WELL · 42-133-37298 · DISTRICT 7

Enserch #1

Plugged

Eastland County · Crawford (Marble Falls) field  · Vertical

Enserch #1 (API 42-133-37298) is a plugged well in Eastland County, plugged October 11, 2004, last operated by Sierra Oil Company.

The RRC has issued one drilling permit (amended once), issued July 22, 1988, permitted to 3,900 ft.

Completion filings report 4 formation tops, including Marble Falls, Duffer, Barnett, Mississippian.

Operator of record

Sierra Oil Company

Fort Worth, TX · P-5 Y, filed Jun 4, 2026 · 45 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSierra Oil Company
Production reportsSierra Oil Companythrough Sep 1998
Latest permitSierra Oil CompanyJul 22, 1988
3,900
total depth, ft
2
permits on file
Jul 22, 1988
last permit issued
Oct 8, 1988
completed
0
cumulative oil, bbl
2.93K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2004

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 8, 1988
Shut in
—
Plugged
Oct 11, 2004

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Enserch G-8-128858Crawford (Marble Falls)Sierra Oil Company102.93KJan 1993 – Oct 2004

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Sierra Oil CompanyJan 1993 → Sep 1998

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
349251-98DrillSierra Oil CompanyAug 8, 1988Jul 22, 1988—3,900
349251-99DrillSierra Oil CompanyJul 22, 1988Jul 22, 1988—3,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-8-128858————

Formation tops

As filed on W-2/G-1. Subsea from 1,445 ft elevation.Download CSV →

FormationMD ftSubsea
Marble Falls3,060-1,615
Duffer3,458-2,013
Barnett3,548-2,103
Mississippian3,669-2,224

Perforations

Perforated and open-hole intervals.

FromToType
3,1143,148Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62518012.25110 S
4.53,5877.875—

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
00Nov 18, 1988Nov 8, 1988Yes
00Nov 17, 1988——

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.

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/13337298, documented in the API reference.