Hydraulic jars for slickline are generally meant to jar up only, because not enough sinker bar is able to feasibly be lubricated in to jar down on the downhole tools. Hydraulic jars work by the operator pulling up on the line, which puts an upward force on the top of the hydraulic jars.
Silicon was discovered by Joens JÃ¶ns Jacob, berzelius A swedish, chemist in 1824 by heating chips of potassium in a silica container and then carefully washing away the residual-by. Products silicon is the seventh most abundant element in the universe and the second most abundant element in the'earth s. crust
An ex-Apple employee has written a letter online saying that founder and former CEO Steve Jobs used alien technology to innovate and advance Appleâs product line. The insider says that in 1972, Apollo 20 astronauts discovered a mysterious device of alien origin laying on the surface of the moon. In 1978, Steve Jobs was contacted by NASA to investigate what the device was. It was shortly after this that Apple began developing technology that was âway ahead of its timeâ with Steve Jobs at the helm.