WELL · 42-003-05364 · DISTRICT 8

Shafter Lake /Wolfcamp/ Unit #D 6

N

Andrews County · Shafter Lake (Wolfcamp) field  · Vertical

Shafter Lake /Wolfcamp/ Unit #D 6 (API 42-003-05364) is a former disposal or injection well in Andrews County, last operated by Arco Oil & Gas CO.; its UIC permit is no longer active.

The RRC has issued one drilling permit, issued May 20, 1987, permitted to 9,888 ft.

Its 2 leases have reported 400K barrels of oil and 185K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.

Operator of record

Arco Oil & Gas Co.

Based in
Plano, TX
P-5 status
Inactive (I)
P-5 last filed
Nov 23, 2004
Permits on file
3,065
Phone
(972) 509-7001

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleArco Oil & Gas Co.
Production reportsHighmark Energy Operating, LLCthrough Apr 2026
Latest permitArco Oil & Gas Co.May 20, 1987

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

9,888
total depth, ft
1
permits on file
May 20, 1987
last permit issued
—
completed
400K
cumulative oil, bbl
185K
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 2 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 153 O-10-5505Shafter Lake (Devonian)Highmark Energy Operating, LLC6400K185KJan 1993 – Jul 2026
— O-10-17621——000—

Oil, barrels lease total

Last 12 months 5,335 · prior 12 5,275(+1%)

05001K202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 985(-100%)

0100200300202420252026

Chain of custody

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

  1. 1Henry Petroleum Corp.Jan 1993 → Mar 2001
  2. 2Henry Petroleum LPApr 2001 → Dec 2008
  3. 3COG Operating LLCJan 2009 → Dec 2012
  4. 4Legacy Reserves Operating LPJan 2013 → Feb 2023
  5. 5Highmark Energy Operating, LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
329883-99RecompletionArco Oil & Gas Co.May 6, 1987May 20, 1987—9,888

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-5505————
—— O-10-5505————
—— O-10-17621————

Perforations

Perforated and open-hole intervals.

FromToType
9,4909,862Perforated
9,5729,715Perforated
9,8319,862Perforated
9,8589,888Open hole
—9,425Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.375279—250 S
9.6254,137—1,500 S
4.59,4397700 S
79,858—750 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
00Oct 26, 1994Nov 21, 1988—
00Dec 22, 1988Nov 21, 1988—
00Nov 2, 1988Oct 6, 1988—
00Sep 10, 1987Aug 19, 1987—
00Aug 27, 1987——
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
63.3K
bbl, all reported
Jun 1985
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000019707UIC PermitCanceled Feb 21, 1989000–0

MONTHLY INJECTED, BBL · H-10 · LAST 16 REPORTED MONTHS

Last 12 months 0 · prior 12 36,490(-100%)

05K10K19841985

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/00305364, documented in the API reference.