WELL · 42-009-38758 · DISTRICT 9
Staley-Mangold Unit #121
Archer County · K-M-A field · Producing · Vertical
Staley-Mangold Unit #121 (API 42-009-38758) is a well in Archer County operated by Stephens & Johnson Operating CO., completed December 21, 1984 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 14, 1984, permitted to 3,955 ft.
It was permitted by American Petrofina CO. Of Tex. and has since transferred to Stephens & Johnson Operating CO. on the wellbore schedule.
Completion filings report 4 formation tops, including Kma Lime, Kma Zone I, Kma Zone Ii, Caddo.
Its lease has reported 1.99M barrels of oil and 19 mcf of gas since January 1993, last reporting in July 2026. The lease carries 91 wells, so these are lease totals, not this well alone.
Operator of record
Stephens & Johnson Operating Co.
Permitted by American Petrofina Co. of Tex.; the EWA schedule now lists a different operator.
- Based in
- Wichita Falls, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jul 2, 2026
- Permits on file
- 360
- Phone
- (940) 723-2166
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Stephens & Johnson Operating Co. |
| Production reports | Stephens & Johnson Operating Co.through Apr 2026 |
| Latest permit | American Petrofina Co. of Tex.Sep 14, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,955
- total depth, ft
- 1
- permits on file
- Sep 14, 1984
- last permit issued
- Dec 21, 1984
- completed
- 1.99M
- cumulative oil, bbl
- 19
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 21, 1984
- Shut in
- —
- 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.
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; they carry 91 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Staley-Mangold Unit O-13-12565 | K-M-A | Stephens & Johnson Operating Co. | 91 | 1.99M | 19 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 26,755 · prior 12 30,136(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1S & J Operating Co.Jan 1993 → Aug 1993
- 2Stephens & Johnson Operating Co.Sep 1993 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 251519-99 | Drill | American Petrofina Co. of Tex. | Sep 18, 1984 | Sep 14, 1984 | Oct 29, 1984 | 3,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 21, 1984 | Staley-Mangold Unit O-13-12565 | K-M-A | Stephens & Johnson Operating Co. | Producing | 3,955 |
Formation tops
As filed on W-2/G-1. Subsea from 1,018 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Kma Lime | 3,689 | -2,671 |
| Kma Zone I | 3,758 | -2,740 |
| Kma Zone II | 3,798 | -2,780 |
| Caddo | 3,911 | -2,893 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,800 | 3,850 | Perforated |
| 3,860 | 3,888 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 138 | 12.5 | 100 S |
| 5.5 | 3,954 | 7.875 | 230 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 | Feb 13, 1985 | Jan 17, 1985 | — |
| 00 | Feb 1, 1985 | — | — |
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 42-009-38758 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-009-38758 → 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/00938758, documented in the API reference.