Coiled tubing use in the Western Operating Area of the Prudhoe Bay oil field in the Alaska Arctic increased to over 750 operations in 1989. Coiled tubing is routinely used to run inflatable bridge plugs and packers, and electric line logging tools as well as performing a variety of stimulation, remedial cementing and clean-out operations. Development of fishing capability is the logical extension of coiled tubing technology in this field given this high activity level. During the second half of 1989, 21 fishing operations were attempted using coiled tubing with an 81 % success rate.Cost savings in excess of $2MM were realized in the initial phase of this project. post fracturing inflatable bridge plug fishing and fishing an inflatable bridge plug buried by large pieces of cement.
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