TEXAS · WELLS · TARRANT COUNTY · ALLIANCE-COZART LEASE · API 42-439-31085 · DISTRICT 7C
Alliance-Cozart #1
Tarrant County · Newark East (Barnett Shale) field · Producing · Horizontal
Alliance-Cozart #1 (API 42-439-31085) is a horizontal well in Tarrant County operated by Eagleridge Operating LLC, completed March 19, 2005 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 13, 2004, permitted to 7,319 ft.
It was permitted by Chief Oil & Gas LLC and has since transferred to Eagleridge Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Marble Falls, Barnett, Viola.
Its lease has reported 1 barrels of oil and 3.39M mcf of gas since March 2005, last reporting volume in August 2026.
Operator of record
Permitted by Chief Oil & Gas LLC; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 129
- Phone
- (214) 295-6704
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Eagleridge Operating LLC |
| Production reports | Eagleridge Operating, LLCthrough Aug 2026 |
| Latest permit | Chief Oil & Gas LLCDec 13, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,319
- total depth, ft
- 1
- permits on file
- Dec 13, 2004
- last permit issued
- Mar 19, 2005
- completed
- 1
- cumulative oil, bbl
- 3.39M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · MAR 2005 THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 19, 2005
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| Alliance-Cozart G-13-208104 | Newark, East (Barnett Shale) | Eagleridge Operating, LLC | 1 | 1 | 3.39M | Mar 2005 – Aug 2026 |
Gas, mcf lease total
Last 12 months 14,463 · prior 12 41,820(-65%)
Wells named Alliance-Cozart
Eagleridge Operating LLC's other wells filed under this lease name in Tarrant County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Chief Oil & Gas LLC *Mar 2005 → Apr 2006
- 2Chief Operating LLCMay 2006 → May 2007
- 3Chief Oil & Gas LLCNov 2007 → Feb 2008
- 4Quicksilver Resources Inc.Aug 2008 → Mar 2016
- 5Barnett Shale Operating LLCFeb 2012 → Apr 2012
- 6Bluestone Natural Res. II, LLCApr 2016 → Dec 2019
- 7Blackbeard Operating, LLCJan 2020 → Jun 2021
- 8Diversified Production LLCJul 2021 → May 2026
- 9Eagleridge Operating, LLCJul 2026 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 554743-99 | Drill | Chief Oil & Gas LLC | Dec 13, 2004 | Dec 13, 2004 | — | 8,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 19, 2005 | Alliance-Cozart G-13-208104 | Newark East (Barnett Shale) | Eagleridge Operating LLC | Producing | 7,319 |
Formation tops
As filed on W-2/G-1. Subsea from 717 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 6,860 | -6,143 |
| BarnettBARNETT SHALE | 7,181 | -6,464 |
| Viola | 7,537 | -6,820 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,775 | 10,506 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,212 | 12.25 | 600 S |
| 5.5 | 10,655 | 7.875 | 820 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 30, 2007 | Apr 2, 2007 | — |
| 00 | Jan 18, 2006 | Sep 21, 2005 | — |
| 00 | Sep 6, 2005 | Apr 7, 2005 | Yes |
| 00 | May 9, 2005 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-439-31085 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-31085 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/43931085, documented in the API reference.