Karl Michael Tunstall

Follow

Person

Dallas, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Drill string/annulus sealing with swellable materials
- Patent number 8,353,355
- Issue date Jan 15, 2013
- Halliburton Energy Services, Inc.
- Lee M. Smith
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
COAL BED GAS WELL APPARATUS AND METHOD WITH MINABLE NON-SPARKING TU...
- Publication number 20140318805
- Publication date Oct 30, 2014
- Halliburton Energy Services, Inc.
- Alan Brian WEBB
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL STRING/ANNULUS SEALING WITH SWELLABLE MATERIALS
- Publication number 20120006569
- Publication date Jan 12, 2012
- Halliburton Energy Services, Inc.
- Lee M. SMITH
- E21 - EARTH DRILLING MINING