WELL · 42-391-00669 · DISTRICT 2

Heard Claud E. Etal #8

N

Refugio County · Tom Oconnor (5800) field  · Vertical

Heard Claud E. Etal #8 (API 42-391-00669) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1993 and 2007, permitted to 5,925 ft.

It was permitted by Hilcorp Energy Company and has since transferred to Quintana Pet. Corp. on the wellbore schedule.

Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 3 leases have reported 23.7M barrels of oil and 15.7M mcf of gas since January 1993, last reporting in July 2026. The leases carry 625 wells, so these are lease totals, not this well alone.

Operator of record

Quintana Pet. Corp.

Permitted by Hilcorp Energy Company; the EWA schedule now lists a different operator.

Refugio, TX · P-5 Y, filed Jun 9, 2000 · 1,589 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleQuintana Pet. Corp.
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyOct 1, 2007

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

5,925
total depth, ft
2
permits on file
Oct 1, 2007
last permit issued
—
completed
23.7M
cumulative oil, bbl
15.7M
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 3 leases this well is completed on; they carry 625 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Heard, Claude E., et AL O-2-1539Tom OconnorHilcorp Energy Company12163K369KJan 1993 – Jul 2026
Heard, Claude E. et AL O-2-1798Tom Oconnor (4400)Hilcorp Energy Company19760K407KJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 700,189 · prior 12 555,913(+26%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,888 · prior 12 84,338(+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
646770-99RecompletionHilcorp Energy CompanySep 26, 2007Oct 1, 2007Sep 27, 20075,925
409525-99RecompletionQuintana Pet. Corp.Mar 4, 1993Mar 16, 1993Apr 6, 19935,925

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-1539————
—— O-2-1798————
—— O-2-5280————

Formation tops

As filed on W-2/G-1. Subsea from 61 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,439
LagartoLARGARTO2,750-2,689
Oakville2,750-2,689
CatahoulaCATAHOULA (MIOCENE)3,300-3,239
Oakville3,300-3,239
AnahuacANAHUAC (OLIGOCENE)4,100-4,039
CatahoulaCATAHOULA (MIOCENE)4,100-4,039
AnahuacANAHUAC (MIOCENE)4,365-4,304
FrioFRIO-GRETA4,365-4,304
FrioFRIO-GRETA (OLIG)4,785-4,724
FrioMIDDLE FRIO (SINTON)5,000-4,939
FrioMIDDLE FRIO (SINTON)5,400-5,339
FrioLOWER FRIO (OLIGOCENE)5,880-5,819
FrioLOWER FRIO (OLIGO)5,925-5,864

Perforations

Perforated and open-hole intervals.

FromToType
4,3704,380Perforated
5,8435,849Perforated
—5,800Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,04516350 S
55,9238.75500 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
00May 15, 2008Apr 14, 2008Yes
00May 2, 2008——
00Jun 29, 1993Apr 27, 1993Yes
00May 13, 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/39100669, documented in the API reference.