TEXAS · WELLS · SUTTON COUNTY · MAYFIELD 34 LEASE · API 42-435-33670 · DISTRICT 6E

Mayfield 34 #7

Shut in

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

Mayfield 34 #7 (API 42-435-33670) is a well in Sutton County operated by Upp Operating LLC, completed November 19, 1990 and listed as temp abandoned on the RRC schedule, shut in April 1, 2009.

The RRC has issued one drilling permit, issued September 12, 1990, permitted to 7,450 ft.

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

Completion filings report one formation top, including Canyon.

Its lease has reported 347 barrels of oil and 88K mcf of gas since January 1993, with no volume in the three years through April 2026.

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 Mar 2009
Latest permitAmerican Exploration CompanySep 12, 1990

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

7,450
total depth, ft
1
permits on file
Sep 12, 1990
last permit issued
Nov 19, 1990
completed
347
cumulative oil, bbl
88K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2009

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 19, 1990
Shut in
Apr 1, 2009
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
Mayfield 34 G-9-136926Sawyer (Canyon)Upp Operating, LLC134788KJan 1993 – Mar 2009

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

Chain of custody

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

  1. 1American Exploration CompanyJan 1993 → Jul 1995
  2. 2Dreyfus, Louis Natural Gas CorpAug 1995 → Nov 2001
  3. 3Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
  4. 4Highmount Expl & Prod Texas LLCJan 2008 → Mar 2009

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
377740-99DrillAmerican Exploration CompanySep 10, 1990Sep 12, 1990—7,850

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 19, 1990Mayfield 34 G-9-136926Sawyer (Canyon)Upp Operating LLCTemp Abandoned · shut in Apr 1, 20097,450

Formation tops

As filed on W-2/G-1. Subsea from 2,258 ft elevation.Download CSV →

FormationMD ftSubsea
CanyonCANYON (TOP)6,395-4,137
CanyonCANYON (BTM)7,340-5,082

Perforations

Perforated and open-hole intervals.

FromToType
7,0867,313Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,10111600 S
4.57,4427.875390 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
00Apr 4, 1991Dec 18, 1990Yes
00Feb 15, 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.

Find logs withinmiles of this well:List →Map →

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/43533670, documented in the API reference.