Stephens & Johnson Operating

Operator of record for 1,241 catalogued wells across 4 states. Every well below links to its full registry page.

Filed as: STEPHENS & JOHNSON OPERATING CO · STEPHENS & JOHNSON OPERATING CO. · Stephens & Johnson Operating Co. · Stephens & Johnson Operating Company

At a glance

Stephens & Johnson Operating is the operator of record for 1,241 catalogued U.S. oil & gas wells in 4 states. 1,029 (83%) are active, 81 (7%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Oklahoma, with 1,231 wells (99% of its portfolio).

Wells operated

1,241

Active

1,029

Plugged

Orphaned

Portfolio by state

State	Wells
Oklahoma	1,231
Montana	5
Kansas	3
North Dakota	2

Well mix

Oil wells: 875
Gas wells: 50
Shut-in: 90
Active share: 83%

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Where does Stephens & Johnson Operating operate?

Stephens & Johnson Operating's catalogued wells are spread across 4 states: Oklahoma (1,231), Montana (5), Kansas (3) and North Dakota (2). Its 1,231 Oklahoma wells are 0.3% of the 456,595 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.

How many of Stephens & Johnson Operating’s wells are active, plugged or orphaned?

83% of Stephens & Johnson Operating's catalogued wells are active, 54 percentage points above the national share of 29%. 7% are plugged & abandoned, against 47% nationally. 90 wells (7%) are shut-in — unplugged but idle. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.

What kinds of wells does Stephens & Johnson Operating operate?

By product class, 875 (71%) are oil wells and 50 (4%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Katherine Dynneson B-1 in Richland, MT at 12,840 ft. The wells listed below sit in Richland (MT), Mckenzie (ND), Grant (KS), Liberty (MT), Phillips (MT) and Seminole (OK) and other counties. State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Stephens & Johnson Operating

Wells operated by Stephens & Johnson Operating
Well	API # / state ID	Status	Type	Location	Operator	Depth
Katherine Dynneson B-1	25-083-21019	Plugged & abandoned	Oil	Richland, MT	Stephens & Johnson Operating Company	12,840 ft
Green 21-8	33-053-01812	Active	Oil	Mckenzie, ND	Stephens & Johnson Operating Co.	9,570 ft
Henderson 'A' 1r	15-067-21872	Active	Oil	Grant, KS	Stephens & Johnson Operating Co.	4,244 ft
Henderson 'A' 1	15-067-30074	Plugged & abandoned	Oil	Grant, KS	Stephens & Johnson Operating Co.	4,205 ft
Irwin-12 1	33-053-01660	Plugged & abandoned	Oil	Mckenzie, ND	Stephens & Johnson Operating Co.	2,072 ft
Iverson #4	25-051-05283	Plugged & abandoned	Oil	Liberty, MT	Stephens & Johnson Operating Company	2,037 ft
C.Grove(2152-1)	25-071-21157	Plugged & abandoned	Gas	Phillips, MT	Stephens & Johnson Operating Company	1,749 ft
Henderson A 3	15-067-20007	Active	Injection	Grant, KS	Stephens & Johnson Operating Co.	1,635 ft
3214-1	25-071-21169	Plugged & abandoned	Gas	Phillips, MT	Stephens & Johnson Operating Company	1,410 ft
Mahoney 3A	25-051-05464	Plugged & abandoned	Oil	Liberty, MT	Stephens & Johnson Operating Company	1,400 ft
Horace Joe (N. Seminole Hunton Unit) #4	35-133-21461	Active	Other type	Seminole, OK	Stephens & Johnson Operating Co	—
C A Stephens #6	35-137-04246	Active	Oil	Stephens, OK	Stephens & Johnson Operating Co	—

Deepest first where depth is published. See all 1,241 wells →

Frequently asked questions

How many wells does Stephens & Johnson Operating operate?

Stephens & Johnson Operating is the operator of record for 1,241 catalogued oil & gas wells, with the largest concentration in Oklahoma (1,231). Only wells in states WellCensus has ingested are counted.

How many of Stephens & Johnson Operating's wells are still active?

1,029 of Stephens & Johnson Operating's catalogued wells are active; 81 are plugged & abandoned and 1 are flagged as orphaned.

In which states does Stephens & Johnson Operating operate wells?

Stephens & Johnson Operating is the operator of record for wells in Oklahoma (1,231), Montana (5), Kansas (3) and North Dakota (2).

Does Stephens & Johnson Operating operate mostly oil or gas wells?

875 of Stephens & Johnson Operating's catalogued wells are oil wells and 50 are gas wells; the rest are injection, service or unclassified wells.

What is Stephens & Johnson Operating's deepest well?

Among wells with a published depth, Katherine Dynneson B-1 in Richland, MT is the deepest at 12,840 ft.

Where Stephens & Johnson Operating's wells are

About this data

Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Stephens & Johnson Operating — well portfolio”, https://wellcensus.com/operators/stephens-johnson-operating-497 (data as of October 10, 2026).

Dataset updated October 2026 . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).