Petrus A. J. Stevens

Follow

Person

Brighton East, AU

People

Patents Grantslast 30 patents

Information Patent Grant
Wellbore apparatus and methods for zonal isolations and flow control
- Patent number 9,303,485
- Issue date Apr 5, 2016
- Exxonmobil Upstream Research Company
- Michael T. Hecker
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Wellbore Apparatus and Methods For Zonal Isolations and Flow Contgrol
- Publication number 20130248178
- Publication date Sep 26, 2013
- Michael T. Hecker
- E21 - EARTH DRILLING MINING