Youel G. Hilsman

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Friendswood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Subsurface annular safety barrier
- Patent number 7,543,652
- Issue date Jun 9, 2009
- Schlumberger Technology Corporation
- Peter Krawiec
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method to seal by bringing the wall of a wellbore into s...
- Patent number 7,152,689
- Issue date Dec 26, 2006
- Schlumberger Technology Corporation
- Youel G. Hilsman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsurface annular safety barrier
- Patent number 7,140,447
- Issue date Nov 28, 2006
- Schlumberger Technology Corporation
- Peter Krawiec
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method to seal by bringing the wall of a wellbore into s...
- Patent number 7,063,164
- Issue date Jun 20, 2006
- Schlumberger Technology Corporation
- Youel G. Hilsman
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Subsurface Annular Safety Barrier
- Publication number 20070034380
- Publication date Feb 15, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Peter Krawiec
- E21 - EARTH DRILLING MINING
Information Patent Application
System and Method to Seal by Bringing the Wall of a Wellbore into S...
- Publication number 20060180320
- Publication date Aug 17, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Youel G. Hilsman
- E21 - EARTH DRILLING MINING
Information Patent Application
Setting Tool for Hydraulically Actuated Devices
- Publication number 20050230122
- Publication date Oct 20, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Brian W. Cho
- E21 - EARTH DRILLING MINING
Information Patent Application
System and Method to Seal by Bringing the Wall of a Wellbore into S...
- Publication number 20050217849
- Publication date Oct 6, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Youel G. Hilsman
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsurface annular safety barrier
- Publication number 20040129433
- Publication date Jul 8, 2004
- Peter Krawiec
- E21 - EARTH DRILLING MINING