WELL · 42-479-32670 · DISTRICT 4
L. Winch State #4
Webb County · Vertical
L. Winch State #4 (API 42-479-32670) is a permitted well in Webb County filed by White Oak Operating Company LLC; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1980 and 2007, permitted to 10,270 ft.
Completion filings report 3 formation tops, including Queen City, Wilcox, Top Of Lobo.
Operator of record
White Oak Operating Company LLC
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Apr 17, 2023
- Permits on file
- 101
- Phone
- (832) 529-1999
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | White Oak Operating Company LLCthrough Jan 2015 |
| Latest permit | White Oak Operating Company LLCDec 21, 2007 |
- 10,270
- total depth, ft
- 4
- permits on file
- Dec 21, 2007
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 836K
- 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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| L. Winch State G-4-100947 | Vaquillas Ranch (Lobo Cons.) | Arete Operating Company, LLC | 1 | 0 | 836K | 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.
- 1Conoco Inc.Jan 1993 → Oct 1998
- 2North Central Oil Corp.Nov 1998 → Dec 2005
- 3Pogo Producing CompanyJan 2006 → Mar 2007
- 4White Oak Operating Company LLCApr 2007 → Jan 2015
- 5Chroma Operating, Inc.May 2008 → Nov 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 649922-99 | Recompletion | White Oak Operating Company LLC | Nov 19, 2007 | Dec 21, 2007 | — | 10,000 |
| 167285-99 | Recompletion | Forest Oil Corp. | Jul 27, 1982 | Jul 27, 1982 | — | 10,270 |
| 116494-99 | Recompletion | Forest Oil Corp. | Apr 30, 1981 | Apr 30, 1981 | — | 9,800 |
| 76809-99 | Drill | Forest Oil Corp. | Apr 1, 1980 | Apr 1, 1980 | — | 10,270 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-100947 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 550 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,400 | -2,850 |
| WilcoxTOP OF WILCOX | 4,600 | -4,050 |
| WilcoxTOP OF MIDDLE WILCOX | 7,500 | -6,950 |
| Top of Lobo | 8,700 | -8,150 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,818 | 8,856 | Perforated |
| 9,258 | 9,328 | Perforated |
| 9,892 | 9,915 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 726 | 14.75 | 590 S |
| 7.625 | 8,173 | 9.875 | 837 S |
| 2.875 | 8,598 | — | — |
| 2.5 | 8,620 | — | — |
| 5 | 10,260 | 6.75 | 365 S |
| 4.5 | 10,260 | — | — |
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 | Mar 28, 1984 | Jan 12, 1984 | — |
| 00 | Jan 12, 1984 | Jan 12, 1984 | — |
| 00 | Jan 12, 1984 | Jul 13, 1981 | — |
| 00 | Jan 12, 1984 | Sep 11, 1980 | — |
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 42-479-32670 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-32670 → 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/47932670, documented in the API reference.