TEXAS · WELLS · SUTTON COUNTY · ESPY 56 LEASE · API 42-435-34999 · DISTRICT 6E

Espy 56 #12

On schedule

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

Fields on the latest permit · any of 2
Fawcett (Wolfcamp) · Sawyer (Canyon)
Not one formation; the well must be completed in one of them, and no target formation is stated.

Espy 56 #12 (API 42-435-34999) is a well in Sutton County operated by Upp Operating LLC, completed November 19, 2000 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 12, 1999, permitted to 6,000 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 3 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon.

Its lease has reported 807 barrels of oil and 251K mcf of gas since November 1999, 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 CorpOct 12, 1999

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

6,000
total depth, ft
1
permits on file
Oct 12, 1999
last permit issued
Nov 19, 2000
completed
807
cumulative oil, bbl
251K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 1999 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 19, 2000
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.

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 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
Espy 56 G-9-176196Sawyer (Canyon)Upp Operating, LLC1807251KNov 1999 – Apr 2026

Gas, mcf lease total

Last 12 months 12,624 · prior 12 799

01K2K202420252026

Wells named Espy 56

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. 1Dreyfus, Louis Natural Gas CorpNov 1999 → 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
488454-99DrillDreyfus, Louis Natural Gas CorpOct 12, 1999Oct 12, 1999Nov 1, 19996,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 19, 2000Espy 56 G-9-176196Sawyer (Canyon)Upp Operating LLCProducing6,000

Formation tops

As filed on W-2/G-1. Subsea from 2,118 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS7821,336
Wolfcamp1,995123
Canyon4,320-2,202

Perforations

Perforated and open-hole intervals.

FromToType
5,5225,778Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,10511240 S
4.55,9987.875655 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
00May 24, 2000Apr 17, 2000—
00Apr 19, 2000Mar 6, 2000Yes
00Mar 28, 2000——

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

Developers: this page as JSON is GET /v1/data/wells/43534999, documented in the API reference.