Petrora

TEXAS · WELLS · WINKLER COUNTY · API 42-495-03499 · DISTRICT 7B

E. W. Cowden Unit #1

Shut in

Winkler County · Emperor (Wolfcamp) field · SWR-10-Well  · Vertical

E. W. Cowden Unit #1 (API 42-495-03499) is a well in Winkler County operated by Permex Petroleum Corporation, completed December 2, 1998 and listed as swr-10-well on the RRC schedule, shut in January 1, 2023.

The RRC has issued 3 drilling permits (amended once) between 1992 and 1998, permitted to 11,524 ft.

It was permitted by Union Oil Company Of California and has since transferred to Permex Petroleum Corporation on the wellbore schedule.

Completion filings report 5 formation tops, including Wichita-Albany, Wolfcamp, Silurian (undifferentiated), Devonian.

No lease production has been reported under this well’s leases.

Operator of record

Permex Petroleum Corporation

Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.

Based in
Graham, TX
P-5 status
Delinquent (D)
P-5 last filed
Aug 22, 2025
Permits on file
4
Phone
(940) 549-0131
Watch this operatorWatch Winkler County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnion Oil Company of California
Production reportsPermex Petroleum Corporationthrough Jun 2025
Latest permitUnion Oil Company of CaliforniaNov 17, 1998

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

11,524
total depth, ft
4
permits on file
Nov 17, 1998
last permit issued
Dec 2, 1998
completed
0
cumulative oil, bbl
535K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 2, 1998
Shut in
Jan 1, 2023
Plugged
—

Operator's P-5 on the schedule: Delinquent (D)

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 4 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cowden, E. W. Unit G-10-160214Emperor (Wichita Albany)Permex Petroleum Corporation10145KJul 1994 – Jul 2026
E. W. Cowden Unit G-10-171453Emperor (Wolfcamp)Permex Petroleum Corporation10389KDec 1998 – Jul 2026
E.W. Cowden Unit G-10-147741Emperor (Pennsylvanian)Union Oil Company of California10904Jan 1993 – Jan 1999
— G-10-19768——000—

Gas, mcf lease total

Last 12 months 1,244 · prior 12 870(+43%)

05001K202420252026

Chain of custody

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

  1. 1Union Oil Company of CaliforniaDec 1993 → May 2000
  2. 2Pure Resources, L.P.Jun 2000 → Mar 2006
  3. 3Chevron Midcontinent, L.P.Apr 2006 → Feb 2022
  4. 4Ruckus Energy Operating, LLCMar 2022 → Dec 2022
  5. 5Permex Petroleum CorporationFeb 2025 → Jun 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
480820-99RecompletionUnion Oil Company of CaliforniaNov 12, 1998Nov 17, 1998Nov 16, 19987,500
451883-99RecompletionUnion Oil Company of CaliforniaAug 26, 1996Aug 27, 1996Jul 13, 19947,210
400761-98RecompletionUnion Oil Company of CaliforniaDec 11, 1992Jul 3, 1992Jun 26, 19928,500
400761-99RecompletionUnion Oil Company of CaliforniaJul 1, 1992Jul 3, 1992—7,400

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 23, 2009Cowden E. W. Unit G-10-160214Emperor (Wichita Albany)Permex Petroleum CorporationTemp Abandoned · shut in Feb 1, 202211,524
Dec 2, 1998E. W. Cowden Unit G-10-171453Emperor (Wolfcamp)Permex Petroleum CorporationSWR-10-Well · shut in Jan 1, 202311,524
Jul 6, 1992E.W. Cowden Unit G-10-147741Emperor (Pennsylvanian)Union Oil Company of CaliforniaNot on Schedule—
Oct 4, 1958Cowden E. W. Unit G-10-19768Emperor (Devonian)Union Oil Company of CaliforniaNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,811 ft elevation.Download CSV →

FormationMD ftSubsea
Wichita-AlbanyWICHITA ALBANY6,920-4,109
Wolfcamp7,120-4,309
Silurian (undifferentiated)SILURIAN7,580-4,769
Devonian8,650-5,839
Ellenburger10,260-7,449

Perforations

Perforated and open-hole intervals.

FromToType
6,9717,076Perforated
7,2107,238Perforated
7,2107,435Perforated
7,3807,435Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.375753—760 S
13.37575517.5760 S
13.375755—760 S
52,033—226 S
9.6254,01112.25675 S
9.6254,011—675 S
79,6038.751,100 S
79,603——
79,605—1,100 S
211,842——

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
00Feb 1, 2010Jun 29, 2009—
00Feb 10, 1999Dec 23, 1998—
00Jan 29, 1999——
00Jan 31, 1997Oct 9, 1996Yes
00Oct 30, 1996——
00Apr 11, 1994Jul 21, 1992Yes
00Jan 28, 1994——
00Jan 12, 1984Oct 24, 1958—

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.

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/49503499, documented in the API reference.