WELL · 42-121-34065 · DISTRICT 9

Ace Unit C #12H

Y

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

Ace Unit C #12H (API 42-121-34065) is a horizontal well in Denton County operated by Eagleridge Operating LLC, completed September 13, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended 3 times), issued August 17, 2010, permitted to 8,500 ft.

It was permitted by Williams Prod. Gulf Coast, L.P. and has since transferred to Eagleridge Operating LLC on the wellbore schedule.

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

No lease production has been reported under this well’s leases.

Operator of record

Eagleridge Operating LLC

Permitted by Williams Prod. Gulf Coast, L.P.; the EWA schedule now lists a different operator.

Dallas, TX · P-5 Y, filed Jan 4, 2026 · 129 permits on file · (855) 820-6008

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEagleridge Operating LLC
Production reportsEagleridge Operating, LLCthrough Apr 2026
Latest permitWilliams Prod. Gulf Coast, L.P.Aug 17, 2010

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

8,500
total depth, ft
4
permits on file
Aug 17, 2010
last permit issued
Sep 13, 2011
completed
0
cumulative oil, bbl
1.61M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 13, 2011
Shut in
—
Plugged
—

Operator's P-5 on the schedule: 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.

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Ace Unit C G-13-264065Newark, East (Barnett Shale)Eagleridge Operating, LLC101.61MSep 2011 – Jul 2026

Gas, mcf lease total

Last 12 months 44,039 · prior 12 57,474(-23%)

05K10K202420252026

Chain of custody

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

  1. 1Williams Prod. Gulf Coast, L.P.Oct 2011 → Jan 2012
  2. 2WPX Energy Gulf Coast, LPFeb 2012 → May 2012
  3. 3Premier Natural Resources Ii,llcJun 2012 → Feb 2015
  4. 4Trinity River Energy Oper, LLCMar 2015 → Jun 2017
  5. 5Eagleridge Operating, LLCJul 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
699856-96DrillWilliams Prod. Gulf Coast, L.P.Aug 3, 2011Aug 17, 2010Jun 8, 20118,500
699856-97DrillWilliams Prod. Gulf Coast, L.P.Jun 10, 2011Aug 17, 2010Jun 8, 20118,500
699856-98DrillWilliams Prod. Gulf Coast, L.P.Jun 6, 2011Aug 17, 2010Jun 8, 20118,500
699856-99DrillWilliams Prod. Gulf Coast, L.P.Jul 28, 2010Aug 17, 2010—8,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-264065————

Formation tops

As filed on W-2/G-1. Subsea from 509 ft elevation.Download CSV →

FormationMD ftSubsea
Marble FallsMARBLE FALLS LIME7,640-7,131
BarnettUPPER BARNETT SHALE8,011-7,502
BarnettLOWER BARNETT SHALE8,272-7,763

Perforations

Perforated and open-hole intervals.

FromToType
9,0199,373Perforated
9,4619,815Perforated
9,90310,257Perforated
10,34510,699Perforated
10,78711,141Perforated
11,22911,583Perforated
11,67112,025Perforated
12,11312,467Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,03012.25770 S
5.512,5368.751,130 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 11, 2012Nov 30, 2011Yes

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.

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/12134065, documented in the API reference.