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WellCensus

Shell Legacy Holdings

Operator of record for 186 catalogued wells across 2 states. Every well below links to its full registry page.

At a glance

Shell Legacy Holdings is the operator of record for 186 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 178 (96%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in California, with 185 wells (99% of its portfolio).

Wells operated

186

Active

0

Plugged

178

Orphaned

1

Portfolio by state

StateWells
California185
New York1

Well mix

Oil wells
167
Gas wells
0
Shut-in
6
Active share
0%

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Where does Shell Legacy Holdings operate?

Shell Legacy Holdings's catalogued wells are spread across 2 states: California (185) and New York (1). Its 185 California wells are 0.1% of the 242,471 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 Shell Legacy Holdings’s wells are active, plugged or orphaned?

0% of Shell Legacy Holdings's catalogued wells are active, 29 percentage points below the national share of 29%. 96% are plugged & abandoned, against 47% nationally. 6 wells (3%) 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 Shell Legacy Holdings operate?

By product class, 167 (90%) 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 Thropp 028 in Cattaraugus, NY at 1,681 ft. The wells listed below sit in Cattaraugus (NY) and Santa Barbara (CA).

Notable wells operated by Shell Legacy Holdings

Wells operated by Shell Legacy Holdings
WellAPI # / state IDStatusTypeLocationOperatorDepth
Thropp 02831-009-55643Other statusOilCattaraugus, NYShell Legacy Holdings LLC1,681 ft
Field Fee G204-083-22694Shut-inOilSanta Barbara, CAShell Legacy Holdings LLC—
Stenel 104-083-01310Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
MCCroskey WS1204-083-20747Shut-inOther typeSanta Barbara, CAShell Legacy Holdings LLC—
R & G 0-2504-083-01177Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
R & G 0-2604-083-01178Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
Victory G304-083-22692Shut-inOilSanta Barbara, CAShell Legacy Holdings LLC—
Leger Et Al A 104-083-20454Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
McNee 104-083-00359Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
R & G 1104-083-00146Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
McNee 1104-083-20427Plugged & abandonedOilSanta Barbara, CAShell Legacy Holdings LLC—
Victory G104-083-22691Shut-inOilSanta Barbara, CAShell Legacy Holdings LLC—

Deepest first where depth is published. See all 186 wells →

Frequently asked questions

How many wells does Shell Legacy Holdings operate?

Shell Legacy Holdings is the operator of record for 186 catalogued oil & gas wells, with the largest concentration in California (185). Only wells in states WellCensus has ingested are counted.

How many of Shell Legacy Holdings's wells are still active?

0 of Shell Legacy Holdings's catalogued wells are active; 178 are plugged & abandoned and 1 are flagged as orphaned.

In which states does Shell Legacy Holdings operate wells?

Shell Legacy Holdings is the operator of record for wells in California (185) and New York (1).

Does Shell Legacy Holdings operate mostly oil or gas wells?

167 of Shell Legacy Holdings's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Shell Legacy Holdings's deepest well?

Among wells with a published depth, Thropp 028 in Cattaraugus, NY is the deepest at 1,681 ft.

Where Shell Legacy Holdings'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, “Shell Legacy Holdings — well portfolio”, https://wellcensus.com/operators/shell-legacy-holdings-16600 (data as of October 10, 2026).

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