TEXAS · WELLS · REFUGIO COUNTY · API 42-391-04056 · DISTRICT 02

Tom Oconnor (5800 SD) Fld. Unit #Q303G

Shut in

Refugio County · Tom Oconnor (5800) field · Shut In  · Vertical

Tom Oconnor (5800 SD) Fld. Unit #Q303G (API 42-391-04056) is a well in Refugio County operated by Hilcorp Energy Company, completed March 5, 2021 and listed as shut in on the RRC schedule, shut in December 1, 2024.

The RRC has issued 4 drilling permits between 1978 and 2016, permitted to 5,927 ft.

Completion filings report 4 formation tops, including Catahoula, Frio, Jackson, No Change.

Its 4 leases have reported 27.8M barrels of oil and 18.6M mcf of gas since January 1993, last reporting in July 2026. The leases carry 756 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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyApr 27, 2016
5,927
total depth, ft
4
permits on file
Apr 27, 2016
last permit issued
Mar 5, 2021
completed
27.8M
cumulative oil, bbl
18.6M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 5, 2021
Shut in
Dec 1, 2024
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 756 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Fannie V. W., Mrs. O-2-2586Tom Oconnor (5500 Sand)Hilcorp Energy Company602.28M1.64MJan 1993 – Jul 2026
Heard, Fannie, V. W., Mrs. O-2-2874Tom Oconnor (5900 Sand)Hilcorp Energy Company431.63M1.67MJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026
Tom O'CONNOR(5600 Foot Sand)unit O-2-8950Tom O'Connor (5600 Foot Sand)Hilcorp Energy Company591.13M357KMar 2005 – Jul 2026

Oil, barrels lease total

Last 12 months 695,551 · prior 12 548,593(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 118,966 · prior 12 84,996(+40%)

020K40K60K202420252026

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
815256-99RecompletionHilcorp Energy CompanyApr 25, 2016Apr 27, 2016Jun 23, 20165,927
736405-99RecompletionHilcorp Energy CompanyMar 20, 2012Apr 2, 2012Apr 18, 20125,927
601015-99RecompletionHilcorp Energy CompanyMay 20, 2005May 26, 2005May 24, 20055,927
20651-99OtherQuintana Pet. Corp.Mar 23, 1978Mar 23, 1978—5,927

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 5, 2021Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy CompanyShut In · shut in Dec 1, 20245,927
Apr 24, 2012Tom O CONNOR(5600 Foot Sand)unit O-2-8950Tom O Connor (5600 Foot Sand)Hilcorp Energy CompanyNot on Schedule—
May 31, 2005Heard Fannie V. W. Mrs. O-2-2586Tom Oconnor (5500 Sand)Hilcorp Energy CompanyNot on Schedule—
Aug 4, 1978Heard Fannie V. W. Mrs. O-2-2874Tom Oconnor (5900 Sand)Hilcorp Energy CompanyNot on Schedule—
—Heard Fannie G-2-4442Tom Oconnor (5100 East)Quintana Pet. Corp.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 54 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula3,573-3,519
Frio4,325-4,271
Frio5,927-5,873
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,5065,512Perforated
5,5605,574Perforated
5,7595,768Perforated
5,8955,899Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,40014750 S
2.8755,859——
5.55,9248.751,200 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
00Jun 22, 2021Jun 3, 2021—
00Sep 7, 2016Jul 21, 2016—
00Dec 18, 2012May 2, 2012—
00Sep 2, 2005Jun 6, 2004Yes
00Jun 30, 2005Aug 10, 1978—
00Jan 12, 1984Aug 10, 1978—
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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
—
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000116391H-1 InjectionNot activated10,0002,8555,710–5,800

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/39104056, documented in the API reference.