WELL · 42-391-31264 · DISTRICT 2
Lambert M.F. #111
Refugio County · Tom Oconnor (4500 Greta Mass.) field · Vertical
Lambert M.F. #111 (API 42-391-31264) is a well in Refugio County operated by Hewit & Dougherty, completed August 11, 1978.
The RRC has issued 3 drilling permits between 1978 and 1982, permitted to 4,600 ft.
Completion filings report 2 formation tops, including 4500 Greta Massive, 4150 Sand.
Its 2 leases have reported 313K barrels of oil and 471K mcf of gas since January 1993, last reporting in July 2026. The leases carry 24 wells, so these are lease totals, not this well alone.
Operator of record
Refugio, TX · P-5 Y, filed Mar 15, 1990 · 73 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hewit & Dougherty |
| Production reports | Kovar Operating, LLCthrough Jul 2019 |
| Latest permit | Hewit & DoughertyMar 12, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,600
- total depth, ft
- 3
- permits on file
- Mar 12, 1982
- last permit issued
- Aug 11, 1978
- completed
- 313K
- cumulative oil, bbl
- 471K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 11, 1978
- 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 24 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lambert, M.F. O-2-6088 | Tom O'Connor (4150) | Hilcorp Energy Company | 14 | 120K | 314K | Jan 1993 – Jul 2026 |
| Lambert , M. F. O-2-6256 | Tom O'Connor (4150) | Hilcorp Energy Company | 10 | 193K | 157K | Jan 1993 – Aug 2021 |
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.
- 1H & D Operating CompanyJan 1993 → May 2015
- 2Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999
- 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 4Devon Energy Production Co, L.P.Apr 2000 → Jul 2002
- 5Hilcorp Energy CompanyAug 2002 → Aug 2018
- 6Kovar Operating, LLCJun 2015 → Jul 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 153215-99 | Recompletion | Hewit & Dougherty | Mar 12, 1982 | Mar 12, 1982 | — | 4,600 |
| 49991-99 | Recompletion | Hewit & Dougherty | Jun 4, 1979 | Jun 4, 1979 | — | 4,600 |
| 26364-99 | Drill | Hewit & Dougherty | Jun 13, 1978 | Jun 13, 1978 | Jul 19, 1978 | 4,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-6088 | — | — | — | — |
| — | — O-2-6256 | — | — | — | — |
| — | — O-2-6256 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 66 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 4500 Greta Massive | 4,410 | -4,344 |
| 4150 Sand | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,128 | 4,132 | Perforated |
| 4,388 | 4,397 | Perforated |
| 4,409 | 4,412 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,257 | 13.75 | 525 S |
| 2.375 | 4,035 | — | — |
| 2.375 | 4,301 | — | — |
| 2.875 | 4,357 | — | — |
| 5.5 | 4,599 | 8.75 | 600 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 | Aug 2, 2021 | May 13, 2021 | — |
| 00 | Jun 22, 2021 | May 13, 2021 | — |
| 00 | Jan 12, 1984 | Apr 12, 1982 | — |
| 00 | Jan 12, 1984 | Jun 20, 1979 | — |
| 00 | Jan 12, 1984 | Aug 28, 1978 | — |
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 42-391-31264 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31264 → 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/39131264, documented in the API reference.