TEXAS · WELLS · GAINES COUNTY · DENVER UNIT LEASE · API 42-165-31613 · DISTRICT 7B

Denver Unit #6637

On schedule

Gaines County · Wasson field · Producing  · Vertical

Denver Unit #6637 (API 42-165-31613) is a well in Gaines County operated by Occidental Permian Ltd., completed June 1, 2022 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 1979 and 2001, permitted to 5,245 ft.

Completion filings report 4 formation tops, including Tansill, Yates, Grayburg, San Andres.

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

Operator of record

Occidental Permian Ltd.

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 permitOccidental Permian Ltd.Jun 1, 2001
5,245
total depth, ft
2
permits on file
Jun 1, 2001
last permit issued
Jun 1, 2022
completed
352M
cumulative oil, bbl
1.17B
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH APR 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 1, 2022
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; they carry 2,471 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Denver Unit O-11-18910WassonOccidental Permian Ltd.2,471352M1.17Bby Jan 1993 – Apr 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

Wells named Denver Unit

Occidental Permian Ltd.'s other wells filed under this lease name in Gaines 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. 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
509495-99RecompletionOccidental Permian Ltd.May 29, 2001Jun 1, 2001—5,600
49654-99DrillShell Oil CompanyMay 29, 1979May 29, 1979Jun 17, 19795,250

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 1, 2022Denver Unit O-11-18910WassonOccidental Permian Ltd.Producing5,245

Formation tops

As filed on W-2/G-1. Subsea from 3,539 ft elevation.Download CSV →

FormationMD ftSubsea
Tansill2,836703
Yates2,973566
Grayburg4,143-604
San Andres4,446-907

Perforations

Perforated and open-hole intervals.

FromToType
4,8795,047Perforated
4,8795,090Perforated
4,8795,245Perforated
5,1165,245Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62538412.25275 S
2.8755,086——
75,1168.751,350 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
00Oct 30, 2023Oct 17, 2023—
00May 10, 2016Apr 27, 2016—
00Jan 12, 1984Aug 31, 1979—

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. The University Lands library has no per-well link: then paste it into its search.

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/16531613, documented in the API reference.