WELL · 42-497-34893 · DISTRICT 9
Wcco 4 #12J
Wise County · Newark East (Barnett Shale) field · Producing · Vertical
Wcco 4 #12J (API 42-497-34893) is a well in Wise County operated by Bkv Barnett LLC, completed December 17, 2002 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 26, 2002, permitted to 7,800 ft.
It was permitted by Mitchell Energy Company L.P. and has since transferred to Bkv Barnett LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Parks Reef, Caddo, Daly Lime, Marble Falls.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Mitchell Energy Company L.P.; 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 schedule | BKV Barnett LLC |
| Production reports | BKV Barnett, LLCthrough Apr 2026 |
| Latest permit | Mitchell Energy Company L.P.Feb 26, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,800
- total depth, ft
- 1
- permits on file
- Feb 26, 2002
- last permit issued
- Dec 17, 2002
- completed
- 0
- cumulative oil, bbl
- 252K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 17, 2002
- 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wcco 4 G-13-194994 | Newark, East (Barnett Shale) | BKV Barnett, LLC | 1 | 0 | 252K | Dec 2002 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,359 · prior 12 2,365(0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Operating Co., L.P.Jan 2003 → Jul 2004
- 2Devon Energy Production Co, L.P.Aug 2004 → Nov 2013
- 3BKV Barnett, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 517903-99 | Drill | Mitchell Energy Company L.P. | Feb 26, 2002 | Feb 26, 2002 | Nov 13, 2002 | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-194994 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 833 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Parks Reef | 3,675 | -2,842 |
| CaddoCADDO LIME | 4,188 | -3,355 |
| Daly Lime | 4,304 | -3,471 |
| Marble Falls | 6,617 | -5,784 |
| Marble Falls | 6,817 | -5,984 |
| BarnettBARNETT SHALE | 6,877 | -6,044 |
| BarnettBARNETT SHALE | 6,986 | -6,153 |
| Ordovician | 7,466 | -6,633 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,992 | 7,048 | Perforated |
| 7,048 | 7,428 | Perforated |
| 7,208 | 7,428 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 837 | 12.25 | 480 S |
| 5.5 | 7,575 | 7.875 | 880 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 4, 2025 | Nov 26, 2025 | — |
| 00 | Aug 29, 2005 | Jun 22, 2005 | — |
| 00 | Jul 24, 2003 | Apr 8, 2003 | Yes |
| 00 | Jun 25, 2003 | — | — |
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.
- Wellbore filings for 42-497-34893 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-497-34893 → scanned completion filings
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/49734893, documented in the API reference.