WELL · 42-483-32536 · DISTRICT 10

Armstrong #8020

Plugged

Wheeler County · Stiles Ranch (Granite Wash Cons) field  · Vertical

Armstrong #8020 (API 42-483-32536) is a plugged well in Wheeler County, plugged January 23, 2019, last operated by Zephyr Lone Star Oper CO. L.L.C..

The RRC has issued one drilling permit, issued January 18, 2008, permitted to 14,000 ft.

Completion filings report 5 formation tops, including Douglas, Tonkawa, Cottage Grove, Marmaton.

Operator of record

Zephyr Lone Star Oper Co. L.L.C.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Feb 2, 2026
Permits on file
30
Phone
(405) 286-4771

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleZephyr Lone Star Oper Co. L.L.C.
Production reportsZephyr Lone Star Oper Co.,l.l.c.through Aug 2017
Latest permitZephyr Lone Star Oper Co.,l.l.c.Jan 18, 2008
14,000
total depth, ft
1
permits on file
Jan 18, 2008
last permit issued
Mar 18, 2008
completed
0
cumulative oil, bbl
439K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2008 THROUGH Jan 2019

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 18, 2008
Shut in
—
Plugged
Jan 23, 2019

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 G-14-237684Stiles Ranch (Granite Wash Cons)Zephyr Lone Star Oper Co.,l.l.c.10439KMar 2008 – Jan 2019

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Zephyr Lone Star Oper Co.,l.l.c.Mar 2008 → Aug 2017

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
652191-99DrillZephyr Lone Star Oper Co.,l.l.c.Dec 28, 2007Jan 18, 2008Feb 2, 200814,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-237684————

Formation tops

As filed on W-2/G-1. Subsea from 2,246 ft elevation.Download CSV →

FormationMD ftSubsea
Douglas9,200-6,954
Tonkawa10,400-8,154
Cottage Grove11,400-9,154
Marmaton12,000-9,754
Granite Wash12,600-10,354

Perforations

Perforated and open-hole intervals.

FromToType
12,76013,586Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62591612.25515 S
5.513,7967.875700 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
00Aug 29, 2008May 5, 2008Yes
00Aug 6, 2008——

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/48332536, documented in the API reference.