WELL · 42-391-01434 · DISTRICT 2

Lambert, M. F. #75

Lambert, M. F. #75 (API 42-391-01434) 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 2008 and 2018, permitted to 5,901 ft.

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

Its 2 leases have reported 22.8M barrels of oil and 14.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 595 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	none
Production reports	Hilcorp Energy Companythrough Apr 2026
Latest permit	Hilcorp Energy CompanyNov 30, 2018

5,901: total depth, ft
2: permits on file
Nov 30, 2018: last permit issued
—: completed
22.8M: cumulative oil, bbl
14.9M: 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

28.349162, -97.179942

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 595 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Tom Oconnor (5800 SD) Fld. Unit O-2-5280	Tom Oconnor (5800)	Hilcorp Energy Company	594	22.8M	14.9M	Jan 1993 – Jul 2026
Lambert, M F. O-2-11730	Tom Oconnor (5425 Sand)	Hilcorp Energy Company	1	7.02K	457	Sep 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 673,200 · prior 12 525,605(+28%)

Gas, mcf lease total

Last 12 months 117,526 · prior 12 83,726(+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
847003-99	Recompletion	Hilcorp Energy Company	Nov 20, 2018	Nov 30, 2018	—	5,901
665552-99	Recompletion	Hilcorp Energy Company	Jun 27, 2008	Jul 21, 2008	—	5,901

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-5280	—	—	—	—
—	— O-2-11730	—	—	—	—

Formation tops

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

Formation	MD ft	Subsea
Catahoula	3,662	-3,601
Frio	4,400	-4,339
JacksonJACKSON/YEGUA	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
5,513	5,518	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,007	15	600 S
7	5,895	9.875	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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jun 19, 2019	Jan 24, 2019	—
00	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 42-391-01434 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-01434 → 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. Unit42-391-32701

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

Lagarto	2,750	-2,696
Oakville	3,300	-3,246
Catahoula	3,634	-3,580
Catahoula	4,100	-4,046
Frio	4,354	-4,300
Anahuac	4,365	-4,311
Frio	4,785	-4,731
Frio	5,400	-5,346

10 TOPS · FIRST 8

Tom O'Connor (5800 SD) FLD Unit42-391-31315

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

Catahoula	3,300	-3,252
Frio	5,000	-4,952
Greta	5,102	-5,054
5500	5,530	-5,482
5900	5,885	-5,837

M. F. Lambert42-391-01401

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

Catahoula	3,636	-3,586
Frio	4,370	-4,320
Jackson	—

Tom O'Connor (5800 SD) FLD Unit42-391-01491

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

Lagarto	2,750	-2,692
Catahoula	3,625	-3,567
Oakville	4,100	-4,042
Frio	4,342	-4,284
Anahuac	4,365	-4,307
Jackson	—

Tom O'Connor (5800 SD) Fld. Unit42-391-01449

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

Lagarto	1,500	-1,451
Oakville	2,750	-2,701
Anahuac	3,300	-3,251
Catahoula	3,300	-3,251
Anahuac	4,100	-4,051
Frio	4,365	-4,316
Frio	4,365	-4,316
4600	4,498	-4,449

13 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-32700

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

Lagarto	2,750	-2,697
Oakville	3,300	-3,247
Catahoula	3,646	-3,593
Catahoula	4,100	-4,047
Anahuac	4,365	-4,312
Frio	4,368	-4,315
Frio	4,785	-4,732
Frio	5,400	-5,347

12 TOPS · FIRST 8

Lambert, M.F.42-391-33298

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

Catahoula	3,300	-3,250
Frio	4,365	-4,315
Jackson	—

Lambert, M.F.42-391-33297

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

Catahoula	3,300	-3,250
Jackson	—
Frio	—

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/39101434, documented in the API reference.