Mackessy 4

Name: Mackessy 4 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0402936277 · Kern County, California · Welcome Valley field

PluggedOil & Gas

API

0402936277

Operator

Great Western Drilling

County

Kern

Field

Welcome Valley

Location

35.685104, -119.971176

35.68510, -119.97118 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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