Biancalana 1

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

API 0401300013 · Contra Costa County, California · River Break Gas field

PluggedDry Hole

API

0401300013

Operator

Sumpf-Williams

County

Contra Costa

Field

River Break Gas

Spudded

1966-08-08

Location

37.989304, -121.706429

37.98930, -121.70643 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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