WELL · 42-251-34465 · DISTRICT 9

O Dowd Unit #4 H

Y

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

O Dowd Unit #4 H (API 42-251-34465) is a horizontal well in Johnson County operated by Upp Operating LLC, completed April 25, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 23, 2011, permitted to 8,999 ft.

It was permitted by Eog Resources, Inc. and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 5 formation tops, including Strawn, Atoka, Hood, Marble Falls.

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

Operator of record

Upp Operating LLC

Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Apr 2026
Latest permitEOG Resources, Inc.Dec 23, 2011

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

8,999
total depth, ft
2
permits on file
Dec 23, 2011
last permit issued
Apr 25, 2012
completed
0
cumulative oil, bbl
496K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 25, 2012
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
O'Dowd Unit G-13-266411Newark, East (Barnett Shale)Upp Operating, LLC10496KApr 2012 – Jul 2026

Gas, mcf lease total

Last 12 months 11,710 · prior 12 28,767(-59%)

05K10K15K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.May 2012 → Dec 2016
  2. 2Enervest Operating, L.L.C.Jan 2017 → Mar 2019
  3. 3Upp Operating, LLCApr 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
730443-98DrillEOG Resources, Inc.Aug 8, 2012Dec 23, 2011Feb 17, 20128,999
730443-99DrillEOG Resources, Inc.Dec 21, 2011Dec 23, 2011Feb 18, 20128,999

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-266411————

Formation tops

As filed on W-2/G-1. Subsea from 1,014 ft elevation.Download CSV →

FormationMD ftSubsea
Strawn1,156-142
Atoka3,556-2,542
Hood5,771-4,757
Marble Falls6,028-5,014
BarnettBARNETT SHALE6,550-5,536

Perforations

Perforated and open-hole intervals.

FromToType
6,80010,835Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,20812.25476 S
5.510,9408.751,461 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
00Mar 6, 2013Jul 12, 2012Yes

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/25134465, documented in the API reference.