Taper tap and Box bell

Taper tap Taper tap is a fishing tool which can fish drill pipe, oil tube, wash over pipe, packer,water flow regulator and down hole production allocator etc. with water hole through tapping on their water hole wall. This tool has high success ratio when it is used for the fish with collar. It can work together with right or left hand drill pipe as well as other tools to fit different fishing processes. Box bell Box bell is a fishing tool by cutting thread on the OD of the fish like the drill pipe and oil tube. It can be used for the cylindrical fishes