WELL · 42-137-31740 · DISTRICT 1

Four Square Ranch B #543E

Y

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

Four Square Ranch B #543E (API 42-137-31740) is a well in Edwards County operated by Upp Operating LLC, completed August 21, 2005 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 2004 and 2009, permitted to 7,800 ft.

It was permitted by Highmount Expl & Prod Texas LLC and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Base Cretaceous (marker), Canyon, Ellenburger.

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

Operator of record

Upp Operating LLC

Permitted by Highmount Expl & Prod Texas LLC; 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 Feb 2026
Latest permitHighmount Expl & Prod Texas LLCFeb 25, 2009

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

7,800
total depth, ft
2
permits on file
Feb 25, 2009
last permit issued
Aug 21, 2005
completed
0
cumulative oil, bbl
240K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2004 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 21, 2005
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Four Square Ranch "B" G-1-203971Snakebite (Ellenburger)Upp Operating, LLC109.88KSep 2004 – Jul 2026
Four Square Ranch B G-9-250824Sawyer (Canyon)Upp Operating, LLC10230KAug 2005 – Jul 2026

Gas, mcf lease total

Last 12 months 5,892 · prior 12 7,186(-18%)

05001K202420252026

Chain of custody

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

  1. 1Dominion Oklahoma Texas E&P, IncSep 2004 → Jul 2005
  2. 2Highmount Expl & Prod Texas LLCAug 2005 → Sep 2014
  3. 3Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  4. 4Upp Operating, LLCApr 2019 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
678667-99RecompletionHighmount Expl & Prod Texas LLCFeb 17, 2009Feb 25, 2009Jul 27, 20047,800
546239-99DrillDominion Oklahoma Texas E&P, IncMay 27, 2004Jun 24, 2004Jul 6, 20047,450

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-250824————
—— G-1-203971————

Formation tops

As filed on W-2/G-1. Subsea from 2,286 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS1,1501,136
Canyon3,000-714
Ellenburger6,620-4,334
Ellenburger6,670-4,384

Perforations

Perforated and open-hole intervals.

FromToType
4,6705,712Perforated
6,6306,658Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,28312.25470 S
4.57,0257.875830 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 10, 2010Mar 9, 2009Yes
00Sep 14, 2009——
00Jan 25, 2005Oct 6, 2004Yes
00Nov 3, 2004——

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/13731740, documented in the API reference.