TEXAS · WELLS · DENTON COUNTY · CHAMBERLAIN-ELDER UNIT LEASE · API 42-121-32411 · DISTRICT 7C

Chamberlain-Elder Unit #1

On schedule

Denton County · Newark East (Barnett Shale) field · Producing  · Vertical

Chamberlain-Elder Unit #1 (API 42-121-32411) is a well in Denton County operated by Eagleridge Operating LLC, completed January 5, 2005 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 2, 2004, permitted to 8,945 ft.

It was permitted by Joint Resources Company and has since transferred to Eagleridge Operating LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Marble Falls, Barnett.

Its lease has reported 796K mcf of gas since December 2004, last reporting volume in August 2026.

Operator of record

Eagleridge Operating LLC

Permitted by Joint Resources Company; 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 scheduleEagleridge Operating LLC
Production reportsEagleridge Operating, LLCthrough Aug 2026
Latest permitJoint Resources CompanySep 2, 2004

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

8,945
total depth, ft
1
permits on file
Sep 2, 2004
last permit issued
Jan 5, 2005
completed
0
cumulative oil, bbl
796K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · JAN 2005 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 5, 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.

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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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Chamberlain-Elder Unit G-13-206947Newark, East (Barnett Shale)Eagleridge Operating, LLC10796KDec 2004 – Aug 2026

Gas, mcf lease total

Last 12 months 2,956 · prior 12 10,474(-72%)

05001K1.5K202420252026

Wells named Chamberlain-Elder Unit

Eagleridge Operating LLC's other wells filed under this lease name in Denton 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 wells

Chain of custody

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

  1. 1Joint Resources CompanyJan 2005 → Feb 2006
  2. 2Stroud Energy, Ltd.Mar 2006 → Jun 2006
  3. 3Range Production CompanyJul 2006 → May 2011
  4. 4Legend Natural Gas IV, LPJun 2011 → Feb 2015
  5. 5Trinity River Energy Oper, LLCMar 2015 → Jun 2017
  6. 6Eagleridge Operating, LLCJul 2017 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
550455-99DrillJoint Resources CompanySep 2, 2004Sep 2, 2004—9,300

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 5, 2005Chamberlain-Elder Unit G-13-206947Newark East (Barnett Shale)Eagleridge Operating LLCProducing8,945

Formation tops

As filed on W-2/G-1. Subsea from 646 ft elevation.Download CSV →

FormationMD ftSubsea
Marble Falls7,738-7,092
BarnettUPPER BARNETT8,072-7,426
BarnettLOWER BARNETT8,672-8,026

Perforations

Perforated and open-hole intervals.

FromToType
8,2988,878Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,39812.25500 S
5.58,9437.875250 S
8.625——175 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Dec 8, 2005Sep 22, 2005—
00Jun 1, 2005Feb 15, 2005Yes
00Mar 22, 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.

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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.

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/12132411, documented in the API reference.