TEXAS · WELLS · REFUGIO COUNTY · API 42-391-32683 · DISTRICT 02

Lambert M. F. #158

Y

Refugio County · Tom Oconnor (5500 Sand) field · Producing  · Vertical

Lambert M. F. #158 (API 42-391-32683) is a well in Refugio County operated by Hilcorp Energy Company, completed September 15, 2013 and listed as producing on the RRC schedule.

The RRC has issued 3 drilling permits (amended once) between 2005 and 2012, permitted to 6,500 ft.

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

Its 3 leases have reported 23.7M barrels of oil and 18.1M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 673 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 CompanyDec 11, 2012
6,500
total depth, ft
4
permits on file
Dec 11, 2012
last permit issued
Sep 15, 2013
completed
23.7M
cumulative oil, bbl
18.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 15, 2013
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 leases this well is completed on; they carry 673 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 – Apr 2026
Lambert, M. F. O-2-2880Tom Oconnor (5900 Sand)Hilcorp Energy Company40504K1.58MJan 1993 – Apr 2026
Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy Company59422.8M14.9MJan 1993 – Apr 2026

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
752162-98RecompletionHilcorp Energy CompanyAug 29, 2013Dec 11, 2012Nov 29, 20126,500
752162-99RecompletionHilcorp Energy CompanyNov 27, 2012Dec 11, 2012—6,500
682155-99RecompletionHilcorp Energy CompanyJun 15, 2009Jun 25, 2009Jun 9, 20096,500
603124-99DrillHilcorp Energy CompanyJul 7, 2005Jul 7, 2005Jul 30, 20056,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 15, 2013Lambert M. F. O-2-2590Tom Oconnor (5500 Sand)Hilcorp Energy CompanyProducing6,500
Jun 11, 2009Tom Oconnor (5800 SD) Fld. Unit O-2-5280Tom Oconnor (5800)Hilcorp Energy CompanyNot on Schedule—
Aug 15, 2005Lambert M. F. O-2-2880Tom Oconnor (5900 Sand)Hilcorp Energy CompanyNot on Schedule—

Formation tops

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

FormationMD ftSubsea
LagartoLARGARTO2,750-2,696
Oakville2,900-2,846
Oakville3,300-3,246
Catahoula3,600-3,546
Anahuac4,100-4,046
CatahoulaCATAHOULA (MIOCENE)4,100-4,046
Greta4,300-4,246
AnahuacANAHUAC (MIOCENE)4,365-4,311
FrioFRIO-GRETA (OLIGOCENE)4,785-4,731
FrioUPPER FRIO5,000-4,946
FrioMIDDLE FRIO (SINTON)5,400-5,346
FrioLOWER FRIO5,800-5,746
FrioLOWER FRIO (OLIGOCENE)6,500-6,446
FrioLOWER FRIO (OLIGOCENE)——

Perforations

Perforated and open-hole intervals.

FromToType
5,5435,548Perforated
5,7785,785Perforated
5,8965,904Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,39013.5664 S
5.56,2278.751,120 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jan 28, 2022Dec 16, 2021—
00Jan 3, 2014Sep 26, 2013—
00Oct 20, 2009Jul 2, 2009Yes
00Sep 10, 2009——
00May 5, 2006Sep 2, 2005Yes
00Jan 12, 2006——

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

Open the RRC's log search for this well ↗

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/39132683, documented in the API reference.