TEXAS · WELLS · GAINES COUNTY · DENVER UNIT LEASE · API 42-165-00818 · DISTRICT 7B

Denver Unit #8501

Plugged

Gaines County · Wasson field  · Vertical

Denver Unit #8501 (API 42-165-00818) is a plugged well in Gaines County, plugged July 27, 1992, last operated by Occidental Permian Ltd..

The RRC has issued one drilling permit, issued August 22, 1983, permitted to 5,129 ft.

It was permitted by Shell Oil Company and has since transferred to Occidental Permian Ltd. on the wellbore schedule.

Its lease has reported 352M barrels of oil and 1.17B mcf of gas since January 1993, last reporting in July 2026. The lease carries 2,471 wells, so these are lease totals, not this well alone.

Operator of record

Occidental Permian Ltd.

Permitted by Shell Oil Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Feb 2, 2026
Permits on file
6,251
Phone
(713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOccidental Permian Ltd.
Production reportsOccidental Permian Ltd.through Apr 2026
Latest permitShell Oil CompanyAug 22, 1983

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

5,129
total depth, ft
1
permits on file
Aug 22, 1983
last permit issued
Aug 3, 1988
completed
352M
cumulative oil, bbl
1.17B
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 3, 1988
Shut in
—
Plugged
Jul 27, 1992

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; they carry 2,471 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Denver Unit O-11-18910WassonOccidental Permian Ltd.2,471352M1.17BJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 6,889,269 · prior 12 7,061,574(-2%)

0500K1M202420252026

Gas, mcf lease total

Last 12 months 9,464,854 · prior 12 11,150,167(-15%)

0500K1M1.5M202420252026

Chain of custody

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

  1. 1Shell Western E&P Inc.Jan 1993 → Feb 1997
  2. 2Altura Energy Ltd.Mar 1997 → Apr 2000
  3. 3Occidental Permian Ltd.May 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
206753-99DrillShell Oil CompanyJul 27, 1983Aug 22, 1983—5,129

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 3, 1988Denver Unit O-11-18910WassonOccidental Permian Ltd.Plugged—
—Denver Unit O-11-18910WassonOccidental Permian Ltd.Plugged—

Perforations

Perforated and open-hole intervals.

FromToType
4,8684,978Perforated
4,8685,078Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.75236—250 S
7.6252,124—450 S
2.8754,560——
5.54,903—425 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
00Apr 7, 1989Mar 20, 1989—
00Jan 12, 1984Aug 15, 1983—
00Jan 12, 1984——

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) and the University Lands library. then paste it into their search.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
31.9K
bbl, all reported
Aug 1991
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000029067H-1 InjectionPlugged Sep 2, 19921,5001,2004,680–5,100

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0119901991

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/16500818, documented in the API reference.