Eccentric shoe spring-loaded BUR-BEN

For guiding of casing string when lowering in open hole, flushing of bottomhole and casing annulus.
Eccentric shape of nose piece provides guiding and facilitates string lowering.

Shoe is spring-loaded and can rotate under axial load by 60 degrees in a single reciprocating motion.

Shoe nose piece is made of easy-to drill-out alloy, which allows taking high axial loads when lowering and quick drilling out during normalization.
SPECIFICATIONS