Mallon-Amoco-Semingson 13-1

Name: Mallon-Amoco-Semingson 13-1 — Montana wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 25087214030000 · Montana

P&A - ApprovedDry Hole

API

25087214030000

Operator

Mallon Oil Company

Completed

1978-09-19

Measured depth

4,607 ft

Location

46.721270, -107.768760

46.72127, -107.76876 · Surface location as filed with Montana⌘ or Ctrl + scroll to zoom

Montana state record, from MT_wells_BOG_Wells.parquet. Corpus built 2026-08-19.