WELL · 42-131-39075 · DISTRICT 4

Duval County Ranch Company 4 #204

Y

Duval County · Petrox (Lower Wilcox Cons.) field · Producing  · Vertical

Duval County Ranch Company 4 #204 (API 42-131-39075) is a well in Duval County operated by Remora Operating LLC, completed September 30, 2008 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 24, 2008, permitted to 12,000 ft.

It was permitted by Chesapeake Operating, Inc. and has since transferred to Remora Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Queen City, Basal House, Wilcox.

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

Operator of record

Remora Operating LLC

Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Mar 4, 2026 · 2 permits on file · (832) 986-8559

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRemora Operating LLC
Production reportsRemora Operating, LLCthrough Apr 2026
Latest permitChesapeake Operating, Inc.Mar 24, 2008

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

12,000
total depth, ft
2
permits on file
Mar 24, 2008
last permit issued
Sep 30, 2008
completed
0
cumulative oil, bbl
1.04M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 30, 2008
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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
Duval County Ranch Company 4 G-4-241710Petrox (Lower Wilcox Cons.)Remora Operating, LLC101.04MJun 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 11,094 · prior 12 4,258(+161%)

01K2K3K202420252026

Chain of custody

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

  1. 1Chesapeake Operating, Inc.Jun 2008 → Aug 2014
  2. 2Hilcorp Energy CompanySep 2014 → Dec 2017
  3. 3Remora Operating, LLCJan 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
657059-98DrillChesapeake Operating, Inc.Mar 25, 2008Mar 24, 2008May 11, 200812,000
657059-99DrillChesapeake Operating, Inc.Mar 10, 2008Mar 24, 2008—12,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-241710————

Formation tops

As filed on W-2/G-1. Subsea from 450 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City5,490-5,040
Basal House9,420-8,970
Wilcox9,780-9,330

Perforations

Perforated and open-hole intervals.

FromToType
9,45410,060Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,87212.25632 S
78,4068.75126 S
4.510,2296.25201 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
00Dec 22, 2008Oct 16, 2008—
00Nov 17, 2008Aug 7, 2008Yes
00Nov 4, 2008——

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/13139075, documented in the API reference.