Башмак обсадной колонны

Casing shoe and Casing shoe bit Every performance Lets the casing shoe effective in applications ranging from very abrasive, lighting fractured formation to loose conglomerates or overburden nationals 1. A hard matrix is durable for use in changing formations with both high and low thrust drilling 2. A medium-hard matrix for use in moderately abrasive and fra-ctured formation Size from AW , BW , NW , HW , PW , SW (include NQ , HQ , PQ drilling rod casing shoe) Crown : flat and "V" type, and other types needed by customers Natural diamond set-surface and impregnated diamond casing shoe