Inventor
GILLIES IAN
GB4 patents
Patents
4 patentsUS6675897B1Jan 13, 2004
Downhole bypass valve
SMITH INTERNATIONAL24 citations91
US6484802B1Nov 26, 2002
Downhole scraper assembly
SMITH INTERNATIONAL22 citations91
US6431273B1Aug 13, 2002
Inflatable packer
SMITH INTERNATIONAL22 citations91
US6702014B1Mar 9, 2004
Deflector tool for deflecting items through a window in borehole casing
SMITH INTERNATIONAL9 citations72