Inventor
HARRISON JR ROBERT D
US3 patents
Patents
3 patentsUS5146994ASep 15, 1992
Packing assembly for use with reeled tubing and method of operating and removing same
OTIS ENG CO41 citations90
US5000265AMar 19, 1991
Packing assembly for use with reeled tubing and method of operating and removing same
OTIS ENG CO20 citations80
US4846270AJul 11, 1989
Trash barrier tool for wells
OTIS ENG CO6 citations60