Ommund Revheim

Follow

Person

Stavanger, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Pressure driven apparatus for sequential control of a cementing head
- Patent number 8,122,906
- Issue date Feb 28, 2012
- Seawell Oil Tools AS
- Sven Revheim
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE DRIVEN APPARATUS FOR SEQUENTIAL CONTROL OF A CEMENTING HEAD
- Publication number 20100101775
- Publication date Apr 29, 2010
- Sven Revheim
- E21 - EARTH DRILLING MINING