Williston Basin Interstate Pipeline
Operator of record for 117 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: WILLISTON BASIN INTERSTATE PIPELINE CO. · Williston Basin Interstate Pipeline Company
At a glance
Williston Basin Interstate Pipeline is the operator of record for 117 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 117 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 116 wells (99% of its portfolio).
Wells operated
117
Active
0
Plugged
117
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 116 |
| North Dakota | 1 |
Well mix
- Oil wells
- 0
- Gas wells
- 110
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Williston Basin Interstate Pipeline operate?
Williston Basin Interstate Pipeline's catalogued wells are spread across 2 states: Montana (116) and North Dakota (1). Its 116 Montana wells are 0.3% of the 42,011 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 Williston Basin Interstate Pipeline’s wells are active, plugged or orphaned?
0% of Williston Basin Interstate Pipeline's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Williston Basin Interstate Pipeline operate?
By product class, 0 (0%) are oil wells and 110 (94%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Bn 23-15 in Custer, MT at 5,919 ft. The wells listed below sit in Custer (MT), Fallon (MT) and Bowman (ND). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Williston Basin Interstate Pipeline
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bn 23-15 | 25-017-21001 | Plugged & abandoned | Gas | Custer, MT | Williston Basin Interstate Pipeline Company | 5,919 ft |
| B020609 #133 | 25-025-06822 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 2,965 ft |
| Hitch 92 | 25-025-06845 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 2,300 ft |
| WBI Fee B-27 | 25-025-06813 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,930 ft |
| Fee 359 | 25-025-60013 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,874 ft |
| Federal 66 | 25-025-06795 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,670 ft |
| 98 | 25-025-06803 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,650 ft |
| B.N. #450 | 25-025-21449 | Plugged & abandoned | Other type | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,636 ft |
| Federal 267 | 25-025-06801 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,582 ft |
| Fee 188 | 25-025-05112 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,570 ft |
| Bn 199 | 25-025-06751 | Plugged & abandoned | Gas | Fallon, MT | Williston Basin Interstate Pipeline Company | 1,490 ft |
| State Wbi 265 | 33-011-00013 | Plugged & abandoned | Gas | Bowman, ND | Williston Basin Interstate Pipeline Co. | 1,480 ft |
Deepest first where depth is published. See all 117 wells →
Frequently asked questions
How many wells does Williston Basin Interstate Pipeline operate?
Williston Basin Interstate Pipeline is the operator of record for 117 catalogued oil & gas wells, with the largest concentration in Montana (116). Only wells in states WellCensus has ingested are counted.
How many of Williston Basin Interstate Pipeline's wells are still active?
0 of Williston Basin Interstate Pipeline's catalogued wells are active; 117 are plugged & abandoned.
In which states does Williston Basin Interstate Pipeline operate wells?
Williston Basin Interstate Pipeline is the operator of record for wells in Montana (116) and North Dakota (1).
Does Williston Basin Interstate Pipeline operate mostly oil or gas wells?
0 of Williston Basin Interstate Pipeline's catalogued wells are oil wells and 110 are gas wells; the rest are injection, service or unclassified wells.
What is Williston Basin Interstate Pipeline's deepest well?
Among wells with a published depth, Bn 23-15 in Custer, MT is the deepest at 5,919 ft.
Where Williston Basin Interstate Pipeline'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, “Williston Basin Interstate Pipeline — well portfolio”, https://wellcensus.com/operators/williston-basin-interstate-pipeline-15735 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).