TEXAS · WELLS · SUTTON COUNTY · CANYON RANCH LEASE · API 42-435-34816 · DISTRICT 6E

Canyon Ranch #8310S

Y

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

Canyon Ranch #8310S (API 42-435-34816) is a well in Sutton County operated by Upp Operating LLC, completed April 1, 1998 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 1998 and 2001, permitted to 5,550 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 3 formation tops, including Base Cretaceous (marker), Wlfcmp, Canyon.

Its lease has reported 222 barrels of oil and 359K mcf of gas since March 1998, last reporting volume in 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 Apr 2026
Latest permitDreyfus, Louis Natural Gas CorpMay 25, 2001

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
2
permits on file
May 25, 2001
last permit issued
Apr 1, 1998
completed
222
cumulative oil, bbl
359K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 1998 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 1, 1998
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.

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
Canyon Ranch G-9-168075Sawyer (Canyon)Upp Operating, LLC1222359KMar 1998 – Apr 2026

Gas, mcf lease total

Last 12 months 3,716 · prior 12 3,894(-5%)

0200400600202420252026

Chain of custody

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

  1. 1Dreyfus, Louis Natural Gas CorpMar 1998 → 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
  5. 5Upp Operating, LLCApr 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
509438-99RecompletionDreyfus, Louis Natural Gas CorpMay 25, 2001May 25, 2001—5,550
474139-99DrillDreyfus, Louis Natural Gas CorpMar 6, 1998Mar 6, 1998Mar 11, 19985,550

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 1, 1998Canyon Ranch G-9-168075Sawyer (Canyon)Upp Operating LLCProducing5,550

Formation tops

As filed on W-2/G-1. Subsea from 2,297 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS9371,360
Wlfcmp2,712-415
Canyon3,666-1,369

Perforations

Perforated and open-hole intervals.

FromToType
5,1785,252Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,21711300 S
4.55,5057.875900 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 23, 1998May 6, 1998Yes
00May 28, 1998——

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/43534816, documented in the API reference.