Michael John Betts

Follow

Person

GD Rijswijk, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Steerable soil penetration system
- Patent number 7,347,282
- Issue date Mar 25, 2008
- Shell Oil Company
- Michael John Betts
- E21 - EARTH DRILLING MINING
Information Patent Grant
System for retrieving a tubular element from a well
- Patent number 7,314,088
- Issue date Jan 1, 2008
- Shell Oil Company
- Michael John Betts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Centraliser for an expandable tubular element in a wellbore
- Patent number 7,140,431
- Issue date Nov 28, 2006
- Shell Oil Company
- Michael John Betts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable drill bit
- Patent number 6,607,046
- Issue date Aug 19, 2003
- Shell Oil Company
- Michael John Betts
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Steerable soil penetration system
- Publication number 20050161261
- Publication date Jul 28, 2005
- Michael John Betts
- E21 - EARTH DRILLING MINING
Information Patent Application
System for retrieving a tubular element from a well
- Publication number 20040194962
- Publication date Oct 7, 2004
- Michael John Betts
- E21 - EARTH DRILLING MINING
Information Patent Application
Centraliser for an expandable tubular element in a wellbore
- Publication number 20040182571
- Publication date Sep 23, 2004
- Michael John Betts
- E21 - EARTH DRILLING MINING