TEXAS · WELLS · REFUGIO COUNTY · API 42-391-32103 · DISTRICT 02

O Connor #78

Plugged

Refugio County · Huff (2200) field  · Vertical

O Connor #78 (API 42-391-32103) is a plugged well in Refugio County, plugged June 2, 2023, last operated by T - C Oil Company.

The RRC has issued 3 drilling permits between 1994 and 2005, permitted to 4,800 ft.

Completion filings report 4 formation tops, including Lagarto, Miocene (undifferentiated), Catahoula, Greta.

Its 4 leases have reported 810K barrels of oil and 1.11M mcf of gas since January 1993, last reporting in July 2026. The leases carry 31 wells, so these are lease totals, not this well alone.

Operator of record

T - C Oil Company

Based in
Refugio, TX
P-5 status
Inactive (I)
P-5 last filed
Nov 7, 2011
Permits on file
1,009
Phone
(361) 578-6271

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleT - C Oil Company
Production reportsT-C Oil Company, LLCthrough Apr 2026
Latest permitT - C Oil CompanyMar 31, 2005

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

4,800
total depth, ft
3
permits on file
Mar 31, 2005
last permit issued
Nov 19, 1998
completed
810K
cumulative oil, bbl
1.11M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 19, 1998
Shut in
—
Plugged
Jun 2, 2023

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 31 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
O'Connor O-2-8367Huff (4400)T-C Oil Company, LLC19693K597KJan 1998 – Jul 2026
O'Connor G-2-210746Huff (2800)T-C Oil Company, LLC100Apr 2005 – Jun 2023
O'Connor G-2-171764Huff (2200)T - C Oil Company10266KNov 1998 – Apr 2005
Oconnor O-2-4783McFaddin (4400)T - C Oil Company10117K248KJan 1993 – May 1998

Oil, barrels lease total

Last 12 months 46,240 · prior 12 55,329(-16%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 13,361 · prior 12 26,209(-49%)

02K4K6K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1T - C Oil CompanyJan 1993 → Dec 2011
  2. 2T-C Oil Company, LLCJan 2012 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
559757-99RecompletionT - C Oil CompanyMar 31, 2005Mar 31, 2005—4,396
480790-99RecompletionT - C Oil CompanyNov 12, 1998Nov 17, 1998Nov 4, 19982,507
420280-99DrillT - C Oil CompanyJan 18, 1994Jan 18, 1994Jan 26, 19944,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 19, 1998O Connor G-2-171764Huff (2200)T - C Oil CompanyPlugged—
Feb 11, 1994Oconnor O-2-4783McFaddin (4400)T - C Oil CompanyPlugged—
Feb 11, 1994O Connor O-2-8367Huff (4400)T-C Oil Company LLCPlugged—
—O Connor G-2-210746Huff (2800)T-C Oil Company LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 70 ft elevation.Download CSV →

FormationMD ftSubsea
Lagarto169
LagartoLARGARTO169
Miocene (undifferentiated)MIOCENE2,950-2,880
Catahoula3,740-3,670
Greta4,370-4,300

Perforations

Perforated and open-hole intervals.

FromToType
2,3032,310Perforated
4,4194,429Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,37613.5830 S
5.54,5958.75785 S
5.54,5968.75785 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
00Sep 16, 2005——
00Apr 1, 1999Dec 3, 1998Yes
00Feb 11, 1999——
00May 26, 1998Feb 24, 1994Yes
00May 6, 1994Feb 24, 1994Yes
00Mar 9, 1994——

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/39132103, documented in the API reference.