Transamerica 1-27

Name: Transamerica 1-27 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0401320184 · Contra Costa County, California · Any Field field

PluggedDry Hole

API

0401320184

Operator

Hamilton Brothers Oil Company

County

Contra Costa

Field

Any Field

Spudded

1981-09-08

Location

37.989902, -121.630425

37.98990, -121.63043 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

Every well in Contra Costa County, California

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