WELL · 42-501-01716 · DISTRICT 8

Denver Unit #3817WC

N

Yoakum County · Wasson field  · Vertical

Denver Unit #3817WC (API 42-501-01716) is a disposal or injection well in Yoakum County operated by Occidental Permian Ltd. under an active UIC permit.

The RRC has issued one drilling permit, issued August 13, 2003, permitted to 5,600 ft.

Completion filings report 3 formation tops, including Yates, Grayburg, San Andres.

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.

It holds an active disposal or injection permit, with 348K barrels injected in the 12 months reported through September 2025.

Operator of record

Occidental Permian Ltd.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (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.Aug 13, 2003
5,600
total depth, ft
1
permits on file
Aug 13, 2003
last permit issued
—
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
—
Shut in
—
Plugged
—

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
535138-99RecompletionOccidental Permian Ltd.Aug 11, 2003Aug 13, 2003Nov 15, 20035,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-18910————
—— O-11-18910————

Formation tops

As filed on W-2/G-1. Subsea from 3,593 ft elevation.Download CSV →

FormationMD ftSubsea
Yates3,020573
Grayburg4,175-582
San Andres4,455-862

Perforations

Perforated and open-hole intervals.

FromToType
4,9205,183Open hole
4,9205,336Perforated
4,9205,336Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7537613.75150 S
74,9208.75200 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
00Jun 12, 2023Feb 13, 2023—
00Jul 7, 2004Jan 29, 2004Yes
00Jan 7, 1998Oct 10, 1997—
00Dec 17, 1997——
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). then paste it into their search.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

348K
bbl, last 12 reported months
8.92M
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000085541H-1 InjectionActive4,5002,2004,533–5,495

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

Last 12 months 347,600 · prior 12 562,089(-38%)

050K100K20242025

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/50101716, documented in the API reference.