WELL · 42-391-01158 · DISTRICT 2

Thomas O Connor C #1G

N

Refugio County · Tom Oconnor (5400 Sand) field  · Vertical

Thomas O Connor C #1G (API 42-391-01158) is a well in Refugio County operated by Hilcorp Energy Company, completed March 7, 2018.

The RRC has issued 3 drilling permits (amended once) between 2013 and 2019, permitted to 5,898 ft.

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

Its 4 leases have reported 647K barrels of oil and 1.81M mcf of gas since January 1993, last reporting in July 2026. The leases carry 22 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyApr 2, 2019
5,898
total depth, ft
4
permits on file
Apr 2, 2019
last permit issued
Mar 7, 2018
completed
647K
cumulative oil, bbl
1.81M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 7, 2018
Shut in
—
Plugged
—

Surface location

28.368537, -97.150800

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Refugio County.

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Oconnor, Thomas, -C- O-2-2566Tom Oconnor (4500 Greta Mass.)Hilcorp Energy Company18646K278KJan 1993 – Jul 2026
O'Connor, Thomas "C" O-2-11643Tom Oconnor (5300, East)Hilcorp Energy Company100Mar 2018 – Feb 2020
Thomas O'Connor "C" O-2-9865Tom Oconnor (5400 Sand)Hilcorp Energy Company2611611Oct 2011 – Feb 2019
Oconnor, Thomas -C- G-2-38256Tom Oconnor (4950)Hilcorp Energy Company101.54MJan 1993 – Jun 2013

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
851674-99RecompletionHilcorp Energy CompanyApr 1, 2019Apr 2, 2019Mar 20, 20195,898
836056-99RecompletionHilcorp Energy CompanyFeb 7, 2018Jun 25, 2018Mar 6, 20185,898
761550-98RecompletionHilcorp Energy CompanyAug 7, 2013Apr 29, 2013Apr 25, 20135,898
761550-99RecompletionHilcorp Energy CompanyApr 26, 2013Apr 29, 2013—5,898

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-38256————
—— O-2-2566————
—— O-2-9865————
—— O-2-11643————

Formation tops

As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →

FormationMD ftSubsea
Oakville2,900-2,848
Catahoula3,548-3,496
Catahoula3,600-3,548
Anahuac4,100-4,048
Greta4,300-4,248
Frio4,330-4,278
FrioUPPER FRIO5,000-4,948
FrioLOWER FRIO5,800-5,748
JacksonJACKSON YEGUA——
JacksonJACKSON/YEGUA——

Perforations

Perforated and open-hole intervals.

FromToType
3,9343,940Perforated
4,3864,390Perforated
4,9014,905Perforated
5,1155,127Perforated
5,2205,224Perforated
5,3035,309Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,02714350 S
5.55,8988.75650 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
00Feb 7, 2020Oct 28, 2019—
00Feb 8, 2019Nov 14, 2018—
00Sep 7, 2018Jul 5, 2018—
00Dec 13, 2013Aug 29, 2013—
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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Tom O'Connor (5800 Sd)field Unit42-391-01148

0.2 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Anahuac4,100-4,047
Frio4,365-4,312
Frio4,366-4,313
Catahoula4,566-4,513
Top PF 49004,739-4,686

12 TOPS · FIRST 8

Thomas O'Connor 'C'42-391-01147

0.2 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,538-3,485
Anahuac4,100-4,047
Frio4,321-4,268
Anahuac4,365-4,312
Frio4,365-4,312

13 TOPS · FIRST 8

Tom O'CONNOR(5800SAND)FIELD Unit42-391-31839

0.3 KM · Quintana Pet. Corp. · Section with this well →

Surface Sand Clay1,500-1,443
Lagarto1,500-1,443
Oakville2,750-2,693
Catahoula3,300-3,243
Catahoula3,543-3,486
Anahuac4,100-4,043
Frio4,358-4,301
Frio4,365-4,308

18 TOPS · FIRST 8

Oconnor, Thomas -C-42-391-01153

0.4 KM · Hilcorp Energy Company · Section with this well →

Lagarto1,500-1,434
Lagarto1,500-1,434
Oakville2,750-2,684
Catahoula3,300-3,234
Catahoula3,540-3,474
Anahuac4,100-4,034
Frio4,365-4,299
Frio5,000-4,934

9 TOPS · FIRST 8

Tom O'Connor (5800'SD)FIELD Unit42-391-31609

0.4 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,442
Oakville2,750-2,692
Catahoula3,300-3,242
Catahoula3,609-3,551
Anahuac4,100-4,042
Frio4,365-4,307
Frio5,000-4,942
Frio5,068-5,010

10 TOPS · FIRST 8

Thomas O'Connor -C-42-391-01132

0.6 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,442
Oakville2,750-2,692
Catahoula3,300-3,242
Catahoula3,563-3,505
Anahuac4,100-4,042
Anahuac4,100-4,042
Frio4,322-4,264
Frio4,365-4,307

12 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-31248

0.6 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,441
Oakville2,750-2,691
Catahoula3,300-3,241
Catahoula3,300-3,241
Anahuac4,100-4,041
Frio4,362-4,303
Frio4,365-4,306
Frio5,000-4,941

10 TOPS · FIRST 8

Tom O'Connor (5800'SAND)FIELD UT42-391-31860

0.7 KM · Quintana Pet. Corp. · Section with this well →

Lagarto1,500-1,442
Oakville2,750-2,692
Catahoula3,300-3,242
Catahoula3,300-3,242
Anahuac4,100-4,042
Frio4,365-4,307
Frio4,365-4,307
Frio5,000-4,942

11 TOPS · FIRST 8

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/39101158, documented in the API reference.