The Analysis of The Applied Speed-up tool of Deep Strata in The Eastern South China Sea
In recent years,the speed-up method that has been used in the eastern part of the South China Sea is motor+PDC bit and rotary guide with PDC bit,and the speed-up effect is more obvious,but with the increasing pressure of cost reduction and efficiency increase,it is necessary to further improve the mechanical drilling speed,improve the operation timeliness and reduce the operation cost.This paper analyzes two kinds of speed-up tools tried in a well in the eastern part of the South China Sea,namely hydraulic hammer and torsion punching tool,and makes an in-depth analysis of the working principle and speed-up effect of these two speed-up tools.
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