Inventor
KOSMALA ALEXANDRE G E
US5 patents
Patents
5 patentsUS6378610B2Apr 30, 2002
Communicating with devices positioned outside a liner in a wellbore
SCHLUMBERGER TECHNOLOGY CORP86 citations96
US6092610AJul 25, 2000
Actively controlled rotary steerable system and method for drilling wells
SCHLUMBERGER TECHNOLOGY CORP620 citations95
US6668935B1Dec 30, 2003
Valve for use in wells
SCHLUMBERGER TECHNOLOGY CORP48 citations94
US6727828B1Apr 27, 2004
Pressurized system for protecting signal transfer capability at a subsurface location
SCHLUMBERGER TECHNOLOGY CORP35 citations92
US6966380B2Nov 22, 2005
Valves for use in wells
SCHLUMBERGER TECHNOLOGY CORP27 citations90