WELL · 42-121-31031 · DISTRICT 9
Blair #1
Denton County · Newark East (Barnett Shale) field · Vertical
Blair #1 (API 42-121-31031) is a plugged well in Denton County, plugged February 3, 2015, last operated by J-W Operating CO..
The RRC has issued one drilling permit, issued June 5, 2001, permitted to 8,600 ft.
It was permitted by Enre, L.P. and has since transferred to J-W Operating CO. on the wellbore schedule.
Completion filings report 4 formation tops, including Caddo, Marble Falls, Barnett, Viola.
Operator of record
Permitted by Enre, L.P.; 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 Feb 2014 |
| Latest permit | Enre, L.P.Jun 5, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,600
- total depth, ft
- 1
- permits on file
- Jun 5, 2001
- last permit issued
- Aug 9, 2001
- completed
- 0
- cumulative oil, bbl
- 800K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2001 THROUGH Feb 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 9, 2001
- Shut in
- —
- Plugged
- Feb 3, 2015
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 |
|---|---|---|---|---|---|---|
| Blair G-13-186489 | Newark, East (Barnett Shale) | J-W Operating Co. | 1 | 0 | 800K | Aug 2001 – Feb 2015 |
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, L.P.Aug 2001 → Feb 2004
- 2J-W Operating Co.Mar 2004 → Feb 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 509657-99 | Drill | Enre, L.P. | May 31, 2001 | Jun 5, 2001 | Jun 18, 2001 | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-186489 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 655 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CaddoCADDO LIME | 4,076 | -3,421 |
| Marble FallsMARBLE FALLS LIME | 7,130 | -6,475 |
| BarnettUPPER BARNETT SHALE | 7,486 | -6,831 |
| BarnettLOWER BARNETT SHALE | 7,720 | -7,065 |
| ViolaVIOLA LIME | 8,084 | -7,429 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,492 | 7,924 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,238 | 12.25 | 490 S |
| 5.5 | 8,149 | 7.875 | 320 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 | Feb 26, 2002 | Oct 25, 2001 | Yes |
| 00 | Jan 17, 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.
- Wellbore filings for 42-121-31031 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-121-31031 → 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/12131031, documented in the API reference.