TEXAS · WELLS · JOHNSON COUNTY · MASSEY LEASE · API 42-251-30682 · DISTRICT 7C

Massey #4H

Shut in

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

Massey #4H (API 42-251-30682) is a horizontal well in Johnson County operated by Upp Operating LLC, completed February 12, 2006 and listed as producing on the RRC schedule, shut in December 1, 2015.

The RRC has issued one drilling permit, issued December 12, 2005, permitted to 6,380 ft.

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

Completion filings report 6 formation tops, including Atoka, Strawn, Bend, Hood.

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.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 6, 2026
Permits on file
33
Phone
(713) 495-5300

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough May 2023
Latest permitEOG Resources, Inc.Dec 12, 2005

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

6,380
total depth, ft
1
permits on file
Dec 12, 2005
last permit issued
Feb 12, 2006
completed
0
cumulative oil, bbl
280K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 12, 2006
Shut in
Dec 1, 2015
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
Massey G-13-217166Newark, East (Barnett Shale)Upp Operating, LLC10280KFeb 2006 – Jul 2026

Gas, mcf lease total

Last 12 months 0 · prior 12 0

050100150202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Feb 2006 → Sep 2016
  2. 2Enervest Operating, L.L.C.Mar 2017 → Mar 2019
  3. 3Upp Operating, LLCApr 2019 → May 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
610750-99DrillEOG Resources, Inc.Dec 8, 2005Dec 12, 2005Dec 27, 20057,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 12, 2006Massey G-13-217166Newark East (Barnett Shale)Upp Operating LLCProducing · shut in Dec 1, 20156,380

Formation tops

As filed on W-2/G-1. Subsea from 968 ft elevation.Download CSV →

FormationMD ftSubsea
Atoka4,073-3,105
Strawn4,570-3,602
BendBEND CONGL.5,180-4,212
Hood5,685-4,717
Marble Falls5,940-4,972
BarnettBARNETT SHALE6,901-5,933

Perforations

Perforated and open-hole intervals.

FromToType
6,7007,228Perforated
7,2857,684Perforated
7,7418,197Perforated
8,2548,710Perforated
8,8109,300Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,04512.25405 S
5.59,5028.75890 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
00Nov 3, 2006Jun 5, 2006Yes
00Jul 18, 2006——

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/25130682, documented in the API reference.