Membership
Tour
Register
Log in
Douglas Pipchuk
Follow
Person
Calgary, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Applications
last 30 patents
Information
Patent Application
BOTTOM HOLE ASSEMBLY FOR WELLBORE OPERATIONS
Publication number
20100200226
Publication date
Aug 12, 2010
Sascha Trummer
E21 - EARTH DRILLING MINING