CASING SHOESOur diamond casing shoes designs, both surface-set and impregnated, are used to seat the casing tubes in bedrock or to ream the casing tubes downward in a drilled hole.Surface-set diamond casing shoes are recommended for soft to medium hard formations while impregnated casing shoes are recommended for hard and fractured formations.The inside diameter of the casing shoe is not set with diamonds and fits with the outside diameter of the reaming shell, permitting free passage of rods, core bits, core barrels and reaming shell, thus obtaining maximum performance
Más información sobre este producto consulte en: http://www.diamantinachristensen.com/diamond_casing.html