WELL · 42-391-01393 · DISTRICT 2

Lambert M. F. #104

N

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

Lambert M. F. #104 (API 42-391-01393) is a well in Refugio County operated by Hilcorp Energy Company, completed February 23, 2006.

The RRC has issued 4 drilling permits (amended once) between 2003 and 2011, permitted to 5,820 ft.

Completion filings report 6 formation tops, including Surface Sand Clay, Lagarto, Oakville, Catahoula.

Its 5 leases have reported 2.2M barrels of oil and 4.19M mcf of gas since January 1993, last reporting in July 2026. The leases carry 88 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 CompanyFeb 2, 2011
5,820
total depth, ft
5
permits on file
Feb 2, 2011
last permit issued
Feb 23, 2006
completed
2.2M
cumulative oil, bbl
4.19M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 23, 2006
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 5 leases this well is completed on; they carry 88 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-2-2590Tom Oconnor (5500 Sand)Hilcorp Energy Company39446K1.58MJan 1993 – Jul 2026
M. F. Lambert O-2-9325Tom Oconnor (4600)Hilcorp Energy Company11.65K18.7KJun 2009 – Dec 2011
Lambert, M. F. O-2-9103Tom O'Connor (4650)Hilcorp Energy Company15.01K24.9KFeb 2006 – Aug 2009
Lambert, M. F. O-2-8753Tom Oconnor (5625 Sand)Hilcorp Energy Company211.1K32.3KNov 2002 – Feb 2007

Oil, barrels lease total

Last 12 months 76,994 · prior 12 100,919(-24%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 3,101 · prior 12 5,918(-48%)

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
708976-99RecompletionHilcorp Energy CompanyJan 21, 2011Feb 2, 2011Feb 15, 20115,820
681183-99RecompletionHilcorp Energy CompanyMay 12, 2009May 18, 2009May 27, 20095,820
612864-99RecompletionHilcorp Energy CompanyJan 23, 2006Jan 27, 2006Feb 10, 20065,820
533912-98RecompletionHilcorp Energy CompanyJan 20, 2004Jul 10, 2003Feb 5, 20045,820
533912-99RecompletionHilcorp Energy CompanyJul 7, 2003Jul 10, 2003—5,820

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-2115————
—— O-2-2590————
—— O-2-8753————
—— O-2-9103————
—— O-2-9325————

Formation tops

As filed on W-2/G-1. Subsea from 48 ft elevation.Download CSV →

FormationMD ftSubsea
Surface Sand Clay1,500-1,452
LagartoLARGARTO2,750-2,702
Oakville3,300-3,252
CatahoulaCATAHOULA (MIOCENE)4,100-4,052
Oakville4,100-4,052
Anahuac4,365-4,317
AnahuacANAHUAC (MIOCENE)4,365-4,317
AnahuacANAHUAC (MIRCENE)4,365-4,317
FrioFRIO-GRETA (OLIGOCENE)4,785-4,737
FrioFRIO-GRETA (OLIGONENE)4,785-4,737
FrioMIDDLE FRIO (SINTON)5,400-5,352
Frio5,820-5,772
FrioLOWER FRIO (OLIGOCENE)5,820-5,772

Perforations

Perforated and open-hole intervals.

FromToType
4,3754,389Perforated
4,5124,514Perforated
4,6604,668Perforated
5,6085,614Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,019—460 S
10.751,01915640 S
75,820—500 S
75,8209.875705 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
00Nov 30, 2011Mar 21, 2011—
00Oct 14, 2009Jun 12, 2009Yes
00Aug 19, 2009——
00Dec 16, 2008Mar 14, 2006—
00May 11, 2007Mar 14, 2006Yes
00Mar 1, 2007——
00Apr 6, 2004Feb 23, 2004Yes
00Mar 25, 2004——
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.

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/39101393, documented in the API reference.