WELL · 42-187-31653 · DISTRICT 1

Dieckow P. J. #4A

Plugged

Guadalupe County · LA Vernia field  · Vertical

Dieckow P. J. #4A (API 42-187-31653) is a plugged well in Guadalupe County, plugged July 18, 1992, last operated by Cal-Waco Oil CO. Inc..

The RRC has issued one drilling permit, issued May 29, 1981, permitted to 850 ft.

Operator of record

Cal-Waco Oil Co. Inc.

Dana Point, CA · P-5 Y, filed Nov 4, 2025 · 40 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCal-Waco Oil Co. Inc.
Production reportsnone
Latest permitCal-Waco Oil Co. Inc.May 29, 1981
850
total depth, ft
1
permits on file
May 29, 1981
last permit issued
Jun 10, 1981
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 10, 1981
Shut in
—
Plugged
Jul 18, 1992

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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Dieckow, P. J. O-1-2402LA VerniaCal-Waco Oil Co. Inc.400Jan 1993 – Aug 2003

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
119605-99DrillCal-Waco Oil Co. Inc.May 29, 1981May 29, 1981—850

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-2402————

Perforations

Perforated and open-hole intervals.

FromToType
819854Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
2.375831——
4.59256.75134 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
00Jan 12, 1984Sep 29, 1981—

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/18731653, documented in the API reference.