Field removable choke for mounting in the piston of a rotary percussion tool
作者： Amnach Kongamnach , Anthony Plana
DOI:
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摘要: A choke assembly for controlling air flow into a piston of percussion tool downhole drilling includes and adapter. The comprises body opening in the fluid to therethrough. further one or more arm slots formed between an inner wall outer body. are designed receive arms change tool. adapter has extending through is sized fit opening. removable from after inserted
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