WELL · 42-391-30395 · DISTRICT 2

Lambert M. F. #P140

N

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

Lambert M. F. #P140 (API 42-391-30395) is a well in Refugio County operated by Hilcorp Energy Company, completed October 20, 2004.

The RRC has issued 4 drilling permits (amended once) between 1994 and 2009, permitted to 6,025 ft.

Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.

Its 4 leases have reported 23.7M barrels of oil and 18.1M mcf of gas since January 1993, last reporting in July 2026. The leases carry 677 wells, so these are lease totals, not this well alone.

Operator of record

Hilcorp Energy Company

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyMay 19, 2009
6,025
total depth, ft
5
permits on file
May 19, 2009
last permit issued
Oct 20, 2004
completed
23.7M
cumulative oil, bbl
18.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 20, 2004
Shut in
—
Plugged
—

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 4 leases this well is completed on; they carry 677 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-2-2880Tom Oconnor (5900 Sand)Hilcorp Energy Company40504K1.58MJan 1993 – Jul 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Jul 2026
Lambert, M. F. O-2-3698Tom Oconnor (5400 Sand)Hilcorp Energy Company43518.85KJan 1993 – Oct 2009

Oil, barrels lease total

Last 12 months 678,789 · prior 12 532,558(+27%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 117,581 · prior 12 84,332(+39%)

020K40K60K202420252026

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. 2Quintana Pet. Corp.Jan 1993 → Nov 2000
  3. 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
  4. 4Devon Energy Production Co, L.P.Apr 2000 → Jul 2002
  5. 5Hilcorp Energy CompanyDec 2000 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
681179-99RecompletionHilcorp Energy CompanyMay 12, 2009May 19, 2009Jul 9, 20096,025
623114-98RecompletionHilcorp Energy CompanyOct 30, 2006Jul 25, 2006Oct 26, 20066,025
623114-99RecompletionHilcorp Energy CompanyJul 24, 2006Jul 25, 2006—6,025
552708-99RecompletionHilcorp Energy CompanyOct 22, 2004Oct 27, 2004—6,025
426846-99RecompletionQuintana Pet. Corp.Aug 11, 1994Aug 15, 1994May 18, 19956,025

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-2590————
—— O-2-2880————
—— O-2-3698————
—— O-2-5280————

Formation tops

As filed on W-2/G-1. Subsea from 66 ft elevation.Download CSV →

FormationMD ftSubsea
LagartoLARGARTO1,500-1,434
Oakville2,750-2,684
CatahoulaCATAHOULA MIOCENE3,300-3,234
AnahuacANAHUAC MIOCENE4,100-4,034
FrioFRIO GRETA OLIGOCENE4,365-4,299
FrioMIDDLE FRIO SINTON5,000-4,934
FrioLOWER FRIO OLIGOCENE5,880-5,814
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,3425,350Perforated
5,3655,376Perforated
5,3895,400Perforated
5,5335,539Perforated
5,7485,756Perforated
5,7755,782Perforated
5,8485,858Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,29015980 S
75,8409.875830 S
5.56,0258.75830 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
00Jan 27, 2010Aug 24, 2009Yes
00Jun 17, 2008Jan 14, 2008Yes
00Feb 21, 2008——
00Feb 1, 2005Nov 3, 2004Yes
00Dec 1, 2004——
00Aug 10, 1995Jun 7, 1995Yes
00Jun 16, 1995Jul 18, 1975—
00Jan 12, 1984Jul 18, 1975—

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.

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/39130395, documented in the API reference.