WELL · 42-435-33356 · DISTRICT 7

Brown Ranch B #146

Plugged

Sutton County · Whitehead (Strawn) field  · Vertical

Brown Ranch B #146 (API 42-435-33356) is a plugged well in Sutton County, plugged June 6, 2024, last operated by Upp Operating LLC.

The RRC has issued one drilling permit, issued July 24, 1987, permitted to 9,400 ft.

It was permitted by Sonora Southwest Partnership and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Canyon, Strawn, Woodford.

Operator of record

Upp Operating LLC

Permitted by Sonora Southwest Partnership; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Sep 2020
Latest permitSonora Southwest PartnershipJul 24, 1987

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

9,400
total depth, ft
1
permits on file
Jul 24, 1987
last permit issued
Sep 26, 1987
completed
0
cumulative oil, bbl
346K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 26, 1987
Shut in
—
Plugged
Jun 6, 2024

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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
Brown Ranch "B" G-9-125543Whitehead (Strawn)Upp Operating, LLC10346KJan 1993 – Jun 2024

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Graham Royalty, Ltd.Jan 1993 → Oct 1993
  2. 2Dreyfus, Louis Natural Gas CorpNov 1993 → Nov 2001
  3. 3Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2006
  4. 4Highmount Expl & Prod Texas LLCJul 2010 → Sep 2014
  5. 5Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  6. 6Upp Operating, LLCApr 2019 → Sep 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
333412-99DrillSonora Southwest PartnershipJul 24, 1987Jul 24, 1987—9,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-125543————

Formation tops

As filed on W-2/G-1. Subsea from 2,201 ft elevation.Download CSV →

FormationMD ftSubsea
CanyonTOP CANYON SAND SEC.6,736-4,535
CanyonBASE CANYON SAND SEC7,420-5,219
StrawnTOP STRAWN LIME8,744-6,543
WoodfordTOP WOODFORD9,328-7,127

Perforations

Perforated and open-hole intervals.

FromToType
8,7539,167Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,32112.25515 S
4.59,4117.875800 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
00Nov 16, 1987Oct 26, 1987Yes
00Nov 13, 1987——

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.

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/43533356, documented in the API reference.