WELL · 42-483-32840 · DISTRICT 10

Armstrong #1020

Plugged

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

Armstrong #1020 (API 42-483-32840) is a plugged well in Wheeler County, plugged April 24, 2023, last operated by Zephyr Lone Star Oper CO. L.L.C..

The RRC has issued one drilling permit, issued February 12, 2009, permitted to 13,700 ft.

Completion filings report 3 formation tops, including Upper Missourian, Lower Missourian, Des Moines.

Operator of record

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

Oklahoma City, OK · P-5 Y, filed Dec 4, 2025 · 30 permits on file · (405) 642-2504

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Zephyr Lone Star Oper Co. L.L.C.
Production reports	Zephyr Lone Star Oper Co.,l.l.c.through Mar 2019
Latest permit	Zephyr Lone Star Oper Co.,l.l.c.Feb 12, 2009

13,700: total depth, ft
1: permits on file
Feb 12, 2009: last permit issued
Apr 1, 2009: completed
0: cumulative oil, bbl
572K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2009 THROUGH Apr 2023

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Apr 1, 2009
Shut in: —
Plugged: Apr 24, 2023

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Armstrong G-14-250874	Stiles Ranch (Granite Wash Cons)	Zephyr Lone Star Oper Co.,l.l.c.	1	0	572K	Apr 2009 – Apr 2023

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.

1Zephyr Lone Star Oper Co.,l.l.c.May 2009 → Mar 2019

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
677714-99	Drill	Zephyr Lone Star Oper Co.,l.l.c.	Jan 22, 2009	Feb 12, 2009	Mar 5, 2009	13,700

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-14-250874	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,254 ft elevation.Download CSV →

Formation	MD ft	Subsea
Upper Missourian	10,670	-8,416
Lower Missourian	11,350	-9,096
Des Moines	12,540	-10,286

Perforations

Perforated and open-hole intervals.

From	To	Type
12,644	13,549	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,012	12.25	525 S
5.5	13,650	7.875	785 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Oct 19, 2009	Jun 11, 2009	Yes
00	Sep 16, 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.

Wellbore filings for 42-483-32840 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-483-32840 → scanned completion filings

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/48332840, documented in the API reference.