TEXAS · WELLS · JOHNSON COUNTY · ARMSTRONG, JAMES LEASE · API 42-251-32900 · DISTRICT 7C

Armstrong James #8H

Plugged

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

Armstrong James #8H (API 42-251-32900) is a plugged horizontal well in Johnson County, plugged September 4, 2025, last operated by Javelin Energy Partners Mgmt LLC.

The RRC has issued one drilling permit, issued May 14, 2008, permitted to 9,000 ft.

It was permitted by Devon Energy Production CO, L.P. and has since transferred to Javelin Energy Partners Mgmt LLC on the wellbore schedule.

Completion filings report 5 formation tops, including Big Saline, Marble Falls, Lwr Marble Falls, Barnett.

Its lease has reported 44 barrels of oil and 3.29M mcf of gas since October 2008, last reporting volume in July 2025.

Operator of record

Javelin Energy Partners Mgmt LLC

Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Feb 24, 2026
Permits on file
234
Phone
(469) 575-3800

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleJavelin Energy Partners Mgmt LLC
Production reportsJavelin Energy Partners Mgmt LLCthrough Jul 2025
Latest permitDevon Energy Production Co, L.P.May 14, 2008

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

9,000
total depth, ft
1
permits on file
May 14, 2008
last permit issued
Jun 1, 2022
completed
44
cumulative oil, bbl
3.29M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jul 2025

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 1, 2022
Shut in
—
Plugged
Sep 4, 2025

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
Armstrong, James G-13-244088Newark, East (Barnett Shale)Javelin Energy Partners Mgmt LLC1443.29MOct 2008 – Jul 2025

Gas, mcf lease total

Last 12 months 18,260 · prior 12 76,575(-76%)

05K10K202420252026

Chain of custody

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

  1. 1Devon Energy Production Co, L.P.Oct 2008 → Apr 2018
  2. 2FDL Operating, LLCMay 2018 → Dec 2021
  3. 3Venado Operating Company LLCJan 2022 → Mar 2022
  4. 4Javelin Energy Partners Mgmt LLCApr 2022 → Jul 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
660549-99DrillDevon Energy Production Co, L.P.Apr 28, 2008May 14, 2008Jul 17, 20089,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 1, 2022Armstrong James G-13-244088Newark East (Barnett Shale)Javelin Energy Partners Mgmt LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 860 ft elevation.Download CSV →

FormationMD ftSubsea
Big Saline6,342-5,482
Marble FallsLOWER MARBLE FALLS6,702-5,842
LWR Marble Falls6,702-5,842
BarnettUPPER BARNETT SHALE6,890-6,030
Upr Barnett Shale6,890-6,030

Perforations

Perforated and open-hole intervals.

FromToType
7,5038,584Perforated
7,50311,027Perforated
8,7359,816Perforated
9,96710,432Perforated
10,58311,027Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,31112.25430 S
5.511,1268.52,100 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
00Nov 30, 2022Oct 7, 2022—
00Feb 28, 2009Dec 15, 2008Yes
00Jan 21, 2009——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/25132900, documented in the API reference.