Paul Vorkinn

Follow

Person

Lillehammer, NO

People

Patents Applicationslast 30 patents

Information Patent Application
Well screen primary tube gravel pack method
- Publication number 20050082060
- Publication date Apr 21, 2005
- Stephen L. Ward
- E21 - EARTH DRILLING MINING
Information Patent Application
Alternate path gravel packing with enclosed shunt tubes
- Publication number 20050061501
- Publication date Mar 24, 2005
- Stephen L. Ward
- E21 - EARTH DRILLING MINING