Patent Number: 7,708,088

Title: Vibrating downhole tool

Abstract: A vibrating downhole tool comprising a housing, an inner mandrel disposed within the housing and configured to receive a drilling fluid, a mass coupled to the inner mandrel, and a plurality of turbine blades configured to receive the drilling fluid and to rotate the inner mandrel and the mass, thereby causing the vibrating downhole tool to vibrate.

Inventors: Allahar; Ian (Houston, TX), Mercado; Jose (Humble, TX), Grigor; Charles (Houston, TX)

Assignee: Smith International, Inc.

International Classification: E21B 7/24 (20060101)

Expiration Date: 5/04/12018