Hydraulic stabilizer for bore hole tool

Details Hydraulic stabilizer for bore hole tool Hydraulic stabilizer for bore hole tool

E - Fixed Constructions

21

B

166/62

E21B 17/10 (2006.01) E21B 23/04 (2006.01) E21B 29/00 (2006.01)

Patent

CA 1286982

HYDRAULIC STABILIZER FOR BORE HOLE TOOL Abstract of the Disclosure A stabilizer (36) mounted on a mandrel (14) of a workstring (12) within a casing (10) of a well bore hole. The stabilizer (36) has an upper carrier (38) fixed to the mandrel (14) and a lower carrier (40) mounted on the mandrel (14) for relative sliding movement. Shoes (70) are mounted by links or arms (64, 74) to bearing housings (50, 80) on the carriers (38, 40). The bearing housings (50, 80) are mounted for relative rotation on the carriers (38, 40) and permit the mandrel (14) and workstring (12) to rotate relative to the shoes (70) upon fluid actuation of lower carrier (40) and engagement of the casing (10) by the shoes (70).

558584

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