WELL · 42-497-38121 · DISTRICT 9

Wcco 4 - Miller B 21 (AW) #21H

N

Wise County  · Horizontal

Wcco 4 - Miller B 21 (AW) #21H (API 42-497-38121) is a permitted horizontal well in Wise County filed by Bkv Barnett, LLC; no completion report is on file yet.

The RRC has issued 2 drilling permits (amended twice) between 2023 and 2025, permitted to 7,600 ft.

Completion filings report 10 formation tops, including Atoka, Brazos River, Bryson, Caddo.

Operator of record

BKV Barnett, LLC

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 schedulenone
Production reportsBKV Barnett, LLCthrough Mar 2026
Latest permitBKV Barnett, LLCDec 10, 2025
7,600
total depth, ft
4
permits on file
Dec 10, 2025
last permit issued
—
completed
0
cumulative oil, bbl
587K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

33.092890, -97.501811

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Wise County.

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
Wcco 4 - Miller B 21 (AW) G-13-300660Newark, East (Barnett Shale)BKV Barnett, LLC10587KAug 2025 – Jul 2026

Gas, mcf lease total

Last 12 months 587,063 · prior 12 0

050K100K150K202420252026

Chain of custody

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

  1. 1BKV Barnett, LLCSep 2025 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
912186-98DrillBKV Barnett, LLCDec 10, 2025Dec 10, 2025Aug 17, 20257,600
912186-99DrillBKV Barnett, LLCDec 10, 2025Dec 10, 2025Aug 17, 20257,286
887889-98DrillBKV Barnett, LLCJan 9, 2025Feb 10, 2023—7,286
887889-99DrillBKV Barnett, LLCFeb 2, 2023Feb 10, 2023—7,286

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-300660————

Formation tops

As filed on W-2/G-1. Subsea from 840 ft elevation.Download CSV →

FormationMD ftSubsea
AtokaATOKA CONGLOMERATE——
Brazos River——
BrysonBRYSON SAND——
Caddo——
Canyon——
Overcharged Disposal Zone - Alvo——
Overcharged Disposal Zone - Chic——
StrawnSTRAWN - 4300 IN BOONESVILLE BEN——
Undetermined - Gas Producing Zon——
Valera——

Perforations

Perforated and open-hole intervals.

FromToType
7,21518,736Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62590912.25399 S
5.518,8098.752,809 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
00Jan 5, 2026Oct 16, 2025Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Wcco 4 - Miller B 22 (AW)42-497-38122

0.0 KM · BKV Barnett, LLC · Section with this well →

Caddo4,247-3,407
Strawn—
Overcharged Disposal Zone - Chic—
Overcharged Disposal Zone - Alvo—
Canyon—
Undetermined - Gas Producing Zon—
Valera—
Bryson—

10 TOPS · FIRST 8

Wcco 4 - J. P. Fitch42-497-37967

3.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Barnett7,107-6,346
Atoka—
Valera—
Brazos River—
Bryson—
Caddo—
Canyon—
Overcharged Disposal Zone - Alvo—

11 TOPS · FIRST 8

Wcco 4 - J. P. Fitch42-497-37968

3.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Brazos River—
Atoka—
Bryson—
Caddo—
Canyon—
Overcharged Disposal Zone - Alvo—
Overcharged Disposal Zone - Chic—
Strawn—

10 TOPS · FIRST 8

Wcco 4 - J. P. Fitch (AW)42-497-37969

3.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Barnett7,099-6,338
Valera—
Brazos River—
Bryson—
Caddo—
Canyon—
Overcharged Disposal Zone - Alvo—
Overcharged Disposal Zone - Chic—

11 TOPS · FIRST 8

Wcco 4 - J. P. Fitch (AW)42-497-37970

3.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Valera—
Atoka—
Brazos River—
Bryson—
Caddo—
Canyon—
Overcharged Disposal Zone - Alvo—
Overcharged Disposal Zone - Chic—

10 TOPS · FIRST 8

Wcco 4 - J. P. Fitch (AW)42-497-37971

3.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Barnett7,130-6,369
Valera—
Undetermined - Gas Producing Zon—
Strawn—
Overcharged Disposal Zone - Chic—
Overcharged Disposal Zone - Alvo—
Canyon—
Caddo—

11 TOPS · FIRST 8

Wcco 4 - J. P. Fitch (AW)42-497-37972

3.0 KM · Devon Energy Production Co, L.P. · Section with this well →

Valera—
Atoka—
Brazos River—
Bryson—
Caddo—
Canyon—
Overcharged Disposal Zone - Alvo—
Overcharged Disposal Zone - Chic—

10 TOPS · FIRST 8

Wcco 4 - M L Patterson (AW)42-497-38072

3.6 KM · BKV Barnett, LLC · Section with this well →

Atoka—
Brazos River—
Bryson—
Caddo—
Canyon—
Overcharged Disposal Zone - Alvo—
Overcharged Disposal Zone - Chic—
Strawn—

10 TOPS · FIRST 8

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/49738121, documented in the API reference.