TEXAS · WELLS · ECTOR COUNTY · API 42-135-34745 · DISTRICT 7B

Essex-Cowden -36- #1

Plugged

Ector County · Harper field  · Vertical

Essex-Cowden -36- #1 (API 42-135-34745) is a plugged well in Ector County, plugged April 1, 1987, last operated by Rust Oil Corp..

The RRC has issued one drilling permit, issued December 31, 1984, permitted to 4,500 ft.

Completion filings report 2 formation tops, including Grayburg, San Andres.

Operator of record

Rust Oil Corp.

Based in
Fort Worth, TX
P-5 status
Active – Extension (X)
P-5 last filed
Nov 17, 2025
Permits on file
317
Phone
(817) 732-9383

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRust Oil Corp.
Production reportsnone
Latest permitRust Oil Corp.Dec 31, 1984
4,500
total depth, ft
1
permits on file
Dec 31, 1984
last permit issued
Aug 22, 1985
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 22, 1985
Shut in
—
Plugged
Apr 1, 1987

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.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
263129-99DrillRust Oil Corp.Dec 28, 1984Dec 31, 1984—4,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 22, 1985Essex-Cowden -36- O-10-30093HarperRust Oil Corp.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 3,038 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg3,938-900
GrayburgTOP GRAYBURG3,938-900
San Andres4,234-1,196
San AndresTOP SAN ANDRES4,234-1,196

Perforations

Perforated and open-hole intervals.

FromToType
4,1254,166Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62539212.25250 S
4.54,4007.875200 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
00Feb 28, 1986Feb 18, 1986—
00Oct 2, 1985Aug 30, 1985—
00Sep 20, 1985——

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/13534745, documented in the API reference.