Upham 1

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

API 0406700061 · Sacramento County, California · Rio Vista Gas field

PluggedDry Hole

API

0406700061

Operator

Amerada Hess Corp.

County

Sacramento

Field

Rio Vista Gas

Spudded

1942-06-30

Location

38.080601, -121.690277

38.08060, -121.69028 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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