Williamson 3-4

Name: Williamson 3-4 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0401320004 · Contra Costa County, California · Brentwood field

PluggedDry Hole

API

0401320004

Operator

Shell Western E&P Inc.

County

Contra Costa

Field

Brentwood

Spudded

1967-06-23

Location

37.957165, -121.764542

37.95717, -121.76454 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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