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WellCensus

Hanlon Etal

Operator of record for 35 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Hanlon Etal is the operator of record for 35 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 29 (83%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Montana, with 35 wells (100% of its portfolio).

Wells operated

35

Active

0

Plugged

29

Orphaned

1

Portfolio by state

StateWells
Montana35

Well mix

Oil wells
18
Gas wells
0
Shut-in
0
Active share
0%

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Where does Hanlon Etal operate?

Hanlon Etal's catalogued wells are spread across 1 state: Montana (35). Its 35 Montana wells are 0.1% 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 Hanlon Etal’s wells are active, plugged or orphaned?

0% of Hanlon Etal's catalogued wells are active, 29 percentage points below the national share of 29%. 83% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.

What kinds of wells does Hanlon Etal operate?

By product class, 18 (51%) 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 Maggelssen 1 in Rosebud, MT at 4,510 ft. The wells listed below sit in Rosebud (MT), Musselshell (MT), Fergus (MT), Lewis And Clark (MT) and Glacier (MT).

Notable wells operated by Hanlon Etal

Wells operated by Hanlon Etal
WellAPI # / state IDStatusTypeLocationOperatorDepth
Maggelssen 125-087-05052Plugged & abandonedOther typeRosebud, MTHanlon Etal4,510 ft
Nprr 125-065-05226Plugged & abandonedOther typeMusselshell, MTHanlon Etal4,338 ft
Clarence Ryan 125-027-05068Other statusOther typeFergus, MTHanlon Etal3,400 ft
Durnin & Procktor 125-049-05004Plugged & abandonedOther typeLewis And Clark, MTHanlon Etal3,300 ft
Tribal 1303 125-035-05260Plugged & abandonedOilGlacier, MTHanlon Etal3,273 ft
Tribal 225 225-035-05149Plugged & abandonedOther typeGlacier, MTHanlon Etal3,169 ft
Tribal 226-225-035-05120Plugged & abandonedOilGlacier, MTHanlon Etal3,165 ft
Tribal 225 125-035-05169Plugged & abandonedOilGlacier, MTHanlon Etal3,150 ft
Hanlon-Church 125-065-05117Plugged & abandonedOilMusselshell, MTHanlon Etal3,050 ft
Allotted 128-225-035-05432Plugged & abandonedOilGlacier, MTHanlon Etal3,035 ft
Church 125-065-05106Plugged & abandonedOilMusselshell, MTHanlon Etal3,025 ft
Hanlon-Hunt-Church 225-065-05097Plugged & abandonedOilMusselshell, MTHanlon Etal3,021 ft

Deepest first where depth is published. See all 35 wells →

Frequently asked questions

How many wells does Hanlon Etal operate?

Hanlon Etal is the operator of record for 35 catalogued oil & gas wells, with the largest concentration in Montana (35). Only wells in states WellCensus has ingested are counted.

How many of Hanlon Etal's wells are still active?

0 of Hanlon Etal's catalogued wells are active; 29 are plugged & abandoned and 1 are flagged as orphaned.

In which states does Hanlon Etal operate wells?

Hanlon Etal is the operator of record for wells in Montana (35).

Does Hanlon Etal operate mostly oil or gas wells?

18 of Hanlon Etal's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Hanlon Etal's deepest well?

Among wells with a published depth, Maggelssen 1 in Rosebud, MT is the deepest at 4,510 ft.

Where Hanlon Etal'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, “Hanlon Etal — well portfolio”, https://wellcensus.com/operators/hanlon-etal-127052 (data as of October 10, 2026).

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