WELL · 42-435-33432 · DISTRICT 7

Morriss Brothers Ranch K #126

Y

Sutton County · Whitehead (Strawn) field · Producing  · Vertical

Morriss Brothers Ranch K #126 (API 42-435-33432) is a well in Sutton County operated by Upp Operating LLC, completed October 12, 1988 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 25, 1988, permitted to 9,500 ft.

It was permitted by Sonora Southwest Partnership and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Canyon, Top Lower Stray Canyon Sand, Strawn.

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

Operator of record

Upp Operating LLC

Permitted by Sonora Southwest Partnership; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Feb 2026
Latest permitSonora Southwest PartnershipAug 25, 1988

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

9,500
total depth, ft
1
permits on file
Aug 25, 1988
last permit issued
Oct 12, 1988
completed
0
cumulative oil, bbl
209K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 12, 1988
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Morriss Brothers Ranch "K" G-9-128802Whitehead (Strawn)Upp Operating, LLC10209KJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 417 · prior 12 598(-30%)

050100202420252026

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 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
350461-99DrillSonora Southwest PartnershipAug 24, 1988Aug 25, 1988—9,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-128802————

Formation tops

As filed on W-2/G-1. Subsea from 2,038 ft elevation.Download CSV →

FormationMD ftSubsea
CanyonTOP CANYON SAND SECTION6,474-4,436
CanyonBASE CANYON SAND SECTION7,190-5,152
Top Lower Stray Canyon Sand8,464-6,426
StrawnTOP STRAWN8,622-6,584

Perforations

Perforated and open-hole intervals.

FromToType
8,4678,858Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,31412.25555 S
4.59,1717.875285 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
00Dec 21, 1988Nov 2, 1988Yes
00Nov 10, 1988——

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/43533432, documented in the API reference.