TEXAS · WELLS · SUTTON COUNTY · CAUTHORN, MACK "130" LEASE · API 42-435-33639 · DISTRICT 6E

Cauthorn Mack 130 #1305

On schedule

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

Permitted field
Shurley Ranch (Canyon)
The district's wildcat field is also on the permit.

Cauthorn Mack 130 #1305 (API 42-435-33639) is a well in Sutton County operated by Upp Operating LLC, completed April 27, 1991 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued June 25, 1990, permitted to 7,000 ft.

It was permitted by Graham Royalty, Ltd. and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Wolfcamp, Canyon.

Its lease has reported 265K mcf of gas since January 1993, last reporting volume in April 2026.

Operator of record

Upp Operating LLC

Permitted by Graham Royalty, Ltd.; 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 permitGraham Royalty, Ltd.Jun 25, 1990

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

7,000
total depth, ft
2
permits on file
Jun 25, 1990
last permit issued
Apr 27, 1991
completed
0
cumulative oil, bbl
265K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 27, 1991
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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
Cauthorn, Mack "130" G-9-139137Sawyer (Canyon)Upp Operating, LLC10265KJan 1993 – Apr 2026

Gas, mcf lease total

Last 12 months 2,585 · prior 12 2,655(-3%)

0100200300202420252026

Wells named Cauthorn Mack 130

Upp Operating LLC's other wells filed under this lease name in Sutton County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

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 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 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
374439-98DrillGraham Royalty, Ltd.Aug 10, 1990Jun 25, 1990Mar 24, 19918,000
374439-99DrillGraham Royalty, Ltd.Jun 13, 1990Jun 25, 1990—8,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 27, 1991Cauthorn Mack 130 G-9-139137Sawyer (Canyon)Upp Operating LLCProducing7,000

Formation tops

As filed on W-2/G-1. Subsea from 2,108 ft elevation.Download CSV →

FormationMD ftSubsea
WolfcampWOLFCAMP X3,070-962
CanyonTOP CANYON4,642-2,534

Perforations

Perforated and open-hole intervals.

FromToType
6,7466,788Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,05911335 S
4.57,0007.875700 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Oct 7, 1991Jul 16, 1991Yes
00Sep 9, 1991——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

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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

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