Slowinski 1

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

API 0401320354 · Contra Costa County, California · Any Field field

PluggedDry Hole

API

0401320354

Operator

Tonka Energy, Inc.

County

Contra Costa

Field

Any Field

Spudded

1999-08-09

Location

37.977013, -121.667175

37.97701, -121.66718 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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