Drilling Jars are hydro-mechanical devices used in downhole (oil & gas reservoir) applications. They have the ability to deliver an impact load on other components. Drilling jars are downhole tools used to impart heavy blow (impact load) to the downhole assembly. This is especially done to remove a component stuck downhole. Mechanical and hydraulic drilling jars are the primary types of drilling jars. In terms of design, these types of jars are different; however, based on operation, ... Read more