Williamson 1

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

API 0401320053 · Contra Costa County, California · Brentwood field

PluggedDry Hole

API

0401320053

Operator

Sinco Oil Corp.

County

Contra Costa

Field

Brentwood

Spudded

1969-07-23

Location

37.945873, -121.760689

37.94587, -121.76069 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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