Porter Sesnon 1

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

API 0401300303 · Contra Costa County, California · River Break Gas field

PluggedDry Hole

API

0401300303

Operator

Chevron U.S.A. Inc.

County

Contra Costa

Field

River Break Gas

Spudded

1963-07-20

Location

37.996712, -121.701279

37.99671, -121.70128 · 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.