WELL · 42-435-34431 · DISTRICT 7

Shurley 141 #12

Y

Sutton County · Sawyer (Canyon) field · Producing  · Vertical

Shurley 141 #12 (API 42-435-34431) is a well in Sutton County operated by Upp Operating LLC, completed April 18, 1996 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 28, 1994, permitted to 7,370 ft.

It was permitted by American Exploration Company and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Base Cretaceou, Wolfcamp, Canyon, Strawn.

No lease production has been reported under this well’s leases.

Operator of record

Upp Operating LLC

Permitted by American Exploration Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 6, 2026
Permits on file
33
Phone
(713) 495-5300

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Apr 2026
Latest permitAmerican Exploration CompanyDec 28, 1994

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

7,370
total depth, ft
1
permits on file
Dec 28, 1994
last permit issued
Apr 18, 1996
completed
0
cumulative oil, bbl
481K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1996 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 18, 1996
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
Shurley 141 G-9-158615Sawyer (Canyon)Upp Operating, LLC10481KApr 1996 – Jul 2026

Gas, mcf lease total

Last 12 months 681 · prior 12 677(+1%)

050100202420252026

Chain of custody

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

  1. 1Dreyfus, Louis Natural Gas CorpApr 1996 → Nov 2001
  2. 2Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
  3. 3Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
  4. 4Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  5. 5Upp Operating, LLCApr 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
431347-99DrillAmerican Exploration CompanyDec 27, 1994Dec 28, 1994Feb 27, 19967,370

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-158615————

Formation tops

As filed on W-2/G-1. Subsea from 2,017 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceou7021,315
Wolfcamp2,553-536
Canyon5,166-3,149
Strawn7,328-5,311

Perforations

Perforated and open-hole intervals.

FromToType
5,3286,544Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,28211375 S
4.57,5067.875840 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
00Aug 5, 1996Jun 4, 1996Yes
00Jul 3, 1996——

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/43534431, documented in the API reference.