NS type Non-Rotating Scrapers

KW-NS type Non-Rotating Scrapers is one kind of new type non-rotating casing scraper

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Description

NS type Non-Rotating Scrapers is one of auxiliary tools in well completion, testing and downhole working, It is mainly used for cleaning cement, sand, residual bullets, rag, and other objects on casing inner surface, in order to keep casing inner surface cleaning and the drilling tools working normally. KW-NS casing scraper can't be used in drilling operation.
It is one kind of new type non-rotating 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-rotating, otherwise decrease adjustable pad. It will be used as a rotating casing scraper.

Model	Scraping Range (mm)	OAL (mm)	ID (mm)	Conn.	Casing Size (inch)
NS-4 1/2	89~101(31/2~4)	1050(4111/32)	16(5/8)	23/8REG	41/2
NS-5	97~113(313/16~47/16)	1050(4111/32)	19(3/4)	23/8REG	5
NS-51/2	115～125(49/16~415/16)	1070(421/8)	19(3/4)	27/8REG	51/2
NS-7	136.5～160 (53/8~65/16)	1160(451/32)	31.8(11/4)	NC38	7
NS-9 5/8	188.9～223(77/16~83/4)	1240(4813/16)	71.4(213/16)	NC50	95/8
NS-13 3/8	305～325(12~121/32)	1562(611/2)	71.4(213/16)	65/8REG	133/8