WELL · 42-391-31846 · DISTRICT 2

Heard Fannie V. W. Mrs. #108

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

Heard Fannie V. W. Mrs. #108 (API 42-391-31846) is a well in Refugio County operated by Hilcorp Energy Company, completed May 15, 1985.

The RRC has issued 5 drilling permits between 1985 and 2017, permitted to 6,123 ft.

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

Its 3 leases have reported 26.2M barrels of oil and 16.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 713 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 schedule	Hilcorp Energy Company
Production reports	Hilcorp Energy Companythrough Apr 2026
Latest permit	Hilcorp Energy CompanyJun 27, 2017

6,123: total depth, ft
5: permits on file
Jun 27, 2017: last permit issued
May 15, 1985: completed
26.2M: cumulative oil, bbl
16.9M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: May 15, 1985
Shut in: —
Plugged: —

Surface location

28.388116, -97.146326

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 3 leases this well is completed on; they carry 713 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Heard, Fannie V. W., Mrs. O-2-2586	Tom Oconnor (5500 Sand)	Hilcorp Energy Company	60	2.28M	1.64M	Jan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280	Tom Oconnor (5800)	Hilcorp Energy Company	594	22.8M	14.9M	Jan 1993 – Jul 2026
Tom O'CONNOR(5600 Foot Sand)unit O-2-8950	Tom O'Connor (5600 Foot Sand)	Hilcorp Energy Company	59	1.13M	357K	Mar 2005 – Jul 2026

Oil, barrels lease total

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

Gas, mcf lease total

Last 12 months 118,966 · prior 12 84,996(+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
827903-99	Recompletion	Hilcorp Energy Company	Jun 16, 2017	Jun 27, 2017	Apr 10, 2017	6,123
683237-99	Recompletion	Hilcorp Energy Company	Jul 20, 2009	Jul 29, 2009	Jul 17, 2009	6,123
353899-99	Recompletion	Quintana Pet. Corp.	Dec 5, 1988	Dec 7, 1988	—	6,123
283558-99	Recompletion	Quintana Pet. Corp.	Aug 13, 1985	Aug 29, 1985	—	6,123
271916-99	Drill	Quintana Pet. Corp.	Apr 8, 1985	Apr 11, 1985	May 1, 1985	6,100

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-2586	—	—	—	—
—	— O-2-2586	—	—	—	—
—	— O-2-5280	—	—	—	—
—	— O-2-8950	—	—	—	—

Formation tops

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

Formation	MD ft	Subsea
LagartoLARGARTO	1,500	-1,446
Oakville	2,750	-2,696
CatahoulaCATAHOULA (MIOCENE)	3,300	-3,246
Catahoula	3,570	-3,516
AnahuacANAHUAC (MIOCENE)	4,100	-4,046
Frio	4,324	-4,270
FrioFRIO-GRETA (OLIGOCENE)	4,365	-4,311
FrioMIDDLE FRIO (SINTON)	5,000	-4,946
FrioMIDDLE FRIO(SINTON)	5,000	-4,946
5500 SD Top	5,492	-5,438
5600 SD Top	5,565	-5,511
FrioLOWER FRIO (OLIGOCENE)	5,880	-5,826
JacksonJACKSON/YEGUA	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
5,493	5,497	Perforated
5,535	5,541	Perforated
5,563	5,572	Perforated
5,742	5,751	Perforated
5,896	5,905	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,507	14.75	810 S
7	6,122	9.875	1,288 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
Oct 26, 2017	Jun 28, 2017	—
Oct 26, 2009	Aug 7, 2009	Yes
Sep 15, 2009	—	—
Apr 20, 1989	Mar 13, 1989	Yes
Mar 30, 1989	Oct 4, 1985	Yes
Mar 30, 1989	—	—
Oct 31, 1985	Oct 4, 1985	—
Oct 29, 1985	—	—
Jul 31, 1985	Jul 16, 1985	—
Jul 25, 1985	—	—

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 42-391-31846 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-31846 → 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(5600 Foot Sand)unit42-391-31718

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

Lagarto	1,500	-1,446
Surfac Sand Clay	1,500	-1,446
Oakville	2,750	-2,696
Catahoula	3,300	-3,246
Catahoula	3,567	-3,513
Anahuac	4,100	-4,046
Frio	4,348	-4,294
Frio	4,365	-4,311

17 TOPS · FIRST 8

Tom O'Connor (5800'SD)FIELD Unit42-391-31849

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

Lagarto	1,500	-1,446
Surface Sand Clay	1,500	-1,446
Oakville	2,750	-2,696
Catahoula	3,300	-3,246
Catahoula	3,552	-3,498
Anahuac	4,100	-4,046
Frio	4,324	-4,270
Frio	4,365	-4,311

14 TOPS · FIRST 8

Tom O'Connor 4400 Sand Gas Unit42-391-03793

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

NO Change

—

Tom O'Connor (5800 SD) Fld. Unit42-391-32709

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

Lagarto	2,750	-2,694
Oakville	2,900	-2,844
Catahoula	3,545	-3,489
Anahuac	4,100	-4,044
Greta	4,300	-4,244
Frio	4,333	-4,277
Anahuac	4,365	-4,309
Frio	4,785	-4,729

12 TOPS · FIRST 8

Heard, Fannie V. W., Mrs.42-391-33201

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

Catahoula	3,577	-3,527
Frio	4,320	-4,270
Jackson	—

Tom O'Connor (5800 SD) Fld. Unit42-391-32672

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

Lagarto	2,750	-2,694
Oakville	3,300	-3,244
Catahoula	3,576	-3,520
Catahoula	3,576	-3,520
Greta	4,300	-4,244
Frio	4,325	-4,269
Frio	4,325	-4,269
Ananhuac (Miocene)	4,365	-4,309

16 TOPS · FIRST 8

Mrs. Fannie V. W. Heard42-391-00696

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

Lagarto	1,500	-1,445
Oakville	2,750	-2,695
Catahoula	3,300	-3,245
Catahoula	3,583	-3,528
Anahuac	4,100	-4,045
Frio	4,316	-4,261
Frio	4,365	-4,310
Top of 4500	4,387	-4,332

11 TOPS · FIRST 8

Tom Oconnor (5800 SD) Fld. Unit42-391-00703

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

Lagarto	1,500	-1,447
Oakville	2,750	-2,697
Catahoula	3,300	-3,247
Anahuac	4,100	-4,047
Frio	4,365	-4,312
Frio	4,365	-4,312
Frio	5,000	-4,947
Frio	5,880	-5,827

9 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/39131846, documented in the API reference.