Drilling equipment being parts of drilling rigs, namely, downhole device and oil and gas well power tools used in a well during drilling for enabling the pumping of lost circulation material (LCM) used to increase well fluid circulation rates, for wellbore cleanout, for one or more of acidizing, stimulation, coring, workover and various other operations used to resolve various types of well conditions; drilling equipment being parts of drilling rigs, namely, downhole cleaning equipment and co...