WELL · 42-391-01388 · DISTRICT 2
Lambert, M.F. #56
Refugio County · Vertical
Lambert, M.F. #56 (API 42-391-01388) 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 2011 and 2023, permitted to 5,910 ft.
Completion filings report 5 formation tops, including Catahoula, Frio, Tom O'Connor (5200, East), Tom O'Connor (5900 Sand).
Its 3 leases have reported 2.51M barrels of oil and 4.54M mcf of gas since January 1993, last reporting in July 2026. The leases carry 103 wells, so these are lease totals, not this well alone.
Operator of record
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 schedule | none |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyJan 20, 2023 |
- 5,910
- total depth, ft
- 4
- permits on file
- Jan 20, 2023
- last permit issued
- —
- completed
- 2.51M
- cumulative oil, bbl
- 4.54M
- 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
28.336406, -97.176991
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 3 leases this well is completed on; they carry 103 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lambert, M. F. O-2-2115 | Tom Oconnor (4400) | Hilcorp Energy Company | 45 | 1.73M | 2.54M | Jan 1993 – Jul 2026 |
| Lambert, M. F. O-2-2880 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 40 | 504K | 1.58M | Jan 1993 – Jul 2026 |
| Lambert, M.F. O-2-8906 | Tom Oconnor (5200, East) | Hilcorp Energy Company | 18 | 274K | 418K | Aug 2004 – Jul 2026 |
Oil, barrels lease total
Last 12 months 79,579 · prior 12 111,583(-29%)
Gas, mcf lease total
Last 12 months 3,134 · prior 12 6,416(-51%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999
- 2Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 3Devon Energy Production Co, L.P.Apr 2000 → Jul 2002
- 4Hilcorp Energy CompanyAug 2002 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 887347-99 | Recompletion | Hilcorp Energy Company | Jan 17, 2023 | Jan 20, 2023 | Jan 13, 2023 | 5,910 |
| 826486-99 | Recompletion | Hilcorp Energy Company | May 10, 2017 | May 26, 2017 | May 11, 2017 | 5,910 |
| 726903-98 | Recompletion | Hilcorp Energy Company | Feb 14, 2012 | Nov 30, 2011 | — | 5,910 |
| 726903-99 | Recompletion | Hilcorp Energy Company | Oct 25, 2011 | Nov 30, 2011 | — | 5,910 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-2115 | — | — | — | — |
| — | — O-2-2880 | — | — | — | — |
| — | — O-2-8906 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 51 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,365 | 4,379 | Perforated |
| 5,220 | 5,227 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,227 | 15 | 528 S |
| 7 | 5,898 | 9.875 | 528 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 4, 2023 | Sep 18, 2023 | — |
| 00 | Apr 27, 2023 | Feb 21, 2023 | — |
| 00 | Sep 29, 2017 | Jul 5, 2017 | — |
| 00 | Jan 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.
- Wellbore filings for 42-391-01388 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01388 → scanned completion filings
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.
Tom O'Connor (5800 SD) Fld. Unit42-391-01394
0.1 KM · Hilcorp Energy Company · Section with this well →
| Lagarto | 2,750 | -2,688 |
| Oakville | 3,300 | -3,238 |
| Catahoula | 3,624 | -3,562 |
| Anahuac | 4,365 | -4,303 |
| Frio | 4,367 | -4,305 |
| Frio | 4,785 | -4,723 |
| Frio | 5,400 | -5,338 |
| Frio | 5,845 | -5,783 |
9 TOPS · FIRST 8
Tom O'Connor (5800 SD) Fld. Unit42-391-01444
0.2 KM · Hilcorp Energy Company · Section with this well →
| Lagarto | 2,750 | -2,699 |
| Catahoula | 3,618 | -3,567 |
| Oakville | 4,100 | -4,049 |
| Anahuac | 4,365 | -4,314 |
| 4400 Sand | 4,374 | -4,323 |
| Frio | 4,374 | -4,323 |
| Greta | 5,120 | -5,069 |
| NO Change | — |
9 TOPS · FIRST 8
Tom O'Connor (5800'SD)FIELD Unit42-391-01364
0.4 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,437 |
| Oakville | 2,750 | -2,687 |
| Catahoula | 3,300 | -3,237 |
| Catahoula | 3,300 | -3,237 |
| Catahoula | 3,300 | -3,237 |
| Anahuac | 4,100 | -4,037 |
| Anahuac | 4,100 | -4,037 |
| Frio | 4,365 | -4,302 |
16 TOPS · FIRST 8
Tom O'Connor (5800 SD) Fld. Unit42-391-32794
0.4 KM · Hilcorp Energy Company · Section with this well →
| Lagarto | 2,750 | -2,699 |
| Oakville | 3,300 | -3,249 |
| Catahoula | 3,614 | -3,563 |
| Catahoula | 4,100 | -4,049 |
| Anahuac | 4,365 | -4,314 |
| Ananhuac | 4,365 | -4,314 |
| Frio | 4,389 | -4,338 |
| Frio | 4,785 | -4,734 |
12 TOPS · FIRST 8
Tom O'Connor (5800 SD) Fld. Unit42-391-01433
0.5 KM · Hilcorp Energy Company · Section with this well →
| Lagarto | 2,750 | -2,700 |
| Catahoula | 3,627 | -3,577 |
| Oakville | 4,100 | -4,050 |
| Anahuac | 4,365 | -4,315 |
| Frio | 4,400 | -4,350 |
| NO Change | — | |
| Jackson | — |
Lambert, M.F.42-391-33297
0.5 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,300 | -3,250 |
| Frio | — | |
| Jackson | — |
Lambert, M.F.42-391-33298
0.5 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,300 | -3,250 |
| Frio | 4,365 | -4,315 |
| Jackson | — |
Tom O'Connor (5800 SD) Fld. Unit42-391-01396
0.6 KM · Pennzoil Producing Co. · Section with this well →
| Catahoula | 3,635 | -3,577 |
| Frio | 4,360 | -4,302 |
| 4400 | 4,360 | -4,302 |
| 4500 | 4,428 | -4,370 |
| 5400 | 5,456 | -5,398 |
| 5450' | 5,496 | -5,438 |
| 5500' | 5,538 | -5,480 |
| 5800' | 5,750 | -5,692 |
9 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/39101388, documented in the API reference.