WELL · 42-479-38208 · DISTRICT 4
Russell - Winch #20
Webb County · Vaquillas Ranch (Lobo Cons.) field · Producing · Directional
Russell - Winch #20 (API 42-479-38208) is a well in Webb County operated by Arete Operating Company LLC, completed February 26, 2003 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 17, 2002, permitted to 10,300 ft.
It was permitted by North Central Oil Corp. and has since transferred to Arete Operating Company LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Lobo Unconformity, Lobo 3, Lobo 6, Note: No Log Above 8,277'.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by North Central Oil Corp.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed May 4, 2026 · 10 permits on file · (210) 325-9383
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Arete Operating Company LLC |
| Production reports | Arete Operating Company, LLCthrough Apr 2026 |
| Latest permit | North Central Oil Corp.Sep 17, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,300
- total depth, ft
- 2
- permits on file
- Sep 17, 2002
- last permit issued
- Feb 26, 2003
- completed
- 0
- cumulative oil, bbl
- 1.21M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 26, 2003
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Russell - Winch G-4-193163 | Vaquillas Ranch (Lobo Cons.) | Arete Operating Company, LLC | 1 | 0 | 1.21M | Jan 2003 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,360 · prior 12 188(+623%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1North Central Oil Corp.Jan 2003 → Dec 2005
- 2Pogo Producing CompanyJan 2006 → Mar 2007
- 3White Oak Operating Company LLCApr 2007 → Sep 2019
- 4Chroma Operating, Inc.May 2008 → Nov 2014
- 5Arete Operating Company, LLCApr 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 523466-98 | Drill | North Central Oil Corp. | Oct 4, 2002 | Sep 17, 2002 | Nov 18, 2002 | 10,300 |
| 523466-99 | Drill | North Central Oil Corp. | Sep 6, 2002 | Sep 17, 2002 | — | 10,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-193163 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 505 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo Unconformity | 8,742 | -8,237 |
| Lobo 3 | 9,129 | -8,624 |
| Lobo 6 | 9,635 | -9,130 |
| Note: NO Log Above 8,277' | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,768 | 8,778 | Perforated |
| 8,924 | 8,934 | Perforated |
| 9,638 | 9,648 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 514 | 12.25 | 230 S |
| 7 | 8,265 | 8.75 | 410 S |
| 4.5 | 9,970 | 6.25 | 230 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 | Apr 24, 2003 | Mar 3, 2003 | — |
| 00 | Apr 9, 2003 | Feb 6, 2003 | Yes |
| 00 | Mar 12, 2003 | — | — |
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 42-479-38208 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-38208 → 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/47938208, documented in the API reference.