ISI

Oil and gas equipment, namely, downhole tools in the nature of wireline tools for use in oil and gas wells, impact tools for dislodging tools stuck in a borehole, energizing tools used to store and release energy to impart an impact downhole, jarring tools, shock tools, hydraulic jar, mechanical jars, orienting tools and kickover tools; downhole friction reducing tools; downhole tools for maintaining standoff and reducing contact with a wellbore; downhole conveyors comprising at least one roller to reduce friction during conveyance within a well; downhole hydraulic intensifiers, accelerators, and shock absorbers, all being parts of machines