TEXAS · WELLS · EDWARDS COUNTY · FOUR SQUARE RANCH "A" LEASE · API 42-137-31290 · DISTRICT 01

Four Square Ranch A #0541EH

Y

Edwards County · Snakebite (Ellenburger) field · Producing  · Horizontal

Four Square Ranch A #0541EH (API 42-137-31290) is a horizontal well in Edwards County operated by Upp Operating LLC, completed January 26, 1998 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued September 19, 1996, permitted to 10,087 ft.

It was permitted by Burlington Resources Oil&Gas CO. and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 8 formation tops, including Base Cretaceous (marker), Cretaceus Base, Canyon, T/Canyon.

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

Operator of record

Upp Operating LLC

Permitted by Burlington Resources Oil&gas Co.; 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 permitBurlington Resources Oil&gas Co.Sep 19, 1996

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

10,087
total depth, ft
3
permits on file
Sep 19, 1996
last permit issued
Jan 26, 1998
completed
0
cumulative oil, bbl
6.46M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 1996 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 26, 1998
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
Four Square Ranch "A" G-1-163552Snakebite (Ellenburger)Upp Operating, LLC106.46MDec 1996 – Jul 2026

Gas, mcf lease total

Last 12 months 64,870 · prior 12 86,848(-25%)

05K10K202420252026

Chain of custody

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

  1. 1Burlington Resources Oil&gas Co.Dec 1996 → Dec 2000
  2. 2Burlington Resources O & G Co LPJan 2001 → May 2002
  3. 3Dominion Oklahoma Texas E&P, IncJun 2002 → Dec 2007
  4. 4Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
  5. 5Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  6. 6Upp Operating, LLCApr 2019 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
452915-97DrillBurlington Resources Oil&gas Co.Feb 13, 1997Sep 19, 1996—6,552
452915-98DrillBurlington Resources Oil&gas Co.Oct 29, 1996Sep 19, 1996Nov 2, 19966,800
452915-99DrillBurlington Resources Oil&gas Co.Sep 19, 1996Sep 19, 1996—6,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 26, 1998Four Square Ranch A G-1-163552Snakebite (Ellenburger)Upp Operating LLCProducing10,087

Formation tops

As filed on W-2/G-1. Subsea from 2,291 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE OF CRETACEOUS1,2251,066
Cretaceus Base1,2251,066
CanyonCANYON TOP3,075-784
T/Canyon3,075-784
Holman4,610-2,319
PennsylvanianPENN LIME6,636-4,345
PennsylvanianPENN LM.6,636-4,345
Ellen.6,680-4,389
Ellenburger6,680-4,389

Perforations

Perforated and open-hole intervals.

FromToType
6,94810,087Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,21812.25530 S
76,9488.75650 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
00Mar 17, 1998Feb 6, 1998—
00Aug 18, 1997Feb 27, 1997Yes
00Jul 24, 1997——

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/13731290, documented in the API reference.