WELL · 42-391-01191 · DISTRICT 2
M. F. Lambert #87
Refugio County · Vertical
M. F. Lambert #87 (API 42-391-01191) is a permitted well in Refugio County filed by Hilcorp Energy Company; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 2007 and 2011, permitted to 5,996 ft.
Completion filings report one formation top, including No Change.
Its 2 leases have reported 372 barrels of oil and 9.78K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
- 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 schedule | none |
| Production reports | Hilcorp Energy Companythrough Apr 2007 |
| Latest permit | Hilcorp Energy CompanyFeb 2, 2011 |
- 5,996
- total depth, ft
- 3
- permits on file
- Feb 2, 2011
- last permit issued
- —
- completed
- 372
- cumulative oil, bbl
- 9.78K
- 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
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 2 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lambert Gas Unit G-2-225225 | Greta, Deep (5500) | Hilcorp Energy Company | 1 | 0 | 7.05K | Dec 2006 – Jul 2026 |
| Lambert, M. F. O-2-4020 | Greta, Deep (5800) | Hilcorp Energy Company | 3 | 372 | 2.72K | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hilcorp Energy CompanyJun 2003 → Apr 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 708985-98 | Recompletion | Hilcorp Energy Company | Nov 2, 2011 | Feb 2, 2011 | — | 5,996 |
| 708985-99 | Recompletion | Hilcorp Energy Company | Jan 21, 2011 | Feb 2, 2011 | — | 5,996 |
| 631045-99 | Recompletion | Hilcorp Energy Company | Dec 22, 2006 | Jan 19, 2007 | Dec 6, 2006 | 5,996 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-225225 | — | — | — | — |
| — | — O-2-4020 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 66 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,507 | 5,514 | Perforated |
| — | 5,888 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,023 | — | 600 S |
| 7 | 5,914 | 9.875 | 300 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 | Jun 13, 2007 | Feb 9, 2007 | Yes |
| 00 | Mar 13, 2007 | — | — |
| 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 42-391-01191 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01191 → 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.
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/39101191, documented in the API reference.