TEXAS · WELLS · GRIMES COUNTY · ARMSTRONG OL LEASE · API 42-185-30552 · DISTRICT 03
Armstrong OL #1H
Grimes County · Giddings (Austin Chalk-3) field · Temp Abandoned · Horizontal
- Fields on the latest permit · any of 2
- Giddings (Austin Chalk-3) · Giddings (Austin Chalk, Gas)
- Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.
Armstrong OL #1H (API 42-185-30552) is a horizontal well in Grimes County operated by Magnolia Oil & Gas Operating LLC, completed February 7, 1996 and listed as temp abandoned on the RRC schedule, shut in November 1, 2001.
The RRC has issued one drilling permit (amended once), issued November 13, 1995, permitted to 15,854 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 12.1K barrels of oil and 4.79M mcf of gas since February 1996, with no volume in the three years through April 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 617
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Jun 2003 |
| Latest permit | Chesapeake Operating, Inc.Nov 13, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,854
- total depth, ft
- 2
- permits on file
- Nov 13, 1995
- last permit issued
- Feb 7, 1996
- completed
- 12.1K
- cumulative oil, bbl
- 4.79M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · FEB 1996 THROUGH JUN 2003
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 7, 1996
- Shut in
- Nov 1, 2001
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 OL G-3-157683 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 12.1K | 4.79M | Feb 1996 – Jun 2003 |
No volumes reported on these leases in the last three years.
Wells named Armstrong OL
Magnolia Oil & Gas Operating LLC's other wells filed under this lease name in Grimes County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Feb 1996 → Oct 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 441823-98 | Drill | Chesapeake Operating, Inc. | Dec 29, 1995 | Nov 13, 1995 | — | 12,850 |
| 441823-99 | Drill | Chesapeake Operating, Inc. | Nov 13, 1995 | Nov 13, 1995 | Nov 18, 1995 | 12,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 7, 1996 | Armstrong OL G-3-157683 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Temp Abandoned · shut in Nov 1, 2001 | 15,854 |
Formation tops
As filed on W-2/G-1. Subsea from 230 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 11,947 | -11,717 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,880 | 12,239 | Perforated |
| 11,880 | 13,650 | Perforated |
| 11,880 | 14,672 | Perforated |
| 11,934 | 12,189 | Perforated |
| 11,934 | 12,277 | Perforated |
| 11,934 | 15,854 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,710 | 14.75 | 1,200 S |
| 7.625 | 12,017 | 9.875 | 1,150 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 →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 7, 1996 | Feb 27, 1996 | Yes |
| 00 | May 3, 1996 | — | — |
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 42-185-30552 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-185-30552 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/18530552, documented in the API reference.