Call 1-21

Name: Call 1-21 — California wellbore record
Creator: California Geologic Energy Management Division (CalGEM)

API 0410320110 · Tehama County, California · Any Field field

PluggedDry Hole

API

0410320110

Operator

UMC Petroleum Corp.

County

Tehama

Field

Any Field

Location

Sec 21 25N 02W (MD)

Spudded

1979-11-29

Location

40.000950, -122.087700

40.00095, -122.08770 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

California state record, from CA_wells_Well.parquet. Corpus built 2026-09-11.