Cassinelli 1

Name: Cassinelli 1 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0408100168 · San Mateo County, California · Any Field field

PluggedDry Hole

API

0408100168

Operator

William Y. Lee

County

San Mateo

Field

Any Field

Spudded

1959-10-05

Location

37.448959, -122.422256

37.44896, -122.42226 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

California state record, from CA_wells_Well.parquet. Corpus built 2026-08-19.