Peter Williamson

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Schriesheim, DE

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Patents Applicationslast 30 patents

Information Patent Application
DOWNWELL SYSTEM WITH ACTIVATABLE SWELLABLE PACKER
- Publication number 20090205841
- Publication date Aug 20, 2009
- Jurgen Kluge
- E21 - EARTH DRILLING MINING
Information Patent Application
ON-SITE ASSEMBLABLE PACKER ELEMENT FOR DOWNWELL PACKING SYSTEM
- Publication number 20090205842
- Publication date Aug 20, 2009
- Peter Williamson
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNWELL SYSTEM WITH DIFFERENTIALLY SWELLABLE PACKER
- Publication number 20090205817
- Publication date Aug 20, 2009
- Eric J. Gustafson
- E21 - EARTH DRILLING MINING