A method for installing a perforating gun in a work string on a drill rig.

摘要

A method for installing a perforating gun in a work string on a drill rig comprises, at a site other than the drill rig, making a first perforating gun assembly by assembling an upper connector and a lower connector to opposite ends of a perforating gun, said connectors each having a coupling adapted for connection to standard drill pipe couplings, transporting the first assembly to a drill rig, and using automatic pipe handling equipment to connect the first assembly into a work string. The perforating gun assembly is suitably that in our copending UK patent application no. 0608482.6 or 0412767.6.