TEXAS · WELLS · GAINES COUNTY · DENVER UNIT LEASE · API 42-165-00807 · DISTRICT 7B

Denver Unit #8510WC

On schedule

Gaines County · Wasson field · Injection · Vertical

Denver Unit #8510WC (API 42-165-00807) is a well in Gaines County operated by Occidental Permian Ltd., completed November 18, 2021 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued August 19, 2014, permitted to 5,086 ft.

Completion filings report 3 formation tops, including Yate, Queen, San Andres.

Its lease has reported 354M barrels of oil and 1.17B mcf of gas since the record begins in January 1993, last reporting volume in August 2026. The lease carries 2,471 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 108K barrels injected in the 12 months reported through September 2025.

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

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SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Occidental Permian Ltd.
Production reports	Occidental Permian Ltd.through Aug 2026
Latest permit	Occidental Permian Ltd.Aug 19, 2014

5,086: total depth, ft
1: permits on file
Aug 19, 2014: last permit issued
Nov 18, 2021: completed
354M: cumulative oil, bbl
1.17B: cumulative gas, mcf

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

On this page5 formation tops Lease production 2 completions Injection volumes

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Nov 18, 2021
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

Withinmiles

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 AUG 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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Denver Unit O-11-18910	Wasson	Occidental Permian Ltd.	2,471	354M	1.17B	by Jan 1993 – Aug 2026

Oil, barrels lease total

Last 12 months 6,697,193 · prior 12 7,027,275(-5%)

Gas, mcf lease total

Last 12 months 9,266,178 · prior 12 10,859,614(-15%)

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.

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
793119-99	Recompletion	Occidental Permian Ltd.	Jul 31, 2014	Aug 19, 2014	—	5,800

Completions

Completed	Lease	Field	Operator	Status	Depth
Nov 18, 2021	Denver Unit O-11-18910	Wasson	Occidental Permian Ltd.	Injection	5,086
—	Denver Unit O-11-18910	Wasson	Occidental Permian Ltd.	Not on Schedule	—

Formation tops

As filed on W-2/G-1. Subsea from 3,537 ft elevation.Download CSV →

Formation	MD ft	Subsea
Yate	2,800	737
Queen	4,000	-463
San Andres	4,200	-663
San Andres	4,295	-758
San Andres	4,760	-1,223

Perforations

Perforated and open-hole intervals.

From	To	Type
4,852	4,871	Perforated
4,884	5,031	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
7.625	2,075	11	425 S
7.625	2,084	9.5	425 S
7.625	2,084	11	425 S
5.5	4,892	6.75	500 S
5.5	4,894	6.75	500 S
5.5	4,894	7.875	500 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 →

RRC record date	W-2 / G-1 date	Logs referenced
Jun 21, 2022	Feb 24, 2022	—
Jul 5, 2016	Jun 2, 2016	—
Aug 16, 1988	Jul 29, 1988	—
Aug 12, 1988	—	—
Jan 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.

Wellbore filings for 42-165-00807 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-165-00807 → scanned completion filings

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 →

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

108K: bbl, last 12 reported months
4.41M: bbl, all reported
Sep 2025: reported through

UIC	Kind	Status	Permitted bbl/d	Max psi	Zone ft
000064350	H-1 Injection	Active	5,000	2,250	4,500–5,600

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

Last 12 months 108,137 · prior 12 90,583(+19%)

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

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