WELL · 42-255-31210 · DISTRICT 2

Matula #1

Plugged

Karnes County · Porter N. (Reklaw) field  · Vertical

Matula #1 (API 42-255-31210) is a plugged well in Karnes County, plugged January 28, 1992, last operated by Hamman Oil & Refining Company.

The RRC has issued one drilling permit, issued November 30, 1988, permitted to 7,500 ft.

Completion filings report 3 formation tops, including Yegua, Reklaw, Wilcox.

Operator of record

Hamman Oil & Refining Company

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jun 1, 2026
Permits on file
359
Phone
(713) 526-7417

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHamman Oil & Refining Company
Production reportsnone
Latest permitHamman Oil & Refg. Co.Nov 30, 1988
7,500
total depth, ft
1
permits on file
Nov 30, 1988
last permit issued
Mar 25, 1989
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 25, 1989
Shut in
—
Plugged
Jan 28, 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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
— G-2-131509——000—

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
353610-99DrillHamman Oil & Refg. Co.Nov 23, 1988Nov 30, 1988Mar 4, 19897,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-131509————

Formation tops

As filed on W-2/G-1. Subsea from 273 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua4,080-3,807
Reklaw7,000-6,727
Wilcox7,173-6,900

Perforations

Perforated and open-hole intervals.

FromToType
7,1017,107Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62579212.25374 S
2.8757,3317.875505 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 13, 1989Sep 22, 1989—
00Aug 22, 1989Jun 30, 1989Yes
00Aug 16, 1989——

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/25531210, documented in the API reference.