CUTTING ELEMENTS FOR DRILL BITS FOR DRILLING SUBTERRANEAN FORMATIONS AND METHODS OF FORMING SUCH CUTTING ELEMENTS

摘要

A cutting element for use in a drill bit for drilling subterranean formations includes a cutting body having a substrate, and a superabrasive layer overlying an upper surface of the substrate. The cutting element further includes a sleeve including another superabrasive layer and surrounding the peripheral side surface of the cutting body.

主权项

1. A cutting element for use in a drill bit for drilling subterranean formations, comprising:
a cutting body comprising:
a substantially cylindrical substrate comprising an upper surface; anda first superabrasive layer overlying the upper surface of the substrate; and a sleeve comprising a second superabrasive layer surrounding the first superabrasive layer, wherein the sleeve is mechanically connected to the cutting body by a connection selected from the group consisting of an interlocking fit connection, an interference fit connection, a grooved connection, a threaded connection, a taper lock connection, and combinations thereof.