Ross John Trewhella

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for separating a tubular string from a subsea...
- Patent number 8,393,397
- Issue date Mar 12, 2013
- Halliburton Energy Services, Inc.
- Ross John Trewhella
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Method for Separating a Tubular String from a Subsea...
- Publication number 20110226482
- Publication date Sep 22, 2011
- Halliburton Energy Services, Inc.
- Ross John Trewhella
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of functioning and / or monitoring temporarily installed equ...
- Publication number 20080202761
- Publication date Aug 28, 2008
- Ross John Trewhella
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of controlling landing strings in offshore operations
- Publication number 20080110633
- Publication date May 15, 2008
- Ross John Trewhella
- E21 - EARTH DRILLING MINING
Information Patent Application
Motion compensation system for watercraft connected to subsea conduit
- Publication number 20050103500
- Publication date May 19, 2005
- Ross J. Trewhella
- E21 - EARTH DRILLING MINING
Information Patent Application
Motion compensation system for watercraft connected to subsea conduit
- Publication number 20040099421
- Publication date May 27, 2004
- EXPRO AMERICAS, INC.
- Ross J. Trewhella
- E21 - EARTH DRILLING MINING