WELL · 42-391-01188 · DISTRICT 2
Lambert Gas Unit #83
Refugio County · Tom Oconnor (5250) field · Vertical
Lambert Gas Unit #83 (API 42-391-01188) is a well in Refugio County operated by Hilcorp Energy Company, completed January 5, 2007.
The RRC has issued 3 drilling permits (amended twice) between 2003 and 2007, permitted to 5,930 ft.
Completion filings report one formation top, including No Change.
Its 4 leases have reported 454K barrels of oil and 1.16M mcf of gas since January 1993, last reporting in July 2026. The leases carry 40 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 | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyMar 19, 2007 |
- 5,930
- total depth, ft
- 5
- permits on file
- Mar 19, 2007
- last permit issued
- Jan 5, 2007
- completed
- 454K
- cumulative oil, bbl
- 1.16M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 5, 2007
- 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 4 leases this well is completed on; they carry 40 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lambert, M. F. O-2-1549 | Tom Oconnor | Hilcorp Energy Company | 26 | 315K | 830K | Jan 1993 – Jul 2026 |
| Lambert, M. F. O-2-4001 | Greta (4400) | Hilcorp Energy Company | 12 | 139K | 211K | Jan 1993 – Jul 2026 |
| Lambert Gas Unit G-2-228241 | Tom Oconnor (5250) | Hilcorp Energy Company | 1 | 0 | 0 | Jan 2007 – Apr 2007 |
| Lambert, M. F. G-2-200191 | Greta, Deep (5600) | Hilcorp Energy Company | 1 | 0 | 115K | Sep 2003 – Jan 2007 |
Oil, barrels lease total
Last 12 months 22,154 · prior 12 27,196(-19%)
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.
- 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 2001 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 635023-99 | Recompletion | Hilcorp Energy Company | Mar 12, 2007 | Mar 19, 2007 | Mar 23, 2007 | 5,930 |
| 623864-98 | Recompletion | Hilcorp Energy Company | Jan 11, 2007 | Aug 11, 2006 | — | 5,930 |
| 623864-99 | Recompletion | Hilcorp Energy Company | Aug 4, 2006 | Aug 11, 2006 | Jan 3, 2007 | 5,930 |
| 535793-98 | Recompletion | Hilcorp Energy Company | Oct 13, 2003 | Sep 29, 2003 | Sep 17, 2003 | 5,930 |
| 535793-99 | Recompletion | Hilcorp Energy Company | Aug 26, 2003 | Sep 29, 2003 | — | 5,930 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-200191 | — | — | — | — |
| — | — G-2-228241 | — | — | — | — |
| — | — O-2-1549 | — | — | — | — |
| — | — O-2-4001 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 56 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,398 | 4,408 | Perforated |
| 5,339 | 5,343 | Perforated |
| 5,700 | 5,708 | Perforated |
| 5,904 | 5,914 | Perforated |
| 5,924 | 5,927 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,006 | — | 600 S |
| 7 | 5,926 | — | 500 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 | May 5, 2008 | Apr 20, 2007 | Yes |
| 00 | Apr 25, 2008 | — | — |
| 00 | Jul 27, 2007 | Jun 8, 2007 | Yes |
| 00 | Jul 23, 2007 | — | — |
| 00 | Apr 22, 2004 | Dec 9, 2003 | Yes |
| 00 | Apr 5, 2004 | — | — |
| 00 | Jul 22, 1996 | Jun 18, 1996 | — |
| 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 42-391-01188 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01188 → 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/39101188, documented in the API reference.