WELL · 42-507-32029 · DISTRICT 1

Bass GU #1

Plugged

Zavala County · J.a.spiller (Escondido) field  · Vertical

Bass GU #1 (API 42-507-32029) is a plugged well in Zavala County, plugged March 4, 1997, last operated by J-W Operating CO..

The RRC has issued one drilling permit, issued February 14, 1984, permitted to 1,500 ft.

It was permitted by Matzinger Petroleum CO and has since transferred to J-W Operating CO. on the wellbore schedule.

Operator of record

J-W Operating Co.

Permitted by Matzinger Petroleum Co; the EWA schedule now lists a different operator.

Addison, TX · P-5 Y, filed Apr 4, 2026 · 350 permits on file · (903) 312-9595

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleJ-W Operating Co.
Production reportsJ-W Operating Co.through Sep 1996
Latest permitMatzinger Petroleum CoFeb 14, 1984

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

1,500
total depth, ft
1
permits on file
Feb 14, 1984
last permit issued
Mar 8, 1984
completed
0
cumulative oil, bbl
59K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 1997

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 8, 1984
Shut in
—
Plugged
Mar 4, 1997

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
Bass GU G-1-110252J.a.spiller (Escondido)J-W Operating Co.1059KJan 1993 – Feb 1997

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. 1J-W Operating Co.Jan 1993 → Sep 1996

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
229403-99DrillMatzinger Petroleum CoFeb 14, 1984Feb 14, 1984—1,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-110252————

Perforations

Perforated and open-hole intervals.

FromToType
820823Perforated
826830Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62554012.25250 S
4.51,2566.75105 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
00May 18, 1984Apr 27, 1984—
00May 10, 1984Apr 27, 1984—

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/50732029, documented in the API reference.