Membership
Tour
Register
Log in
Ricardo M. Carossino
Follow
Person
Stafford, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for controlling well pressure in open-ended ca...
Patent number
7,021,385
Issue date
Apr 4, 2006
Schlumberger Technology Corporation
Herve Ohmer
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for controlling well pressure in open-ended ca...
Publication number
20030066653
Publication date
Apr 10, 2003
Herve Ohmer
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for controlling well pressure in open-ended ca...
Publication number
20020070027
Publication date
Jun 13, 2002
Herve Ohmer
E21 - EARTH DRILLING MINING