Petrora

WELL · 42-391-31948 · DISTRICT 2

Clement Heard #31

N

Refugio County  · Vertical

Clement Heard #31 (API 42-391-31948) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 7 drilling permits (amended 3 times) between 1987 and 2015, permitted to 8,200 ft.

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

Its 6 leases have reported 1.33M barrels of oil and 1.56M mcf of gas since January 1993, last reporting in July 2026. The leases carry 33 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 10, 2015
8,200
total depth, ft
10
permits on file
Feb 10, 2015
last permit issued
—
completed
1.33M
cumulative oil, bbl
1.56M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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 6 leases this well is completed on; they carry 33 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Clement O-2-2873Tom Oconnor (5900 Sand)Hilcorp Energy Company221.22M1.07MJan 1993 – Jul 2026
Heard, Clement O-2-9480Tom Oconnor (6550)Hilcorp Energy Company11.06K3.86KOct 2010 – Jul 2012
Clement Heard G-2-257645Tom Oconnor (6550)Hilcorp Energy Company10887Feb 2010 – Apr 2011
Heard, Clement O-2-4791Tom Oconnor (7500)Hilcorp Energy Company4105K332KJan 1993 – Oct 2010
Heard, Clement G-2-148915Tom Oconnor (6600)Hilcorp Energy Company1094.7KMar 1994 – Oct 2003
Heard, Clement O-2-4790Tom Oconnor (6600)Quintana Pet. Corp.41.52K56.6KJan 1993 – May 1994

Oil, barrels lease total

Last 12 months 9,382 · prior 12 3,980(+136%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 265 · prior 12 371(-29%)

0100200300202420252026

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
803485-99RecompletionHilcorp Energy CompanyFeb 3, 2015Feb 10, 2015—7,850
748025-99RecompletionHilcorp Energy CompanySep 11, 2012Sep 26, 2012—7,850
725658-99RecompletionHilcorp Energy CompanyOct 4, 2011Oct 6, 2011Apr 20, 20117,850
687141-97RecompletionHilcorp Energy CompanyAug 19, 2010Nov 13, 2009Feb 22, 20107,850
687141-98RecompletionHilcorp Energy CompanyDec 9, 2009Nov 13, 2009—7,850
687141-99RecompletionHilcorp Energy CompanyNov 9, 2009Nov 13, 2009—7,850
523163-99RecompletionHilcorp Energy CompanyAug 27, 2002Sep 27, 2002—7,850
395949-99RecompletionQuintana Pet. Corp.Jan 17, 1992Jan 24, 1992Jan 2, 19927,850
331894-98DrillQuintana Pet. Corp.Aug 5, 1987Jun 23, 1987—7,850
331894-99DrillQuintana Pet. Corp.Jun 22, 1987Jun 23, 1987—8,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-148915————
—— G-2-257645————
—— O-2-2873————
—— O-2-2873————
—— O-2-4790————
—— O-2-4791————
—— O-2-4791————
—— O-2-9480————

Formation tops

As filed on W-2/G-1. Subsea from 58 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,442
Oakville2,750-2,692
CatahoulaCATAHOULA (MIOCENE)3,300-3,242
AnahuacANAHUAC (MIOCENE)4,100-4,042
AnahuacANAHUAC(MIOCENE)4,100-4,042
FrioFRIO-GRETA (OLIGOCENE)4,365-4,307
FrioMIDDLE FRIO (SINTON)5,000-4,942
FrioLOWER FRIO (OLIGOCENE)5,880-5,822
Frio7,850-7,792
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,8915,894Perforated
5,9275,932Perforated
6,4606,467Perforated
6,5486,551Perforated
6,5536,557Perforated
6,6026,606Perforated
7,4907,498Perforated
7,5187,524Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,51213.5800 S
9.6251,51613.5800 S
5.57,8468.751,830 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
00Jul 25, 2012Feb 2, 2012Yes
00Feb 17, 2011Nov 10, 2010—
00Jan 13, 2011——
00Oct 25, 2010Sep 1, 2010Yes
00Oct 13, 2010——
00Feb 11, 2004Oct 28, 2003—
00Jun 13, 1994Mar 17, 1994—
00May 2, 1994——
00Apr 7, 1992Mar 4, 1992Yes
00Mar 13, 1992Dec 17, 1987Yes
00Mar 4, 1988Aug 11, 1987Yes
00Feb 29, 1988Dec 17, 1987Yes
00Jan 23, 1988——
00Sep 8, 1987Aug 11, 1987Yes
00Aug 15, 1987—Yes

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/39131948, documented in the API reference.