WELL · 42-439-30938 · DISTRICT 9

Chang Unit #1

Y

Tarrant County · Newark East (Barnett Shale) field · Producing  · Horizontal

Chang Unit #1 (API 42-439-30938) is a horizontal well in Tarrant County operated by Bkv North Texas LLC, completed July 19, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 14, 2004, permitted to 7,500 ft.

It was permitted by Antero Resources I, LP and has since transferred to Bkv North Texas LLC on the wellbore schedule.

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

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

Operator of record

BKV North Texas LLC

Permitted by Antero Resources I, LP; the EWA schedule now lists a different operator.

Fort Worth, TX · P-5 Y, filed Mar 4, 2026 · 22 permits on file · (835) 425-8677

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBKV North Texas LLC
Production reportsBKV North Texas, LLCthrough Apr 2026
Latest permitAntero Resources I, LPJul 14, 2004

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

7,500
total depth, ft
1
permits on file
Jul 14, 2004
last permit issued
Jul 19, 2025
completed
0
cumulative oil, bbl
1.54M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2004 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 19, 2025
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
Chang Unit G-13-204650Newark, East (Barnett Shale)BKV North Texas, LLC101.54MOct 2004 – Jul 2026

Gas, mcf lease total

Last 12 months 255,607 · prior 12 0

020K40K60K202420252026

Chain of custody

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

  1. 1Antero Resources I, LPOct 2004 → Jun 2005
  2. 2XTO Energy Inc.Jul 2005 → May 2022
  3. 3BKV North Texas, LLCJun 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
548137-99DrillAntero Resources I, LPJul 12, 2004Jul 14, 2004—7,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-204650————

Formation tops

As filed on W-2/G-1. Subsea from 735 ft elevation.Download CSV →

FormationMD ftSubsea
Caddo2,357-1,622
Marble Falls6,788-6,053
Marble Falls6,827-6,092
BarnettBARNETT SHALE7,102-6,367
BarnettUPPER BARNETT SHALE7,133-6,398
BarnettLOWER BARNETT SHALE7,193-6,458
Viola7,507-6,772

Perforations

Perforated and open-hole intervals.

FromToType
7,1639,672Perforated
8,1269,672Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,27012.25550 S
5.59,9897.875425 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 3, 2025Jul 28, 2025—
00May 2, 2005Nov 17, 2004Yes
00Dec 14, 2004——

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/43930938, documented in the API reference.