WELL · 42-391-01442 · DISTRICT 2

Lambert M.F. #101

N

Refugio County · Tom O Connor (4650) field  · Vertical

Lambert M.F. #101 (API 42-391-01442) is a well in Refugio County operated by Hilcorp Energy Company, completed February 10, 2010.

The RRC has issued 5 drilling permits (amended once) between 1980 and 2023, permitted to 5,850 ft.

Completion filings report 6 formation tops, including Catahoula, 4400, Frio, 5100.

Its 6 leases have reported 2.51M barrels of oil and 3.64M mcf of gas since January 1993, last reporting in July 2026. The leases carry 73 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 scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyApr 25, 2023
5,850
total depth, ft
6
permits on file
Apr 25, 2023
last permit issued
Feb 10, 2010
completed
2.51M
cumulative oil, bbl
3.64M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 10, 2010
Shut in
—
Plugged
—

Surface location

28.342000, -97.171177

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 6 leases this well is completed on; they carry 73 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Lambert, M. F. O-2-2115Tom Oconnor (4400)Hilcorp Energy Company451.73M2.54MJan 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
Lambert, M.F. O-2-9384Tom O'Connor (4650)Hilcorp Energy Company3414K178KFeb 2010 – Jul 2026
Lambert, M. F. G-2-181545Tom Oconnor (5250)Hilcorp Energy Company10198KDec 2000 – Apr 2006
Lambert, M. F. G-2-87260Tom Oconnor (5400 Sand)Devon Energy Production Co, L.P.1015.5KJan 1993 – Dec 2000

Oil, barrels lease total

Last 12 months 82,964 · prior 12 113,312(-27%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 3,409 · prior 12 7,020(-51%)

05K10K15K202420252026

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
889921-99RecompletionHilcorp Energy CompanyApr 19, 2023Apr 25, 2023Apr 17, 20235,850
682188-98RecompletionHilcorp Energy CompanyDec 29, 2009Jun 26, 2009Feb 4, 20105,850
682188-99RecompletionHilcorp Energy CompanyJun 16, 2009Jun 26, 2009—5,850
655150-99RecompletionHilcorp Energy CompanyFeb 12, 2008Feb 28, 2008Feb 14, 20085,250
502444-99RecompletionDevon Energy Production Co, L.P.Nov 29, 2000Nov 29, 2000Dec 1, 20005,250
73302-99RecompletionPennzoil Producing Co.Feb 15, 1980Feb 15, 1980—5,850

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-87260————
—— G-2-181545————
—— O-2-2115————
—— O-2-6619————
—— O-2-8906————
—— O-2-9384————

Formation tops

As filed on W-2/G-1. Subsea from 64 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula3,300-3,236
44004,402-4,338
Frio5,000-4,936
51005,152-5,088
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
4,3624,380Perforated
4,6444,649Perforated
5,1525,159Perforated
5,2265,236Perforated
5,3685,374Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,02815640 S
2.3755,308——
75,8509.875706 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
00Dec 4, 2023Oct 10, 2023—
00Aug 30, 2023Jul 6, 2023—
00Jun 18, 2010Feb 24, 2010Yes
00Apr 16, 2010——
00May 13, 2008Mar 19, 2008Yes
00May 1, 2008——
00Feb 5, 2007Apr 21, 2006—
00Aug 10, 2006——
00Jun 20, 2001Jan 16, 2001Yes
00Apr 3, 2001——
00Jan 12, 1984Apr 18, 1980—
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. Unit42-391-01428

0.1 KM · Pennzoil Producing Co. · Section with this well →

Catahoula3,602-3,551
Frio4,365-4,314
Top 53005,269-5,218
Jackson—

M. F. Lambert42-391-01446

0.3 KM · Pennzoil Producing Co. · Section with this well →

Catahoula3,609-3,558
Frio4,362-4,311
Greta5,068-5,017
5675'5,642-5,591
5800'5,807-5,756
5900'5,886-5,835
NO Change—

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

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

Lagarto1,500-1,451
Oakville2,750-2,701
Anahuac3,300-3,251
Catahoula3,300-3,251
Anahuac4,100-4,051
Frio4,365-4,316
Frio4,365-4,316
46004,498-4,449

13 TOPS · FIRST 8

Lambert, M.F.42-391-33298

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

Catahoula3,300-3,250
Frio4,365-4,315
Jackson—

Lambert, M.F.42-391-33297

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

Catahoula3,300-3,250
Frio—
Jackson—

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

0.6 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

O'Connor, Thomas 'A'42-391-01468

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

Frio540-489
Lagarto2,750-2,699
Oakville3,300-3,249
Catahoula3,628-3,577
Catahoula4,100-4,049
Ananhuac (Miocene)4,365-4,314
Frio4,406-4,355
Frio4,785-4,734

10 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-01444

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

Lagarto2,750-2,699
Catahoula3,618-3,567
Oakville4,100-4,049
Anahuac4,365-4,314
Frio4,374-4,323
4400 Sand4,374-4,323
Greta5,120-5,069
Jackson—

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/39101442, documented in the API reference.