WELL · 42-127-37794 · DISTRICT 1

Briscoe Catarina West #21HX

N

Dimmit County · Briscoe Ranch (Eagleford) field  · Horizontal

Briscoe Catarina West #21HX (API 42-127-37794) is a horizontal well in Dimmit County operated by SN EF Maverick LLC, completed January 19, 2019.

The RRC has issued one drilling permit (amended once), issued February 9, 2018, permitted to 8,000 ft.

Completion filings report 9 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.

Its 2 leases have reported 17.3K barrels of oil and 1.77M mcf of gas since July 2018, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.

Operator of record

SN EF Maverick LLC

Houston, TX · P-5 Y, filed Oct 6, 2023 · 460 permits on file · (956) 721-0060

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSN EF Maverick LLC
Production reportsJavelin Energy Partners Mgmt LLCthrough Oct 2024
Latest permitSN EF Maverick, LLCFeb 9, 2018

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

8,000
total depth, ft
2
permits on file
Feb 9, 2018
last permit issued
Jan 19, 2019
completed
17.3K
cumulative oil, bbl
1.77M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 19, 2019
Shut in
—
Plugged
—

Surface location

28.314599, -99.904440

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 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Briscoe Catarina West G-1-294455Briscoe Ranch (Eagleford)Javelin Energy Partners Mgmt LLC101.69MJan 2019 – Jul 2026
Briscoe Catarina West O-1-19523Briscoe Ranch (Eagleford)SN EF Maverick, LLC517.3K79.7KJul 2018 – Jun 2023

Gas, mcf lease total

Last 12 months 0 · prior 12 5,685(-100%)

05K10K15K202420252026

Chain of custody

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

  1. 1SN EF Maverick, LLCJan 2019 → Aug 2023
  2. 2Javelin Energy Partners Mgmt LLCSep 2023 → Oct 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
836146-98DrillSN EF Maverick, LLCJun 11, 2018Feb 9, 2018Jul 20, 20188,000
836146-99DrillSN EF Maverick, LLCFeb 8, 2018Feb 9, 2018Mar 14, 20188,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-294455————
—— O-1-19523————

Formation tops

As filed on W-2/G-1. Subsea from 717 ft elevation.Download CSV →

FormationMD ftSubsea
EscondidoESCONDIDO - DISPOSAL2,564-1,847
OlmosOLMOS - DISPOSAL3,909-3,192
San MiguelSAN MIGUEL - H2S5,040-4,323
Austin ChalkAUSTIN CHALK - H2S6,246-5,529
Eagle FordEAGLE FORD - H2S6,864-6,147
EdwardsEDWARDS - H2S——
GeorgetownGEORGETOWN - H2S——
Glen RoseGLEN ROSE - DISPOSAL——
Pearsall——

Perforations

Perforated and open-hole intervals.

FromToType
7,42720,070Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,28512.25495 S
5.520,1688.753,970 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
00May 8, 2023Mar 11, 2023—
00Apr 26, 2019Apr 16, 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 →

Briscoe Catarina West42-127-37792

0.0 KM · SN EF Maverick, LLC · Section with this well →

Escondido2,557-1,840
Olmos3,898-3,181
San Miguel5,044-4,327
Austin Chalk6,223-5,506
Eagle Ford6,845-6,128
Georgetown—
Glen Rose—
Edwards—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-37796

0.0 KM · SN EF Maverick, LLC · Section with this well →

Escondido2,565-1,848
Olmos3,917-3,200
San Miguel5,052-4,335
Austin Chalk6,271-5,554
Eagle Ford6,886-6,169
Edwards—
Georgetown—
Glen Rose—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-38876

0.7 KM · Javelin Energy Partners Mgmt LLC · Section with this well →

Escondido2,565-1,853
Olmos3,944-3,232
Austin Chalk6,289-5,577
Eagle Ford6,911-6,199
Edwards—
Georgetown—
Glen Rose—
Pearsall—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-38877

0.7 KM · Javelin Energy Partners Mgmt LLC · Section with this well →

Escondido2,566-1,854
Olmos3,948-3,236
Austin Chalk6,302-5,590
Eagle Ford6,919-6,207
Georgetown—
Glen Rose—
Edwards—
Pearsall—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-38878

0.7 KM · Javelin Energy Partners Mgmt LLC · Section with this well →

Escondido2,571-1,859
Olmos3,964-3,252
Austin Chalk6,326-5,614
Eagle Ford6,947-6,235
Edwards—
Georgetown—
Glen Rose—
Pearsall—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-38879

0.7 KM · Javelin Energy Partners Mgmt LLC · Section with this well →

Escondido2,572-1,860
Olmos3,969-3,257
Austin Chalk6,337-5,625
Eagle Ford6,954-6,242
Georgetown—
Glen Rose—
Edwards—
Pearsall—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-38880

0.8 KM · Javelin Energy Partners Mgmt LLC · Section with this well →

Escondido2,577-1,864
Olmos3,989-3,276
Austin Chalk6,372-5,659
Eagle Ford6,976-6,263
Edwards—
Pearsall—
San Miguel—
Georgetown—

9 TOPS · FIRST 8

Briscoe Catarina West42-127-38881

0.8 KM · Javelin Energy Partners Mgmt LLC · Section with this well →

Escondido2,578-1,865
Olmos3,992-3,279
Austin Chalk6,383-5,670
Eagle Ford6,994-6,281
San Miguel—
Edwards—
Georgetown—
Glen Rose—

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

Developers: this page as JSON is GET /v1/data/wells/12737794, documented in the API reference.