Thoma 1-28

Name: Thoma 1-28 — California wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 0407720004 · San Joaquin County, California · McMullin Ranch Gas field

PluggedDry Hole

API

0407720004

Operator

Tesoro Petroleum Corp.

County

San Joaquin

Field

McMullin Ranch Gas

Spudded

1967-04-04

Location

37.737907, -121.204842

37.73791, -121.20484 · Surface location as filed with California⌘ or Ctrl + scroll to zoom

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