Description:

JY casing scraper is one of auxiliary tools in well completion, testing and downhole working, It is mainly used for cleaning cement, sand, residual bullets, rag, and otherobjects on casing inner surface, in order to keep casing inner surface cleaning and the drilling tools working normally. JY casing scraper can't be used in drilling operation. 

It is one kind of new type casing scraper, not only as general fixed casing scraper, but also used as a rotating type structure casing scraper. If as a fixed casing scraper, as long as increase adjustable pad locates in upper sub to make it non-rotate, otherwise decrease adjustable pad. It will be used as a rotating casing scraper

The main function of casing scrapers is toremove the inner wall of the casing pipe cement, sand, residual bullets, Nick, paraffin wax, burr and other attached objects and to keep the casing wall cleaning for the operation of drilling tools. Packer and the similar tools must have a clean joint surface, but the attachments in the big tube surfacewouldfrequently interfere with the normal work of these tools.

Specification: