST 8

Piloncillo42-479-43856

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

Escondido4,840-4,185
Olmos6,424-5,769
San Miguel7,551-6,896
Austin Chalk8,837-8,182
Yegua—
Wilcox—
Queen City—
Jackson—

10 TOPS · FIRST 8

Piloncillo42-479-43744

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

Escondido4,884-4,253
Olmos6,463-5,832
San Miguel7,583-6,952
Austin Chalk8,893-8,262
Eagle Ford9,229-8,598
Wilcox—
Jackson—
Queen City—

11 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/47944025, documented in the API reference.