TEXAS · WELLS · SUTTON COUNTY · MCMILLAN, LEO H. -11- LEASE · API 42-435-32795 · DISTRICT 6E

McMillan Leo H. -11- #6

Shut in

Sutton County · Sawyer (Canyon) field · Temp Abandoned  · Vertical

Mcmillan Leo H. -11- #6 (API 42-435-32795) is a well in Sutton County operated by Upp Operating LLC, completed January 21, 1983 and listed as temp abandoned on the RRC schedule, shut in September 1, 2008.

The RRC has issued one drilling permit, issued July 16, 1982, permitted to 5,550 ft.

It was permitted by Mitchell Energy Corporation and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including T/Canyon Sands, Upper Main Canyon, Lower Main Canyon.

Its lease has reported 80 barrels of oil and 208K mcf of gas since the record begins in January 1993, with no volume in the three years through August 2026.

Operator of record

Upp Operating LLC

Permitted by Mitchell Energy Corporation; 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 Aug 2008
Latest permitMitchell Energy CorporationJul 16, 1982

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

5,550
total depth, ft
1
permits on file
Jul 16, 1982
last permit issued
Jan 21, 1983
completed
80
cumulative oil, bbl
208K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2008

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 21, 1983
Shut in
Sep 1, 2008
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 AUG 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
McMillan, Leo H. -11- G-9-103670Sawyer (Canyon)Upp Operating, LLC180208Kby Jan 1993 – Aug 2008

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

Wells named McMillan Leo H. -11-

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. 1Mitchell Energy CorporationJan 1993 → Jul 1995
  2. 2Dreyfus, Louis Natural Gas CorpAug 1995 → Nov 2001
  3. 3Dominion Oklahoma Texas E&P, IncDec 2001 → Jun 2007
  4. 4Highmount Expl & Prod Texas LLCApr 2008 → Aug 2008

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
166493-99DrillMitchell Energy CorporationJul 16, 1982Jul 16, 1982Oct 14, 19826,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 21, 1983McMillan Leo H. -11- G-9-103670Sawyer (Canyon)Upp Operating LLCTemp Abandoned · shut in Sep 1, 20085,550

Formation tops

As filed on W-2/G-1. Subsea from 2,244 ft elevation.Download CSV →

FormationMD ftSubsea
T/Canyon Sands3,899-1,655
Upper Main Canyon5,229-2,985
Lower Main Canyon5,294-3,050

Perforations

Perforated and open-hole intervals.

FromToType
5,1485,315Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,14011300 S
4.55,5507.875275 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
00Jun 7, 1985Jan 31, 1983—
00Jan 12, 1984——

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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