WELL · 42-391-31289 · DISTRICT 2

Lambert, M.F. #144

N

Refugio County  · Vertical

Lambert, M.F. #144 (API 42-391-31289) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.

The RRC has issued 3 drilling permits (amended once) between 1978 and 2024, permitted to 4,900 ft.

Completion filings report 3 formation tops, including L-3, L-8, 4400.

Its lease has reported 139K barrels of oil and 211K mcf of gas since January 1993, last reporting in July 2026. The lease carries 12 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 schedulenone
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitHilcorp Energy CompanyJul 26, 2024
4,900
total depth, ft
4
permits on file
Jul 26, 2024
last permit issued
—
completed
139K
cumulative oil, bbl
211K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.372660, -97.183182

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 lease this well is completed on; they carry 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Lambert, M. F. O-2-4001Greta (4400)Hilcorp Energy Company12139K211KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 20,824 · prior 12 27,196(-23%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 168 · prior 12 2,123(-92%)

05001K1.5K202420252026

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 2001
  4. 4Hilcorp Energy CompanyAug 2001 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
901450-99RecompletionHilcorp Energy CompanyJul 19, 2024Jul 26, 2024—4,535
684650-98RecompletionHilcorp Energy CompanyJul 30, 2010Sep 8, 2009—4,535
684650-99RecompletionHilcorp Energy CompanyAug 31, 2009Sep 8, 2009—4,535
36517-99DrillPennzoil Producing Co.Oct 23, 1978Oct 23, 1978Mar 30, 19794,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-4001————

Formation tops

As filed on W-2/G-1. Subsea from 73 ft elevation.Download CSV →

FormationMD ftSubsea
L-31,855-1,782
L-82,221-2,148
44004,355-4,282

Perforations

Perforated and open-hole intervals.

FromToType
4,3604,370Perforated
4,3674,370Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,39015845 S
2.3754,346——
5.54,5358.75580 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
00Feb 26, 2025Nov 21, 2024—
00Jan 12, 1984May 7, 1979—

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 →

O'Connor42-391-33267

1.5 KM · Greta Operating Company LLC · Section with this well →

Catahoula3,455-3,436
Frio4,323-4,304
Jackson—

Thomas O'Connor42-391-33151

1.8 KM · Acock/Anaqua Operating Co., LP · Section with this well →

Catahoula3,452-3,394
Frio4,274-4,216
Jackson—

Heard, Clement42-391-00847

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

Catahoula3,616-3,557
Frio4,397-4,338
Jackson—

J.M. O'Brien JLB42-391-33276

2.2 KM · Jura Energy Operating LLC · Section with this well →

Catahoula3,461-3,403
Frio4,359-4,301
Jackson—

Tom Oconnor (5800 SD) Fld. Unit42-391-31896

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

Lagarto1,500-1,445
Oakville2,750-2,695
Catahoula3,300-3,245
Anahuac4,100-4,045
Frio4,365-4,310
Frio5,000-4,945
Frio5,880-5,825
NO Change—

Heard, Clement42-391-00842

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

Lagarto1,500-1,443
Oakville2,750-2,693
Catahoula3,300-3,243
Catahoula3,589-3,532
Anahuac4,100-4,043
Frio4,354-4,297
Frio4,365-4,308
Frio5,000-4,943

10 TOPS · FIRST 8

Tom O'Connor (5800 SD) Fld. Unit42-391-32970

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

Lagarto2,750-2,696
Catahoula3,599-3,545
Oakville4,100-4,046
Greta4,300-4,246
Frio4,355-4,301
Anahuac4,365-4,311
Frio5,000-4,946
Top 58005,779-5,725

11 TOPS · FIRST 8

Tom O'Connor (4150 Ft. Sd.) Unit42-391-01171

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

Lagarto1,500-1,447
Oakville2,750-2,697
Catahoula3,300-3,247
Catahoula3,559-3,506
Anahuac4,100-4,047
Frio4,332-4,279
Frio4,365-4,312
Frio5,000-4,947

10 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/39131289, documented in the API reference.