Smith International, Inc.

Sandvik Intellectual Property Ab

Parag Konde

James Layne Larsen

Robert H Slaughter, Jr

Dwayne P Terracina

Amol Bhome

Andrew Grebe

Srinivas Likki

Sukhveer Singh Kalsi

A bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts, and a lip disposed adjacent the second set of inserts. Also, a bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts and at least one groove disposed axially above at least one of the inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts.

Flow control through thrust bearing assembly

A modular back reamer to be used in subterranean drilling includes a drive stem connected to a drill string and configured to support a reamer body, the reamer body providing a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly at varying heights within a predetermined range, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height within the predetermined range, wherein the cutting leg assembly is secured to the reamer body with at least one mechanical fastener.

Modular system for a back reamer and method

Growing community of inventors

Spring, TX, United States of America

Parag Konde