WELL · 42-121-31527 · DISTRICT 9

Cox #3

Y

Denton County · Newark East (Barnett Shale) field · Producing  · Vertical

Cox #3 (API 42-121-31527) is a well in Denton County operated by Bkv Barnett LLC, completed January 16, 2026 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 2, 2002, permitted to 8,700 ft.

It was permitted by Dallas Production, Inc. and has since transferred to Bkv Barnett LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Cordell, Marble Falls, Barnett, Viola.

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

Operator of record

BKV Barnett LLC

Permitted by Dallas Production, Inc.; the EWA schedule now lists a different operator.

Fort Worth, TX · P-5 Y, filed Jan 4, 2026 · 143 permits on file · (833) 425-8677

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBKV Barnett LLC
Production reportsBKV Barnett, LLCthrough Feb 2026
Latest permitDallas Production, Inc.May 2, 2002

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

8,700
total depth, ft
1
permits on file
May 2, 2002
last permit issued
Jan 16, 2026
completed
0
cumulative oil, bbl
772K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2002 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 16, 2026
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
Cox G-13-191215Newark, East (Barnett Shale)BKV Barnett, LLC10772KMay 2002 – Jul 2026

Gas, mcf lease total

Last 12 months 12,621 · prior 12 18,206(-31%)

01K2K202420252026

Chain of custody

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

  1. 1Dallas Production, Inc.Aug 2002 → Aug 2002
  2. 2Burlington Resources O & G Co LPSep 2002 → Oct 2002
  3. 3Devon Energy Operating Co., L.P.Nov 2002 → Jul 2004
  4. 4Devon Energy Production Co, L.P.Aug 2004 → Sep 2020
  5. 5BKV Barnett, LLCOct 2020 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
519614-99DrillDallas Production, Inc.May 2, 2002May 2, 2002May 14, 20028,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-191215————

Formation tops

As filed on W-2/G-1. Subsea from 768 ft elevation.Download CSV →

FormationMD ftSubsea
Cordell5,678-4,910
Marble Falls7,411-6,643
Marble Falls7,413-6,645
BarnettBARNETT SHALE7,744-6,976
Viola8,462-7,694

Perforations

Perforated and open-hole intervals.

FromToType
7,7467,816Perforated
7,7468,434Perforated
8,0648,434Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,09812.25540 S
5.58,5337.875300 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
00Feb 20, 2026Feb 10, 2026—
00Oct 21, 2008Feb 4, 2008—
00Dec 30, 2002Sep 20, 2002Yes
00Nov 7, 2002——

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/12131527, documented in the API reference.