Downhole magnetic retrieval tool
作者： Sr. Clayton Theriot
DOI:
关键词:
摘要: A tool 10 for suspending in a well retrieves various metal debris from the well, and includes an elongate body 12 within plurality of circumferentially shaped slots 14 . Each slot having radially outward portion with circumferential width less than inward portion. The magnets 16 are provided each slot, one or more stop rings 18 retain while allowing removal slots. may be substantially enclosed non-ferrous carrier 26 outer configuration fitting respective According to method invention, postioned retained by rings, suspended well.
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