Maggiore 1-11

Name: Maggiore 1-11 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0401300255 · Contra Costa County, California · River Break Gas field

PluggedDry Hole

API

0401300255

Operator

Shell Western E&P Inc.

County

Contra Costa

Field

River Break Gas

Spudded

1963-07-31

Location

37.952744, -121.725685

37.95274, -121.72568 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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