Home >  Term: Junk retriever
Junk retriever

A special tool made up on the bottom of the drill stem to pick up junk from the bottom of the hole. Most junk retrievers are designed with ports that allow drilling fluid to exit the tool a short distance off the bottom. This flow of fluid creates an area of low pressure inside the tool so that the junk is lifted and caught in the retriever by the higher pressure outside the tool. See junk, junk basket.

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  • ส่วนหนึ่งของคำพูด: noun
  • อุตสาหกรรม/ขอบเขต: Oil & gas
  • Category: Drilling
  • Company: PETEX

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