WELL · 42-127-37336 · DISTRICT 1

Piloncillo #A 23HF

Y

Dimmit County · Lorenzo (Austin Chalk) field · SWR-10-Well  · Horizontal

Piloncillo #A 23HF (API 42-127-37336) is a horizontal well in Dimmit County operated by Tbm Catarina LLC, completed May 11, 2017 and listed as swr-10-well on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued October 24, 2016, permitted to 9,500 ft.

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

Completion filings report 9 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 24, 2016

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

9,500
total depth, ft
2
permits on file
Oct 24, 2016
last permit issued
May 11, 2017
completed
0
cumulative oil, bbl
825K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 11, 2017
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

28.221011, -99.625619

OpenStreetMap → ·  Google Maps →

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Piloncillo G-1-283004Briscoe Ranch (Eagleford)TBM Catarina, LLC10825KMay 2017 – Jul 2026
Piloncillo G-1-283050Lorenzo (Austin Chalk)TBM Catarina, LLC100May 2017 – Jul 2026

Gas, mcf lease total

Last 12 months 47,970 · prior 12 51,541(-7%)

02K4K6K202420252026

Chain of custody

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

  1. 1SN Operating, LLCMay 2017 → May 2023
  2. 2TBM Catarina, LLCJun 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
819259-98DrillSN Operating, LLCJun 13, 2017Oct 24, 2016Nov 25, 20169,500
819259-99DrillSN Operating, LLCOct 10, 2016Oct 24, 2016Nov 25, 20169,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-283004————
—— G-1-283050————

Formation tops

As filed on W-2/G-1. Subsea from 587 ft elevation.Download CSV →

FormationMD ftSubsea
Escondido3,836-3,249
EscondidoESCONDIDO - DISPOSAL3,836-3,249
Olmos5,275-4,688
OlmosOLMOS - DISPOSAL5,275-4,688
San Miguel6,490-5,903
San MiguelSAN MIGUEL - H2S6,490-5,903
Austin Chalk7,667-7,080
Austin ChalkAUSTIN CHALK - H2S7,667-7,080
Eagle FordEAGLE FORD - H2S8,091-7,504
EdwardsEDWARDS - H2S——
GeorgetownGEORGETOWN - H2S——
Glen RoseGLEN ROSE - DISPOSAL——
Pearsall——

Perforations

Perforated and open-hole intervals.

FromToType
8,3128,362Perforated
8,41114,708Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,39912.25745 S
5.514,8058.752,070 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 25, 2018Sep 18, 2017Yes
00Jan 18, 2018Sep 18, 2017Yes

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 →

Piloncillo42-127-38038

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

Escondido3,769-3,217
Olmos5,189-4,637
San Miguel6,381-5,829
Austin Chalk7,552-7,000
Eagle Ford7,962-7,410
Edwards—
Pearsall—
Glen Rose—

9 TOPS · FIRST 8

Piloncillo42-127-38039

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

Escondido3,790-3,238
Olmos5,203-4,651
San Miguel6,377-5,825
Austin Chalk7,552-7,000
Eagle Ford7,965-7,413
Pearsall—
Edwards—
Glen Rose—

9 TOPS · FIRST 8

Piloncillo42-127-38040

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

Escondido3,774-3,222
Olmos5,025-4,473
San Miguel6,389-5,837
Austin Chalk7,550-6,998
Eagle Ford7,981-7,429
Edwards—
Pearsall—
Glen Rose—

9 TOPS · FIRST 8

Piloncillo42-127-38041

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

Escondido2,773-2,221
Olmos5,202-4,650
San Miguel6,355-5,803
Austin Chalk7,550-6,998
Eagle Ford7,978-7,426
Edwards—
Pearsall—
Glen Rose—

9 TOPS · FIRST 8

Piloncillo42-127-38042

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

Escondido—
Edwards—
Eagle Ford—
Austin Chalk—
San Miguel—
Georgetown—
Pearsall—
Olmos—

9 TOPS · FIRST 8

Piloncillo42-127-37979

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

Escondido3,793-3,241
Olmos5,184-4,632
San Miguel6,390-5,838
Austin Chalk7,553-7,001
Eagle Ford8,014-7,462
Glen Rose—
Pearsall—
Georgetown—

9 TOPS · FIRST 8

Piloncillo42-127-37988

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

Escondido3,773-3,221
Olmos5,197-4,645
San Miguel6,398-5,846
Austin Chalk7,554-7,002
Eagle Ford8,002-7,450
Georgetown—
Glen Rose—
Edwards—

9 TOPS · FIRST 8

Piloncillo42-127-37989

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

Escondido3,773-3,222
Olmos5,206-4,655
San Miguel6,401-5,850
Austin Chalk7,558-7,007
Eagle Ford8,009-7,458
Georgetown—
Glen Rose—
Edwards—

9 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

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