TEXAS · WELLS · REFUGIO COUNTY · API 42-391-01440 · DISTRICT 02

Lambert M. F. #99

Shut in

Refugio County · Tom Oconnor field · Shut In  · Vertical

Lambert M. F. #99 (API 42-391-01440) is a well in Refugio County operated by Hilcorp Energy Company, completed October 2, 2018 and listed as shut in on the RRC schedule, shut in April 1, 2022.

The RRC has issued 4 drilling permits between 2004 and 2016, permitted to 5,835 ft.

Completion filings report 9 formation tops, including Surface Sand Clay, Lagarto, Oakville, Catahoula.

Its 3 leases have reported 1.04M barrels of oil and 2.83M mcf of gas since January 1993, last reporting in July 2026. The leases carry 83 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 15, 2016
5,835
total depth, ft
4
permits on file
Dec 15, 2016
last permit issued
Oct 2, 2018
completed
1.04M
cumulative oil, bbl
2.83M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 2, 2018
Shut in
Apr 1, 2022
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 83 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Lambert, M. F. O-2-1549Tom OconnorHilcorp Energy Company26315K830KJan 1993 – Jul 2026
Lambert, M. F. O-2-2590Tom Oconnor (5500 Sand)Hilcorp Energy Company39446K1.58MJan 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 8,178 · prior 12 16,698(-51%)

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
820635-99RecompletionHilcorp Energy CompanyNov 22, 2016Dec 15, 2016Apr 24, 20175,835
798798-99RecompletionHilcorp Energy CompanyOct 21, 2014Oct 24, 2014Oct 20, 20145,835
718477-99RecompletionHilcorp Energy CompanyJun 15, 2011Jun 20, 2011Jun 15, 20115,835
545182-99RecompletionHilcorp Energy CompanyApr 30, 2004May 5, 2004May 6, 20045,835

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 2, 2018Lambert M. F. O-2-1549Tom OconnorHilcorp Energy CompanyShut In · shut in Apr 1, 20225,835
Oct 23, 2014Lambert M.F. O-2-8906Tom Oconnor (5200 East)Hilcorp Energy CompanyNot on Schedule—
Jul 1, 2011Lambert M. F. O-2-2590Tom Oconnor (5500 Sand)Hilcorp Energy CompanyNot on Schedule—
May 14, 2004Lambert M. F. O-2-1549Tom OconnorHilcorp Energy CompanyNot on Schedule—
—Lambert M. F. O-2-2590Tom Oconnor (5500 Sand)Hilcorp Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →

FormationMD ftSubsea
Surface Sand Clay1,500-1,448
LagartoLARGARTO2,750-2,698
Oakville3,300-3,248
Catahoula3,633-3,581
Catahoula3,655-3,603
Catahula4,100-4,048
Frio4,349-4,297
Frio4,350-4,298
Anahuac4,365-4,313
FrioFRIO-GRETA4,785-4,733
FrioMIDDLE FRIO5,400-5,348
FrioLOWER FRIO5,835-5,783
JacksonJACKSON/YEGUA——
NO Change——

Perforations

Perforated and open-hole intervals.

FromToType
5,1445,158Perforated
5,5125,520Perforated
5,6995,706Perforated
5,6995,707Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,02215460 S
10.751,022—460 S
75,8359.875500 S
75,835—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
00Nov 28, 2018Oct 11, 2018—
00Jun 16, 2017May 12, 2017—
00Apr 23, 2015Nov 11, 2014—
00May 3, 2012Jul 26, 2011—
00Jul 23, 2004May 26, 2004Yes
00Jun 23, 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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
—
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000125101H-1 InjectionNot activated37,4982,2054,410–4,850

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/39101440, documented in the API reference.