WELL · 42-127-37641 · DISTRICT 1

Stumberg Ranch Unit E #01HC

N

Dimmit County · Briscoe Ranch (Eagleford) field  · Horizontal

Stumberg Ranch Unit E #01HC (API 42-127-37641) is a horizontal well in Dimmit County operated by SN EF Maverick LLC, completed December 2, 2022.

The RRC has issued one drilling permit, issued October 24, 2017, permitted to 8,600 ft.

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

Its 3 leases have reported 6.62K barrels of oil and 1.15M mcf of gas since March 2018, last reporting in July 2026. The leases carry 7 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 Apr 2026
Latest permitSN EF Maverick, LLCOct 24, 2017

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

8,600
total depth, ft
1
permits on file
Oct 24, 2017
last permit issued
Dec 2, 2022
completed
6.62K
cumulative oil, bbl
1.15M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 2, 2022
Shut in
—
Plugged
—

Surface location

28.359193, -99.713142

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 3 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Stumberg Ranch Unit E G-1-294322Briscoe Ranch (Eagleford)Javelin Energy Partners Mgmt LLC101.1MDec 2018 – Jul 2026
Stumberg Ranch Unit E O-1-19627Briscoe Ranch (Eagleford)SN EF Maverick, LLC56.62K44.7KNov 2018 – Jun 2023
Stumberg Ranch Unit E G-1-284499Briscoe Ranch (Eagleford)SN EF Maverick, LLC100Mar 2018 – Jun 2019

Gas, mcf lease total

Last 12 months 10,721 · prior 12 74,877(-86%)

05K10K202420252026

Chain of custody

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

  1. 1SN EF Maverick, LLCDec 2018 → Aug 2023
  2. 2Javelin Energy Partners Mgmt LLCSep 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
831611-99DrillSN EF Maverick, LLCOct 3, 2017Oct 24, 2017Dec 16, 20178,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-284499————
—— G-1-294322————
—— O-1-19627————

Formation tops

As filed on W-2/G-1. Subsea from 590 ft elevation.Download CSV →

FormationMD ftSubsea
EscondidoESCONDIDO - DISPOSAL3,151-2,561
OlmosOLMOS - DISPOSAL4,558-3,968
San MiguelSAN MIGUEL - H2S5,733-5,143
Anacacho6,414-5,824
Austin ChalkAUSTIN CHALK - H2S6,808-6,218
Eagle FordEAGLE FORD - H2S7,369-6,779
EdwardsEDWARDS - H2S——
GeorgetownGEORGETOWN - H2S——
Glen RoseGLEN ROSE - DISPOSAL——
Pearsall——

Perforations

Perforated and open-hole intervals.

FromToType
8,59618,102Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,65312.25575 S
5.518,2028.754,010 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
00Apr 27, 2023Mar 31, 2023Yes
00Feb 14, 2023Jan 24, 2023—
00Apr 30, 2019Mar 20, 2019Yes
00Sep 18, 2018Jun 25, 2018Yes
00Aug 14, 2018——

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 →

Stumberg Ranch Unit E42-127-37650

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

Escondido3,158-2,568
Olmos4,550-3,960
San Miguel5,730-5,140
Anacacho6,405-5,815
Austin Chalk6,800-6,210
Eagle Ford7,354-6,764
Georgetown—
Edwards—

10 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37643

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

Escondido3,150-2,560
Olmos4,546-3,956
San Miguel5,718-5,128
Anacacho6,398-5,808
Austin Chalk6,794-6,204
Eagle Ford7,354-6,764
Edwards—
Pearsall—

10 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37644

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

Escondido3,141-2,551
Olmos4,547-3,957
San Miguel5,725-5,135
Anacacho6,400-5,810
Austin Chalk6,791-6,201
Eagle Ford7,349-6,759
Pearsall—
Edwards—

10 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37909

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

Escondido3,146-2,554
Olmos4,549-3,957
San Miguel5,727-5,135
Austin Chalk6,801-6,209
Eagle Ford7,366-6,774
Georgetown—
Pearsall—
Edwards—

9 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37645

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

Escondido3,146-2,556
Olmos4,546-3,956
San Miguel5,713-5,123
Anacacho6,391-5,801
Austin Chalk6,783-6,193
Eagle Ford7,331-6,741
Pearsall—
Glen Rose—

10 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37649

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

Escondido3,139-2,549
Olmos4,549-3,959
San Miguel5,710-5,120
Anacacho6,385-5,795
Austin Chalk6,776-6,186
Eagle Ford7,338-6,748
Edwards—
Georgetown—

10 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37638

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

Escondido3,159-2,568
Olmos4,560-3,969
San Miguel5,740-5,149
Anacacho6,426-5,835
Austin Chalk6,823-6,232
Eagle Ford7,380-6,789
Georgetown—
Pearsall—

10 TOPS · FIRST 8

Stumberg Ranch Unit E42-127-37639

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

Escondido3,154-2,563
Olmos4,558-3,967
San Miguel5,740-5,149
Anacacho6,427-5,836
Austin Chalk6,817-6,226
Eagle Ford7,379-6,788
Edwards—
Georgetown—

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/12737641, documented in the API reference.