WELL · 42-237-35891 · DISTRICT 9
Armstrong No. 4 #4
Jack County · Dearing (Caddo) field · Vertical
Armstrong NO. 4 #4 (API 42-237-35891) is a well in Jack County operated by Carter Energy Corporation, completed April 24, 1984.
The RRC has issued 2 drilling permits between 1984 and 1993, permitted to 4,917 ft.
Completion filings report 3 formation tops, including Caddo, Congl, Congl..
Its 2 leases have reported 77 barrels of oil and 93.1K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Duncanville, TX · P-5 Y, filed Nov 5, 2010 · 140 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Carter Energy Corporation |
| Production reports | Carter Energy Corporationthrough Aug 1997 |
| Latest permit | Carter Energy Corp.Mar 11, 1993 |
- 4,917
- total depth, ft
- 2
- permits on file
- Mar 11, 1993
- last permit issued
- Apr 24, 1984
- completed
- 77
- cumulative oil, bbl
- 93.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 24, 1984
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Casteel G-13-146604 | Bryson, East (Congl.) | D L Operating | 1 | 0 | 74.9K | Jul 1993 – Jul 2026 |
| Armstrong No. 4 O-13-24261 | Dearing (Caddo) | Carter Energy Corporation | 1 | 77 | 18.2K | Jan 1993 – Apr 1994 |
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.
- 1Carter Energy CorporationJan 1993 → Aug 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 409611-99 | Recompletion | Carter Energy Corp. | Mar 8, 1993 | Mar 11, 1993 | Mar 26, 1993 | 4,917 |
| 231882-99 | Drill | Carter Energy Corp. | May 7, 1984 | Mar 8, 1984 | — | 4,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-146604 | — | — | — | — |
| — | — O-13-24261 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,300 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 4,485 | -3,185 |
| Congl | 4,880 | -3,580 |
| Congl. | 4,880 | -3,580 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,430 | 1,440 | Perforated |
| 4,485 | 4,512 | Perforated |
| 4,882 | 4,910 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 390 | 12.25 | 300 S |
| 2.375 | 390 | 12.25 | 300 sx |
| 4.5 | 4,916 | 7.875 | 225 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 29, 2020 | Jul 11, 2020 | — |
| 00 | Apr 21, 1994 | Mar 14, 1994 | — |
| 00 | Oct 27, 1993 | Sep 15, 1993 | Yes |
| 00 | May 24, 1984 | May 9, 1984 | Yes |
| 00 | May 17, 1984 | May 9, 1984 | — |
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 42-237-35891 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-35891 → 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/23735891, documented in the API reference.