Old Grade 1-27

Name: Old Grade 1-27 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0411320970 · Yolo County, California · Any Field field

PluggedDry Hole

API

0411320970

Operator

Black Mountain Oil Co.

County

Yolo

Field

Any Field

Spudded

1990-09-28

Location

38.777485, -121.733673

38.77748, -121.73367 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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