Upham 1

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

API 0406700162 · Sacramento County, California · Rio Vista Gas field

PluggedDry Hole

API

0406700162

Operator

Union Oil Company of California

County

Sacramento

Field

Rio Vista Gas

Spudded

1966-06-14

Location

38.083630, -121.688324

38.08363, -121.68832 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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