Inventor
NORRIS STEPHEN J
US4 patents
Patents
4 patentsUS6427776B1Aug 6, 2002
Sand removal and device retrieval tool
WEATHERFORD LAMB130 citations98
US6978841B2Dec 27, 2005
Sand removal and device retrieval tool
WEATHERFORD LAMB22 citations92
US6719056B2Apr 13, 2004
Sand removal method
WEATHERFORD LAMB6 citations73
US6640904B2Nov 4, 2003
Sand removal and device retrieval tool
WEATHERFORD LAMB8 citations73