WELL · 42-163-32755 · DISTRICT 1

Kiefer #1

Plugged

Frio County · Pearsall (Austin Chalk) field  · Horizontal

Kiefer #1 (API 42-163-32755) is a plugged horizontal well in Frio County, plugged September 17, 1998, last operated by Strand Energy L.C..

The RRC has issued one drilling permit, issued June 19, 1990, permitted to 6,200 ft.

It was permitted by Windsor Exploration Company and has since transferred to Strand Energy L.C. on the wellbore schedule.

Completion filings report 3 formation tops, including San Miguel, Anacacho, T/Austin Chalk.

Its lease has reported 14.5K barrels of oil and 5.17K mcf of gas since January 1993, last reporting in August 2003.

Operator of record

Strand Energy L.C.

Permitted by Windsor Exploration Company; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Mar 4, 2026 · 321 permits on file · (713) 202-7160

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleStrand Energy L.C.
Production reportsJab Operating, Inc.through Jan 1996
Latest permitWindsor Exploration CompanyJun 19, 1990

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

6,200
total depth, ft
1
permits on file
Jun 19, 1990
last permit issued
Jul 28, 1990
completed
14.5K
cumulative oil, bbl
5.17K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 28, 1990
Shut in
—
Plugged
Sep 17, 1998

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
Kiefer O-1-12655Pearsall (Austin Chalk)Strand Energy, L.C.114.5K5.17KJan 1993 – Aug 2003

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. 1Windsor Exploration CompanyJan 1993 → Jun 1993
  2. 2Jab OperatingJul 1993 → Aug 1993
  3. 3Jab Operating, Inc.Sep 1993 → Jan 1996

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
374699-99DrillWindsor Exploration CompanyJun 19, 1990Jun 19, 1990—6,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-12655————

Formation tops

As filed on W-2/G-1. Subsea from 553 ft elevation.Download CSV →

FormationMD ftSubsea
San Miguel5,144-4,591
Anacacho5,558-5,005
T/Austin Chalk5,905-5,352

Perforations

Perforated and open-hole intervals.

FromToType
5,9058,338Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7575314.75415 S
75,9159.875335 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
00Dec 11, 1990Aug 13, 1990Yes
00Oct 15, 1990——

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/16332755, documented in the API reference.