TEXAS · WELLS · DENTON COUNTY · DUNN, CLARA UNIT LEASE · API 42-121-30635 · DISTRICT 7C
Dunn Clara Unit #4
Denton County · Newark East (Barnett Shale) field · Vertical
Dunn Clara Unit #4 (API 42-121-30635) is a plugged well in Denton County, plugged November 17, 2011, last operated by J-W Operating CO..
The RRC has issued one drilling permit, issued June 5, 1996, permitted to 8,300 ft.
It was permitted by Enre Corp. and has since transferred to J-W Operating CO. on the wellbore schedule.
Completion filings report 4 formation tops, including Caddo, Bend, Marble Falls, Barnett.
Operator of record
Permitted by Enre Corp.; the EWA schedule now lists a different operator.
- Based in
- Addison, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Jul 30, 2019
- Permits on file
- 350
- Phone
- (972) 233-8191
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | J-W Operating Co. |
| Production reports | J-W Operating Co.through Jul 2011 |
| Latest permit | Enre Corp.Jun 5, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,300
- total depth, ft
- 1
- permits on file
- Jun 5, 1996
- last permit issued
- Sep 25, 1996
- completed
- 0
- cumulative oil, bbl
- 415K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1996 THROUGH Nov 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 25, 1996
- Shut in
- —
- Plugged
- Nov 17, 2011
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 |
|---|---|---|---|---|---|---|
| Dunn, Clara Unit G-13-160627 | Newark, East (Barnett Shale) | J-W Operating Co. | 1 | 0 | 415K | Sep 1996 – Nov 2011 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enre Corp.Oct 1996 → Jan 2001
- 2Enre, L.P.Feb 2001 → Feb 2004
- 3J-W Operating Co.Mar 2004 → Jul 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 448534-99 | Drill | Enre Corp. | May 24, 1996 | Jun 5, 1996 | Jul 25, 1996 | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 25, 1996 | Dunn Clara Unit G-13-160627 | Newark East (Barnett Shale) | J-W Operating Co. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 715 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CaddoCADDO LIME | 4,150 | -3,435 |
| CaddoCADDO CONGLOMERATE | 4,594 | -3,879 |
| BendBEND CONGLOMERATE | 6,096 | -5,381 |
| Marble Falls | 7,075 | -6,360 |
| BarnettBARNETT SHALE | 7,668 | -6,953 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,730 | 7,938 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 995 | 12.25 | 500 S |
| 4.5 | 8,018 | 7.875 | 655 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 13, 1996 | Nov 12, 1996 | Yes |
| 00 | Dec 2, 1996 | — | — |
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 42-121-30635 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-121-30635 → 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/12130635, documented in the API reference.