WELL · 42-479-38205 · DISTRICT 4

Winch L.-State #18

Y

Webb County · Vaquillas Ranch (Lobo Cons.) field · Temp Abandoned  · Vertical

Winch L.-State #18 (API 42-479-38205) is a well in Webb County operated by Arete Operating Company LLC, completed November 26, 2002 and listed as temp abandoned on the RRC schedule.

The RRC has issued one drilling permit, issued September 5, 2002, permitted to 10,500 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 3 formation tops, including Lobo 2, Lobo 6, No Log Above 8277.

No lease production has been reported under this well’s leases.

Operator of record

Arete Operating Company LLC

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 scheduleArete Operating Company LLC
Production reportsWhite Oak Operating Company LLCthrough Dec 2014
Latest permitNorth Central Oil Corp.Sep 5, 2002

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,500
total depth, ft
1
permits on file
Sep 5, 2002
last permit issued
Nov 26, 2002
completed
0
cumulative oil, bbl
856K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2002 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 26, 2002
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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Winch, L.-State G-4-192926Vaquillas Ranch (Lobo Cons.)Arete Operating Company, LLC10856KNov 2002 – 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.

  1. 1North Central Oil Corp.Nov 2002 → Dec 2005
  2. 2Pogo Producing CompanyJan 2006 → Mar 2007
  3. 3White Oak Operating Company LLCApr 2007 → Dec 2014
  4. 4Chroma Operating, Inc.May 2008 → Jul 2013

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
523411-99DrillNorth Central Oil Corp.Sep 5, 2002Sep 5, 2002Oct 24, 200210,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-192926————

Formation tops

As filed on W-2/G-1. Subsea from 552 ft elevation.Download CSV →

FormationMD ftSubsea
Lobo 28,690-8,138
Lobo 69,544-8,992
NO Log Above 8277——

Perforations

Perforated and open-hole intervals.

FromToType
8,8948,914Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62552912.25280 S
77,2798.75370 S
4.510,0446.25290 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Mar 25, 2003Dec 3, 2002Yes
00Mar 4, 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.

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/47938205, documented in the API reference.