TEXAS · WELLS · MATAGORDA COUNTY · API 42-321-31635 · DISTRICT 03

Collegeport Gas Unit #12

Plugged

Matagorda County · Collegeport (1940) field  · Vertical

Collegeport Gas Unit #12 (API 42-321-31635) is a plugged well in Matagorda County, plugged September 15, 1999, last operated by Apache Corporation.

The RRC has issued 3 drilling permits (amended once) between 1990 and 1997, permitted to 4,500 ft.

Completion filings report 3 formation tops, including Mio 4, Mio 5a, Mio 6.

Operator of record

Apache Corporation

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Dec 3, 2025
Permits on file
9,757
Phone
(713) 954-5500

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApache Corporation
Production reportsApache Corporationthrough Dec 1997
Latest permitApache CorporationAug 6, 1997
4,500
total depth, ft
4
permits on file
Aug 6, 1997
last permit issued
Jul 23, 1997
completed
0
cumulative oil, bbl
305K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 1997

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 23, 1997
Shut in
—
Plugged
Sep 15, 1999

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 4 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Collegeport Gas Unit G-3-163954Collegeport (1940)Apache Corporation1057.2KJul 1997 – Sep 1999
Collegeport Gas Unit G-3-140627Collegeport (2740)Apache Corporation1056.7KJan 1993 – Jul 1997
Collegeport Gas Unit G-3-140629Collegeport (2880)Apache Corporation10191KJan 1993 – Jul 1997
— G-3-136100——000—

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. 1Apache CorporationJan 1993 → Dec 1997

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
465741-99RecompletionApache CorporationAug 1, 1997Aug 6, 1997Jul 21, 19972,685
396613-99RecompletionApache CorporationFeb 12, 1992Feb 19, 1992Jan 23, 19924,298
379301-98DrillApache CorporationNov 14, 1990Oct 11, 1990—4,298
379301-99DrillApache CorporationOct 11, 1990Oct 11, 1990—4,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 23, 1997Collegeport Gas Unit G-3-163954Collegeport (1940)Apache CorporationPlugged—
Jan 27, 1992Collegeport Gas Unit G-3-140629Collegeport (2880)Apache CorporationPlugged—
Jan 27, 1992Collegeport Gas Unit G-3-140627Collegeport (2740)Apache CorporationPlugged—
Oct 25, 1990Collegeport Gas Unit G-3-136100Collegeport (6)Apache CorporationPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 11 ft elevation.Download CSV →

FormationMD ftSubsea
Mio 43,907-3,896
Mio 5A4,059-4,048
Mio 64,101-4,090

Perforations

Perforated and open-hole intervals.

FromToType
1,9391,942Perforated
2,7322,736Perforated
2,8722,876Perforated
4,1014,104Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62594013.5590 S
5.54,2988.75910 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
00Aug 18, 1997Jul 31, 1997Yes
00Aug 15, 1997——
00Mar 10, 1992Feb 13, 1992Yes
00Mar 10, 1992Feb 12, 1992Yes
00Feb 26, 1992——
00Jan 2, 1991Nov 14, 1990Yes
00Dec 4, 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/32131635, documented in the API reference.