WELL · 42-391-30491 · DISTRICT 2

Oconnor Dennis et al -L- #L045

Plugged

Refugio County · Lake Pasture (L-200) field  · Vertical

Oconnor Dennis ET AL -L- #L045 (API 42-391-30491) is a plugged well in Refugio County, plugged December 5, 2011, last operated by T-C Oil Company LLC.

The RRC has issued 2 drilling permits (amended once) between 1979 and 1991, permitted to 4,560 ft.

It was permitted by T - C Oil Company and has since transferred to T-C Oil Company LLC on the wellbore schedule.

Completion filings report 5 formation tops, including Lagarto, Eocene, Miocene (undifferentiated), Catahoula.

Operator of record

T-C Oil Company LLC

Permitted by T - C Oil Company; the EWA schedule now lists a different operator.

Based in
Refugio, TX
P-5 status
Active (A)
P-5 last filed
Dec 3, 2025
Permits on file
287
Phone
(361) 526-4693

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleT-C Oil Company LLC
Production reportsT - C Oil Companythrough Jul 2003
Latest permitT - C Oil CompanyOct 8, 1991

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

4,560
total depth, ft
3
permits on file
Oct 8, 1991
last permit issued
May 1, 1979
completed
0
cumulative oil, bbl
466K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2011

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 1, 1979
Shut in
—
Plugged
Dec 5, 2011

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 3 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Oconnor, Dennis et al -L- G-2-82059Lake Pasture (L-200)T - C Oil Company100Jan 1993 – Dec 2011
Dennis O'Connor et al "L" G-2-141623Lake Pasture (E-244)T - C Oil Company10466KJan 1993 – Dec 2011
— G-2-82058——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. 1T - C Oil CompanyJan 1993 → Jul 2003

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
392443-98RecompletionT - C Oil CompanyApr 8, 1992Oct 8, 1991May 4, 19922,617
392443-99RecompletionT - C Oil CompanyOct 2, 1991Oct 8, 1991—2,617
47359-99OtherT - C Oil CompanyApr 27, 1979Apr 27, 1979Jan 25, 19764,560

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-82058————
—— G-2-82059————
—— G-2-141623————

Formation tops

As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →

FormationMD ftSubsea
Lagarto152
Eocene2,110-2,057
Miocene (undifferentiated)MIOCENE3,000-2,947
Catahoula3,700-3,647
Oligocene4,120-4,067

Perforations

Perforated and open-hole intervals.

FromToType
2,0242,032Perforated
2,4592,463Perforated
2,6522,658Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,52313.75541 S
9.6251,52413.75691 S
1.52,019——
1.52,641——
5.54,5558.75768 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 4, 1992May 26, 1992Yes
00Jul 14, 1992——
00Jan 12, 1984May 9, 1979—

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/39130491, documented in the API reference.