Lease by Guarantee Oil Co. 4

Name: Lease by Guarantee Oil Co. 4 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0408100099 · San Mateo County, California · Half Moon Bay field

PluggedOil & Gas

API

0408100099

Operator

Guarantee Oil Co.

County

San Mateo

Field

Half Moon Bay

Spudded

1923-11-01

Location

37.416470, -122.396576

37.41647, -122.39658 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

Every well in San Mateo County, California

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