4j Well Service
Operator of record for 1 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
4j Well Service is the operator of record for 1 catalogued U.S. oil & gas wells in 1 state. 1 (100%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in North Dakota, with 1 wells (100% of its portfolio).
Wells operated
1
Active
1
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| North Dakota | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 100%
Is this your company?
Claim 4j Well Service to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does 4j Well Service operate?
4j Well Service's catalogued wells are spread across 1 state: North Dakota (1). Its 1 North Dakota wells are 0.0% of the 43,680 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 4j Well Service’s wells are active, plugged or orphaned?
100% of 4j Well Service's catalogued wells are active, 71 percentage points above the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does 4j Well Service operate?
By product class, 1 (100%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Marty 1-17 in Bowman, ND at 12,963 ft.
Notable wells operated by 4j Well Service
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Marty 1-17 | 33-011-00898 | Active | Oil | Bowman, ND | 4J Well Service, Inc | 12,963 ft |
Deepest first where depth is published. See all 1 wells →
Frequently asked questions
How many wells does 4j Well Service operate?
4j Well Service is the operator of record for 1 catalogued oil & gas wells, with the largest concentration in North Dakota (1). Only wells in states WellCensus has ingested are counted.
How many of 4j Well Service's wells are still active?
1 of 4j Well Service's catalogued wells are active; 0 are plugged & abandoned.
In which states does 4j Well Service operate wells?
4j Well Service is the operator of record for wells in North Dakota (1).
Does 4j Well Service operate mostly oil or gas wells?
1 of 4j Well Service's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is 4j Well Service's deepest well?
Among wells with a published depth, Marty 1-17 in Bowman, ND is the deepest at 12,963 ft.
Where 4j Well Service'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, “4j Well Service — well portfolio”, https://wellcensus.com/operators/4j-well-service-17560 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).