WELL · 42-131-38447 · DISTRICT 4

Cocke William C. #4

Y

Duval County · Seven Sisters E. (Loma Novia) field · Producing  · Vertical

Cocke William C. #4 (API 42-131-38447) is a well in Duval County operated by Remora Operating LLC, completed December 21, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 5, 2000, permitted to 3,100 ft.

It was permitted by Hilcorp Energy Company and has since transferred to Remora Operating LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Hockley, Jackson, Gov'T Wells, Loma Novia A.

Its lease has reported 268K barrels of oil and 111K mcf of gas since October 2000, last reporting in July 2026.

Operator of record

Remora Operating LLC

Permitted by Hilcorp Energy Company; 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 Jan 2026
Latest permitHilcorp Energy CompanySep 5, 2000

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

3,100
total depth, ft
1
permits on file
Sep 5, 2000
last permit issued
Dec 21, 2012
completed
268K
cumulative oil, bbl
111K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2000 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 21, 2012
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
Cocke, William C. O-4-12988Seven Sisters, E. (Loma Novia)Remora Operating, LLC1268K111KOct 2000 – Jul 2026

Oil, barrels lease total

Last 12 months 14 · prior 12 516(-97%)

0100200202420252026

Chain of custody

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

  1. 1Hilcorp Energy CompanyOct 2000 → Nov 2017
  2. 2Remora Operating, LLCApr 2018 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
499691-99DrillHilcorp Energy CompanySep 15, 2000Sep 5, 2000Oct 13, 20003,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-4-12988————

Formation tops

As filed on W-2/G-1. Subsea from 10 ft elevation.Download CSV →

FormationMD ftSubsea
Hockley2,035-2,025
Jackson2,415-2,405
Gov't Wells2,648-2,638
Loma Novia A2,775-2,765
Loma Novia 22,830-2,820
Mirando2,912-2,902

Perforations

Perforated and open-hole intervals.

FromToType
2,7742,785Perforated
2,7882,808Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62530112.25200 S
4.53,0797.875635 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 4, 2013Jan 16, 2013—
00Feb 9, 2007May 19, 2006—
00Apr 6, 2001Nov 9, 2000Yes
00Feb 28, 2001——

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/13138447, documented in the API reference.