دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

an older perforating method where hardened steel bullets were fired from short barrels and designed to penetrate the casing, cement and formation.

n: The bullet gun that shrinks in the oil tube and outspreads leaf spring out of the oil tube.

n: downhole appliance used to carry out the missions and brought out of the well after all operations,such as the bit,puller and bullet gun and so on

n: a kind of flexible bullet gun which is made form glass,aluminium or ceramics and whose charge strip is fixed on the two parallel steel wire

n: the cylindrical object which is threw in the well so as toinitiate the bullet gun with the mechanic impact force