Petrora

WELL · 42-391-31420 · DISTRICT 2

O Connor #56

Plugged

Refugio County · Huff (2400) field  · Vertical

O Connor #56 (API 42-391-31420) is a plugged well in Refugio County, plugged November 27, 2019, last operated by T-C Oil Company LLC.

The RRC has issued 7 drilling permits between 1980 and 2008, permitted to 7,500 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 6 formation tops, including Lagarto, Miocene (undifferentiated), Eocene, 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
Watch this operatorWatch Refugio County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleT-C Oil Company LLC
Production reportsT - C Oil Companythrough Apr 2010
Latest permitT - C Oil CompanyAug 27, 2008

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

7,500
total depth, ft
7
permits on file
Aug 27, 2008
last permit issued
Aug 11, 2008
completed
0
cumulative oil, bbl
516K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2019

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 11, 2008
Shut in
—
Plugged
Nov 27, 2019

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 5 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
O'Connor G-2-239248Huff (2400)T-C Oil Company, LLC1020.8KAug 2008 – Nov 2019
O'Connor G-2-214133Huff (2600)T - C Oil Company1014KAug 2005 – Aug 2008
O'Connor G-2-174135Huff (3500)T - C Oil Company10217KMay 1999 – Jul 2005
O'Connor G-2-147376Huff (3250)T - C Oil Company10239KOct 1993 – May 1999
Oconnor G-2-126465Huff (5300)T - C Oil Company1025.9KJan 1993 – Nov 1993

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 → Apr 2010

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
668601-99RecompletionT - C Oil CompanyAug 8, 2008Aug 27, 2008Aug 6, 20082,500
604276-99RecompletionT - C Oil CompanyAug 2, 2005Aug 3, 2005Jul 25, 20052,850
484611-99RecompletionT - C Oil CompanyMay 18, 1999May 24, 1999Apr 22, 19993,769
415893-99RecompletionT - C Oil CompanySep 10, 1993Sep 14, 1993Oct 6, 19935,250
336983-99RecompletionT - C Oil CompanyOct 6, 1987Oct 7, 1987—5,814
191721-99RecompletionT - C Oil CompanyMar 30, 1983Mar 30, 1983—5,814
91410-99DrillT - C Oil CompanySep 4, 1980Sep 4, 1980—7,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 11, 2008O Connor G-2-239248Huff (2400)T-C Oil Company LLCPlugged—
Aug 1, 2005O Connor G-2-214133Huff (2600)T - C Oil CompanyPlugged—
May 23, 1999O Connor G-2-174135Huff (3500)T - C Oil CompanyPlugged—
Oct 14, 1993O Connor G-2-147376Huff (3250)T - C Oil CompanyPlugged—
Nov 5, 1987Oconnor G-2-126465Huff (5300)T - C Oil CompanyPlugged—
Mar 14, 1983Oconnor O-2-1503T-C (5600)T-C Oil Company LLCPlugged—
Nov 21, 1980Oconnor G-2-91157Huff (5600)T - C Oil CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 67 ft elevation.Download CSV →

FormationMD ftSubsea
Lagarto166
Miocene (undifferentiated)MIOCENE2,050-1,983
Eocene2,510-2,443
Miocene (undifferentiated)MIOCENE2,950-2,883
Catahoula3,708-3,641
Catahoula3,740-3,673
Greta4,370-4,303
Greta4,400-4,333
Frio4,765-4,698
Frio4,800-4,733

Perforations

Perforated and open-hole intervals.

FromToType
2,4702,474Perforated
2,6022,605Perforated
3,2743,276Perforated
3,4973,498Perforated
5,2955,298Perforated
5,5845,587Perforated
5,6505,660Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,36813.75695 S
2.3755,568——
2.3755,610——
5.55,7878.751,160 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
00Oct 6, 2008Aug 25, 2008Yes
00Sep 29, 2008——
00Jun 20, 2006Aug 5, 2005Yes
00Feb 24, 2006——
00Oct 27, 1999Jun 1, 1999Yes
00Sep 14, 1999——
00Jan 20, 1994Nov 22, 1993Yes
00Dec 13, 1993——
00Apr 6, 1988Feb 9, 1988Yes
00Mar 17, 1988——
00Jan 12, 1984Apr 6, 1983—
00Jan 12, 1984Dec 15, 1980—

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/39131420, documented in the API reference.