WELL · 42-391-32518 · DISTRICT 2

Heard Clement #35

Refugio County · Tom Oconnor (5900 Sand) field · Vertical

Heard Clement #35 (API 42-391-32518) is a well in Refugio County operated by Hilcorp Energy Company, completed June 30, 2003.

The RRC has issued 6 drilling permits (amended once) between 2003 and 2017, permitted to 6,200 ft.

Completion filings report 8 formation tops, including Lagarto, Oakville, Catahoula, Frio.

Its 6 leases have reported 3.1M barrels of oil and 2.39M mcf of gas since January 1993, last reporting in July 2026. The leases carry 64 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 · 3,454 permits on file · (713) 209-2411

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Hilcorp Energy Company
Production reports	Hilcorp Energy Companythrough Apr 2026
Latest permit	Hilcorp Energy CompanyNov 17, 2017

6,200: total depth, ft
7: permits on file
Nov 17, 2017: last permit issued
Jun 30, 2003: completed
3.1M: cumulative oil, bbl
2.39M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jun 30, 2003
Shut in: —
Plugged: —

Surface location

28.375217, -97.153667

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 6 leases this well is completed on; they carry 64 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Heard, Clement G-2-257242	Tom Oconnor (5450 Sand)	Hilcorp Energy Company	1	0	1.37K	May 2010 – Jul 2026
Clement Heard G-2-260691	Tom O'Connor (5410)	Hilcorp Energy Company	1	0	42.1K	Feb 2011 – Jul 2026
Heard, Clement O-2-2523	Tom Oconnor (4500 Greta Mass.)	Hilcorp Energy Company	16	539K	277K	Jan 1993 – Jul 2026
Heard, Clement O-2-2585	Tom Oconnor (5500 Sand)	Hilcorp Energy Company	20	1.34M	986K	Jan 1993 – Jul 2026
Heard, Clement O-2-2873	Tom Oconnor (5900 Sand)	Hilcorp Energy Company	22	1.22M	1.07M	Jan 1993 – Jul 2026
Clement Heard O-2-9197	Tom Oconnor (5200, East)	Hilcorp Energy Company	4	5.36K	12.6K	Mar 2008 – Jul 2026

Oil, barrels lease total

Last 12 months 12,755 · prior 12 12,377(+3%)

Gas, mcf lease total

Last 12 months 1,028 · prior 12 1,702(-40%)

Chain of custody

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

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
833211-99	Recompletion	Hilcorp Energy Company	Nov 14, 2017	Nov 17, 2017	Nov 13, 2017	6,200
770838-98	Recompletion	Hilcorp Energy Company	Jun 9, 2014	Oct 4, 2013	Jul 7, 2014	6,200
770838-99	Recompletion	Hilcorp Energy Company	Sep 30, 2013	Oct 4, 2013	—	6,200
708707-99	Recompletion	Hilcorp Energy Company	Jan 18, 2011	Jan 21, 2011	Jan 13, 2011	6,200
684259-99	Recompletion	Hilcorp Energy Company	Aug 18, 2009	Aug 21, 2009	May 25, 2010	6,200
538181-99	Recompletion	Hilcorp Energy Company	Nov 3, 2003	Nov 5, 2003	Nov 3, 2003	6,200
531878-99	Drill	Hilcorp Energy Company	May 13, 2003	May 12, 2003	Jun 5, 2003	6,200

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-2-257242	—	—	—	—
—	— G-2-260691	—	—	—	—
—	— O-2-2523	—	—	—	—
—	— O-2-2585	—	—	—	—
—	— O-2-2873	—	—	—	—
—	— O-2-2873	—	—	—	—
—	— O-2-9197	—	—	—	—

Formation tops

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

Formation	MD ft	Subsea
LagartoLARGARTO	2,750	-2,692
Oakville	3,300	-3,242
CatahoulaCATAHOULA (MIOCENE)	3,560	-3,502
Catahoula	3,563	-3,505
Oakville	4,100	-4,042
Frio	4,316	-4,258
Anahuac	4,365	-4,307
AnahuacANAHUAC (MIOCENE)	4,365	-4,307
Ananhuac	4,365	-4,307
FrioFRIO-GRETA (OLIG)	4,785	-4,727
FrioFRIO-GRETA(OLIG)	4,785	-4,727
FrioMIDDLE FRIO (SINTON)	5,400	-5,342
Frio	6,200	-6,142
FrioLOWER FRIO (OLIG)	6,204	-6,146
JacksonJACKSON/YEGUA	—	—
NO Change	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
4,384	4,394	Perforated
5,153	5,157	Perforated
5,176	5,182	Perforated
5,354	5,362	Perforated
5,424	5,429	Perforated
5,480	5,485	Perforated
5,889	5,894	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,417	14.75	650 S
7	6,204	9.875	985 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 →

Filed	W-2 / G-1 date	Logs referenced
Aug 8, 2018	Aug 8, 2018	—
May 22, 2015	May 19, 2015	—
Sep 1, 2011	Mar 15, 2011	—
Oct 7, 2010	Aug 11, 2010	Yes
Sep 9, 2010	—	—
Jul 5, 2004	Nov 26, 2003	Yes
May 4, 2004	—	—
Jan 7, 2004	Jul 7, 2003	Yes
Aug 7, 2003	Jul 7, 2003	Yes
Jul 23, 2003	—	—

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.

Wellbore filings for 42-391-32518 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-32518 → scanned completion filings

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 (4150 Ft. Sd.) Unit42-391-32533

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

Lagarto	2,750	-2,692
Oakville	3,300	-3,242
Catahoula	3,566	-3,508
Catahoula	4,100	-4,042
Catahoula	4,100	-4,042
Greta	4,300	-4,242
Frio	4,318	-4,260
Anahuac	4,365	-4,307

14 TOPS · FIRST 8

Clement Heard 4242-391-33211

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

Catahoula	3,544	-3,491
Frio	4,320	-4,267
Jackson	—

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

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

Lagarto	1,500	-1,441
Oakville	2,750	-2,691
Catahoula	3,300	-3,241
Catahoula	3,300	-3,241
Anahuac	4,100	-4,041
Frio	4,362	-4,303
Frio	4,365	-4,306
Frio	5,000	-4,941

10 TOPS · FIRST 8

Clement Heard 4142-391-33207

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

Catahoula	3,528	-3,474
Frio	4,316	-4,262
Jackson	—

Heard, Clement42-391-32492

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

Surface SD Clay	1,500	-1,443
Lagarto	2,750	-2,693
Oakville	3,300	-3,243
Catahoula	3,533	-3,476
Catahoula	4,100	-4,043
Frio	4,313	-4,256
Anahuac	4,365	-4,308
Frio	4,785	-4,728

11 TOPS · FIRST 8

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

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

Lagarto	1,500	-1,442
Oakville	2,750	-2,692
Catahoula	3,300	-3,242
Catahoula	3,609	-3,551
Anahuac	4,100	-4,042
Frio	4,365	-4,307
Frio	5,000	-4,942
Frio	5,068	-5,010

10 TOPS · FIRST 8

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

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

Lagarto	1,500	-1,442
Oakville	2,750	-2,692
Catahoula	3,300	-3,242
Catahoula	3,300	-3,242
Anahuac	4,100	-4,042
Frio	4,365	-4,307
Frio	4,365	-4,307
Frio	5,000	-4,942

11 TOPS · FIRST 8

Bauer, Mary Claire et Vir42-391-32503

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

Surface Sand Clay	1,500	-1,446
Lagarto	2,750	-2,696
Oakville	3,300	-3,246
Catahoula	3,544	-3,490
Frio	4,320	-4,266
Anahauac	4,365	-4,311
Anahuac	4,365	-4,311
Top 4500	4,379	-4,325

13 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/39132518, documented in the API reference.