TEXAS · WELLS · SUTTON COUNTY · SHANNON 51 LEASE · API 42-435-34574 · DISTRICT 6E

Shannon 51 #4

Shut in

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

Shannon 51 #4 (API 42-435-34574) is a well in Sutton County operated by Upp Operating LLC, completed April 28, 1996 and listed as temp abandoned on the RRC schedule, shut in April 1, 2019.

The RRC has issued 2 drilling permits between 1996 and 2001, permitted to 8,000 ft.

It was permitted by Dreyfus, Louis Natural Gas Corp and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon, Strawn.

Its lease has reported 219 barrels of oil and 207K mcf of gas since April 1996, with no volume in the three years through April 2026.

Operator of record

Upp Operating LLC

Permitted by Dreyfus, Louis Natural Gas Corp; 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 2019
Latest permitDreyfus, Louis Natural Gas CorpSep 20, 2001

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

8,000
total depth, ft
2
permits on file
Sep 20, 2001
last permit issued
Apr 28, 1996
completed
219
cumulative oil, bbl
207K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1996 THROUGH Mar 2019

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 28, 1996
Shut in
Apr 1, 2019
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
Shannon 51 G-9-159676Sawyer (Canyon)Upp Operating, LLC1219207KApr 1996 – Mar 2019

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. 1Dreyfus, Louis Natural Gas CorpApr 1996 → Nov 2001
  2. 2Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
  3. 3Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
  4. 4Enervest Operating, L.L.C.Oct 2014 → Mar 2019

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
513789-99RecompletionDreyfus, Louis Natural Gas CorpSep 20, 2001Sep 20, 2001—7,998
446484-99DrillDreyfus, Louis Natural Gas CorpMar 29, 1996Mar 29, 1996Apr 8, 19968,025

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 28, 1996Shannon 51 G-9-159676Sawyer (Canyon)Upp Operating LLCTemp Abandoned · shut in Apr 1, 20198,000

Formation tops

As filed on W-2/G-1. Subsea from 2,383 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS9161,467
Wolfcamp3,907-1,524
Canyon6,462-4,079
Strawn7,522-5,139

Perforations

Perforated and open-hole intervals.

FromToType
6,5346,902Perforated
7,5587,794Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,23811335 S
4.57,9897.8751,050 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
00Sep 27, 1996Aug 23, 1996Yes
00Sep 9, 1996——

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/43534574, documented in the API reference.