WELL · 42-391-31298 · DISTRICT 2
Lambert M. F. #112
Refugio County · Greta (4400) field · Vertical
Lambert M. F. #112 (API 42-391-31298) is a well in Refugio County operated by Hilcorp Energy Company, completed December 15, 1978.
The RRC has issued one drilling permit, issued November 27, 1978, permitted to 4,750 ft.
It was permitted by Hewit & Dougherty and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including 4150 Sand, Greta, 4400 Sand.
Its 2 leases have reported 636K barrels of oil and 610K mcf of gas since January 1993, last reporting in July 2026. The leases carry 26 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hewit & Dougherty; the EWA schedule now lists a different operator.
- 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 | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hewit & DoughertyNov 27, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,750
- total depth, ft
- 1
- permits on file
- Nov 27, 1978
- last permit issued
- Dec 15, 1978
- completed
- 636K
- cumulative oil, bbl
- 610K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 15, 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 26 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lambert, M. F. O-2-4001 | Greta (4400) | Hilcorp Energy Company | 12 | 139K | 211K | Jan 1993 – Jul 2026 |
| Lambert, M. F. O-2-3976 | Greta (4400) | Hilcorp Energy Company | 14 | 497K | 399K | Jan 1993 – Sep 2021 |
Oil, barrels lease total
Last 12 months 20,824 · prior 12 27,196(-23%)
Gas, mcf lease total
Last 12 months 168 · prior 12 2,123(-92%)
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 2001
- 5Hilcorp Energy CompanyAug 2001 → Apr 2026
- 6Kovar Operating, LLCJun 2015 → Apr 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 37552-99 | Drill | Hewit & Dougherty | Nov 27, 1978 | Nov 27, 1978 | Dec 4, 1978 | 4,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-3976 | — | — | — | — |
| — | — O-2-3976 | — | — | — | — |
| — | — O-2-4001 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 69 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 4150 Sand | 4,122 | -4,053 |
| Greta | 4,361 | -4,292 |
| 4400 Sand | 4,506 | -4,437 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,362 | 4,366 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,320 | 13.75 | 600 S |
| 2.375 | 4,293 | — | — |
| 5.5 | 4,760 | 8.75 | 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 | Aug 5, 2021 | Jan 17, 1979 | — |
| 00 | May 28, 2021 | May 12, 2021 | — |
| 00 | May 28, 2021 | Jan 17, 1979 | — |
| 00 | Jan 12, 1984 | Jan 17, 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.
- Wellbore filings for 42-391-31298 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31298 → 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/39131298, documented in the API reference.