WELL · 42-391-01552 · DISTRICT 2

Tom O'Connor (5800 SD) FLD Unit #Q085

Tom O'Connor (5800 SD) Fld Unit #Q085 (API 42-391-01552) is a disposal or injection well in Refugio County operated by Hilcorp Energy Company under an active UIC permit.

The RRC has issued 5 drilling permits between 1978 and 2023, permitted to 5,918 ft.

Completion filings report 3 formation tops, including Anahuac, Catahoula, Frio.

Its 2 leases have reported 23M barrels of oil and 15.6M mcf of gas since January 1993, last reporting in July 2026. The leases carry 606 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit; TexNet located 0 M2+ earthquakes within 10 km over the last two years.

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	none
Production reports	Hilcorp Energy Companythrough Apr 2026
Latest permit	Hilcorp Energy CompanyJul 14, 2023

5,918: total depth, ft
5: permits on file
Jul 14, 2023: last permit issued
—: completed
23M: cumulative oil, bbl
15.6M: 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

28.358195, -97.138086

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 2 leases this well is completed on; they carry 606 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Oconnor, Thomas -A- O-2-4927	Tom Oconnor (5450 Sand)	Hilcorp Energy Company	12	238K	685K	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

Oil, barrels lease total

Last 12 months 673,200 · prior 12 524,408(+28%)

Gas, mcf lease total

Last 12 months 117,526 · prior 12 83,712(+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
891800-99	Recompletion	Hilcorp Energy Company	Jul 3, 2023	Jul 14, 2023	Jun 7, 2023	5,918
517280-99	Recompletion	Hilcorp Energy Company	Feb 1, 2002	Feb 4, 2002	—	5,918
487390-99	Recompletion	Quintana Pet. Corp.	Sep 9, 1999	Sep 15, 1999	—	5,918
29885-99	Recompletion	Quintana Pet. Corp.	Jul 17, 1978	Jul 17, 1978	—	5,918
24446-99	Recompletion	Quintana Pet. Corp.	May 17, 1978	May 17, 1978	—	5,918

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-4927	—	—	—	—
—	— O-2-5280	—	—	—	—
—	— O-2-5280	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →

Formation	MD ft	Subsea
Anahuac	2,252	-2,197
AnahuacANAHUAC (MIOCENE)	2,252	-2,197
Catahoula	3,609	-3,554
Frio	4,265	-4,210
Frio	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
5,501	5,506	Perforated
5,833	5,842	Perforated
5,847	5,867	Perforated
—	5,800	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	1,062	14	317 S
9.625	1,062	13.5	350 S
2.375	5,466	—	—
5.5	5,914	8.75	500 S
5.5	5,915	8.75	500 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
Sep 20, 2024	Aug 21, 2024	—
Nov 15, 2023	Aug 24, 2023	—
Jan 12, 1984	Jul 24, 1978	—
Jan 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.

Wellbore filings for 42-391-01552 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-01552 → 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 (5800 SD) FLD Unit42-391-01553

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

Catahoula	3,672	-3,623
Catahoula	3,672	-3,623
Frio	4,419	-4,370
Frio	4,419	-4,370
M. Frio Sinton	5,030	-4,981
Jackson	—
Jackson	—
NO Change	—

Tom Oconnor (5800 SD) Fld. Unit42-391-01551

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

Lagarto	1,500	-1,452
Oakville	2,750	-2,702
Catahoula	3,300	-3,252
Catahoula	3,655	-3,607
Anahuac	4,100	-4,052
Catahoula	4,100	-4,052
Anahuac	4,230	-4,182
Frio	4,365	-4,317

18 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-01539

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

Catahoula	3,650	-3,600
Greta	4,362	-4,312
Frio	4,402	-4,352
NO Change	—
Jackson	—

Tom Oconnor (5800SD) Fld. Unit42-391-01579

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

Lagarto	1,500	-1,450
Oakville	2,750	-2,700
Catahoula	3,300	-3,250
Anahuac	4,100	-4,050
Frio	4,365	-4,315
Frio	5,000	-4,950
Frio	5,880	-5,830

O'Connor, Thomas 'A'42-391-01546

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

Lagarto	1,500	-1,452
Oakville	2,750	-2,702
Catahoula	3,300	-3,252
Catahoula	3,676	-3,628
Anahuac	4,100	-4,052
Frio	4,365	-4,317
Frio	4,452	-4,404
Frio	5,000	-4,952

10 TOPS · FIRST 8

Tom Oconnor (5800SD) Fld. Unit42-391-02036

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

Lagarto	1,500	-1,452
Surface SD Clay	1,500	-1,452
Oakville	2,750	-2,702
Catahoula	3,300	-3,252
Catahoula	4,100	-4,052
Anahuac	4,100	-4,052
Frio	4,365	-4,317
Anahuac	4,365	-4,317

13 TOPS · FIRST 8

Tom Oconnor (5800 SD) Fld. Unit42-391-32502

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

Lagarto	2,750	-2,698
Oakville	3,300	-3,248
Catahoula	3,688	-3,636
Catahoula	4,100	-4,048
Anahuac	4,365	-4,313
Greta	4,420	-4,368
Frio	4,421	-4,369
Frio	4,785	-4,733

13 TOPS · FIRST 8

Oconnor, Thomas -C-42-391-01564

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

Oakville	2,750	-2,694
Catahoula	3,300	-3,244
Frio	4,365	-4,309
Frio	4,365	-4,309

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0: bbl, last 12 reported months
0: bbl, all reported
Sep 2025: reported through

UIC	Kind	Status	Permitted bbl/d	Max psi	Zone ft
000126375	H-1 Injection	Active	0	0	5,833–5,890

MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS

Last 12 months 0

TexNet catalog via USGS

Seismicity near this well

0: M2+ events within 10 km, last 2 years
—: largest

A proximity count, not an attribution. How to read it →

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/39101552, documented in the API reference.