TEXAS · WELLS · REFUGIO COUNTY · API 42-391-01180 · DISTRICT 02

Thomas O Connor C #66

Shut in

Refugio County · Greta (L-10) field · Temp Abandoned  · Vertical

Thomas O Connor C #66 (API 42-391-01180) is a well in Refugio County operated by Hilcorp Energy Company, completed March 10, 2011 and listed as temp abandoned on the RRC schedule, shut in July 1, 2012.

The RRC has issued 4 drilling permits between 1993 and 2011, permitted to 4,515 ft.

Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 4 leases have reported 646K barrels of oil and 832K mcf of gas since January 1993, last reporting in July 2026. The leases carry 21 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyFeb 24, 2011
4,515
total depth, ft
4
permits on file
Feb 24, 2011
last permit issued
Mar 10, 2011
completed
646K
cumulative oil, bbl
832K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 10, 2011
Shut in
Jul 1, 2012
Plugged
—

Operator's P-5 on the schedule: Active (A)

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Thomas O'Connor "C" G-2-261017Greta (L-10)Hilcorp Energy Company102.51KMar 2011 – Jul 2026
Oconnor, Thomas, -C- O-2-2566Tom Oconnor (4500 Greta Mass.)Hilcorp Energy Company18646K278KJan 1993 – Jul 2026
O'Connor, Thomas 'C' G-2-170209Greta (C-1)Hilcorp Energy Company106.91KJul 1998 – Apr 2013
O'Connor, Thomas "C" G-2-145686Tom Oconnor (3550)Quintana Pet. Corp.10544KApr 1993 – Jul 1998

Oil, barrels lease total

Last 12 months 5,511 · prior 12 4,466(+23%)

05001K202420252026

Gas, mcf lease total

Last 12 months 136 · prior 12 777(-82%)

05001K202420252026

Chain of custody

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

  1. 1Quintana Pet. Corp.Jan 1993 → Nov 2000
  2. 2Hilcorp Energy CompanyDec 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
710523-99RecompletionHilcorp Energy CompanyFeb 17, 2011Feb 24, 2011Mar 3, 20114,515
538180-99RecompletionHilcorp Energy CompanyNov 3, 2003Nov 7, 2003—4,515
478181-99RecompletionQuintana Pet. Corp.Jul 22, 1998Jul 23, 1998Jul 22, 19984,515
411417-99RecompletionQuintana Pet. Corp.May 6, 1993May 7, 1993Apr 26, 19934,515

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 10, 2011Thomas O Connor C G-2-261017Greta (L-10)Hilcorp Energy CompanyTemp Abandoned · shut in Jul 1, 20124,515
Jul 28, 1998O Connor Thomas C G-2-170209Greta (C-1)Hilcorp Energy CompanyNot on Schedule—
Apr 28, 1993O Connor Thomas C G-2-145686Tom Oconnor (3550)Quintana Pet. Corp.Not on Schedule—
—Oconnor Thomas -C- O-2-2566Tom Oconnor (4500 Greta Mass.)Hilcorp Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 68 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,432
LagartoLARGARTO2,750-2,682
Oakville2,750-2,682
Catahoula3,300-3,232
Oakville3,300-3,232
AnahuacANAHUAC (MIOCENE)4,100-4,032
CatahoulaCATAHOULA ( MIOCENE)4,100-4,032
Oakville4,100-4,032
Anahuac4,365-4,297
AnahuacANAHUAC (MIOCENE)4,365-4,297
FrioFRIO-GRETA (OLIGOCENE)4,365-4,297
Greta4,515-4,447
FrioLOWER FRIO (OLIG)4,515-4,447
CatahoulaCATAHOULA (OLIG)4,785-4,717
FrioFRIO-GRETA (OLIG)4,785-4,717
FrioMIDDLE FRIO (SINTON)5,400-5,332

Perforations

Perforated and open-hole intervals.

FromToType
2,3812,386Perforated
3,4643,472Perforated
3,5063,516Perforated
—4,388Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,02512.25400 S
4.54,5106.75650 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 11, 2011Apr 7, 2011—
00Dec 7, 1998Aug 10, 1998Yes
00Oct 9, 1998——
00Oct 4, 1993May 24, 1993Yes
00Jul 7, 1993——
00Jan 12, 1984——

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/39101180, documented in the API reference.