WELL · 42-391-01422 · DISTRICT 2

M. F. Lambert #25

N

Refugio County  · Vertical

M. F. Lambert #25 (API 42-391-01422) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 5 drilling permits (amended once) between 1985 and 2021, permitted to 5,901 ft.

Completion filings report 6 formation tops, including Catahoula, Frio, 5,250, 5,900.

Its 3 leases have reported 806K barrels of oil and 2.29M mcf of gas since January 1993, last reporting in July 2026. The leases carry 62 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 schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMar 24, 2021
5,901
total depth, ft
6
permits on file
Mar 24, 2021
last permit issued
—
completed
806K
cumulative oil, bbl
2.29M
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

28.351760, -97.167550

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Lambert, M. F. O-2-2590Tom Oconnor (5500 Sand)Hilcorp Energy Company39446K1.58MJan 1993 – Jul 2026
Lambert, M.F. O-2-6619Tom Oconnor (5250)Hilcorp Energy Company585.7K295KJan 1993 – Jul 2026
Lambert, M.F. O-2-8906Tom Oconnor (5200, East)Hilcorp Energy Company18274K418KAug 2004 – Jul 2026

Oil, barrels lease total

Last 12 months 6,848 · prior 12 16,698(-59%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 83 · prior 12 982(-92%)

05K10K202420252026

Chain of custody

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

  1. 1Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999
  2. 2Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
  3. 3Devon Energy Production Co, L.P.Apr 2000 → Jul 2002
  4. 4Hilcorp Energy CompanyAug 2002 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
868435-99RecompletionHilcorp Energy CompanyMar 16, 2021Mar 24, 2021Mar 4, 20215,901
709009-98RecompletionHilcorp Energy CompanyMay 10, 2012Feb 3, 2011—5,901
709009-99RecompletionHilcorp Energy CompanyJan 21, 2011Feb 3, 2011—5,901
606702-99RecompletionHilcorp Energy CompanySep 21, 2005Sep 23, 2005Dec 28, 20055,901
274814-99RecompletionPennzoil Producing Co.Apr 29, 1985May 13, 1985—5,892
270016-99RecompletionPennzoil Producing Co.Mar 15, 1985Mar 20, 1985—5,892

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-2590————
—— O-2-6619————
—— O-2-8906————

Formation tops

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

FormationMD ftSubsea
Catahoula3,628-3,574
Frio4,352-4,298
5,2505,226-5,172
5,9005,841-5,787
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,1525,166Perforated
5,2265,240Perforated
5,2315,245Perforated
5,5225,527Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,219—500 S
75,8849.875500 S
75,884—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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jun 11, 2021May 25, 2021—
00Aug 25, 2006Jan 24, 2006Yes
00Apr 6, 2006——
00Aug 9, 1985Jul 12, 1985—
00Jul 23, 1985——
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.

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 Unit42-391-01491

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

Lagarto2,750-2,692
Catahoula3,625-3,567
Oakville4,100-4,042
Frio4,342-4,284
Anahuac4,365-4,307
Jackson—

Thomas O'Connor 'A'42-391-01467

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

Lagarto1,500-1,448
Oakville2,750-2,698
Catahoula3,300-3,248
Catahoula3,600-3,548
Anahuac4,100-4,048
Anahuac4,100-4,048
Catahoula4,100-4,048
Greta4,300-4,248

19 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-01487

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,596-3,543
Anahuac4,100-4,047
Frio4,341-4,288
Frio4,365-4,312
Anahuac4,365-4,312

14 TOPS · FIRST 8

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

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

Catahoula3,300-3,252
Frio5,000-4,952
Greta5,102-5,054
55005,530-5,482
59005,885-5,837

Thomas O'Connor 'A'42-391-01460

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

Lagarto1,500-1,448
Oakville2,750-2,698
Catahoula3,300-3,248
Catahoula3,300-3,248
Catahoula3,590-3,538
Anahuac4,100-4,048
Anahuac4,100-4,048
Frio4,342-4,290

14 TOPS · FIRST 8

Tom O'Connor "A"42-391-01515

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,300-3,247
Catahoula3,586-3,533
Anahuac4,100-4,047
Anahuac4,100-4,047
Frio4,365-4,312

17 TOPS · FIRST 8

Thomas O'Connor 'A'42-391-01473

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,635-3,582
Anahuac4,100-4,047
Frio4,365-4,312
Frio4,398-4,345
Frio5,000-4,947

10 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-32701

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

Lagarto2,750-2,696
Oakville3,300-3,246
Catahoula3,634-3,580
Catahoula4,100-4,046
Frio4,354-4,300
Anahuac4,365-4,311
Frio4,785-4,731
Frio5,400-5,346

10 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/39101422, documented in the API reference.