WELL · 42-391-32652 · DISTRICT 2

Duke Ranch F #1

N

Refugio County · Tejas (Frio 4450) field  · Vertical

Duke Ranch F #1 (API 42-391-32652) is a well in Refugio County operated by T-C Oil Company LLC, completed June 3, 2008.

The RRC has issued 4 drilling permits (amended once) between 2005 and 2011, permitted to 6,000 ft.

It was permitted by T - C Oil Company and has since transferred to T-C Oil Company LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Lagarto, Miocene (undifferentiated), Catahoula, Greta.

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

Operator of record

T-C Oil Company LLC

Permitted by T - C Oil Company; the EWA schedule now lists a different operator.

Refugio, TX · P-5 Y, filed Oct 4, 2025 · 287 permits on file · (361) 646-9296

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleT-C Oil Company LLC
Production reportsT-C Oil Company, LLCthrough Oct 2025
Latest permitT - C Oil CompanyJun 23, 2011

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

6,000
total depth, ft
5
permits on file
Jun 23, 2011
last permit issued
Jun 3, 2008
completed
0
cumulative oil, bbl
2.05M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 3, 2008
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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Duke Ranch -F- G-2-212605Tejas (Frio 4800)T-C Oil Company, LLC101.55MJul 2005 – Jul 2026
Duke Ranch "F" G-2-261263Tejas (Stray Sand)T-C Oil Company, LLC10358KJun 2011 – Jul 2026
Duke Ranch "F" G-2-237281Tejas (Frio 4450)T-C Oil Company, LLC10106KJun 2008 – Jul 2012
Duke Ranch "F" G-2-258537Sarco Creek (3630)T - C Oil Company1027KOct 2010 – Jun 2011

Gas, mcf lease total

Last 12 months 25,931 · prior 12 30,060(-14%)

05K10K15K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1T - C Oil CompanyJul 2005 → Dec 2011
  2. 2T-C Oil Company, LLCJan 2012 → Oct 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
718804-99RecompletionT - C Oil CompanyJun 21, 2011Jun 23, 2011Jun 13, 20111,451
704608-99RecompletionT - C Oil CompanyNov 1, 2010Nov 3, 2010Oct 18, 20104,307
663644-99RecompletionT - C Oil CompanyJun 4, 2008Jun 21, 2008May 29, 20084,800
556861-98DrillT - C Oil CompanyJul 20, 2005Jan 27, 2005Apr 11, 20056,000
556861-99DrillT - C Oil CompanyJan 27, 2005Jan 27, 2005Apr 11, 20056,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-212605————
—— G-2-237281————
—— G-2-258537————
—— G-2-261263————

Formation tops

As filed on W-2/G-1. Subsea from 96 ft elevation.Download CSV →

FormationMD ftSubsea
Lagarto195
Miocene (undifferentiated)MIOCENE2,090-1,994
Catahoula3,400-3,304
Greta4,125-4,029

Perforations

Perforated and open-hole intervals.

FromToType
1,3251,327Perforated
1,3281,338Perforated
3,4463,449Perforated
4,4324,441Perforated
4,7604,771Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62571512.25373 S
4.55,7127.8751,640 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
00Nov 8, 2011Jul 8, 2011Yes
00Feb 17, 2011Nov 4, 2010Yes
00Jan 13, 2011——
00Aug 28, 2008Jul 9, 2008Yes
00Aug 1, 2008——
00Feb 27, 2006Jul 27, 2005Yes
00Dec 12, 2005——

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/39132652, documented in the API reference.