McCormack-Williamson 11

Name: McCormack-Williamson 11 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0406700275 · Sacramento County, California · Thornton, W.-Walnut Grove Gas field

PluggedDry Hole

API

0406700275

Operator

Chevron U.S.A. Inc.

County

Sacramento

Field

Thornton, W.-Walnut Grove Gas

Spudded

1962-10-26

Location

38.250336, -121.488976

38.25034, -121.48898 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

Every well in Sacramento County, California

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