86628171
May 13, 2015
Aug 8, 2017
Oil and gas downhole well completion and work over system and system components, namely, fracturing sleeves, ports, activation subs that allow for activation of other components in the drillstring, liner top packers and latches, anchor packers, activation shoes in the nature of a port and sliding sleeve that allow fluid to be pumped out of the casing, and frac balls
Machinery