Patent Number: 8,820,407

Title: Flow diverter ring for reducing wear in mud saver valves

Abstract: A valve assembly includes a main housing having a central bore therethrough, an upper valve subassembly disposed within the main housing, the upper valve subassembly including an upper seat configured to contact a corresponding lower seat of a lower valve subassembly, and a flow diverter ring disposed proximate the upper seat of the upper valve subassembly, wherein the flow diverter ring is configured to direct a fluid flow radially away from the upper seat of the upper valve subassembly.

Inventors: Mohon; Brian (Spring, TX), Saheta; Vishal (Houston, TX)

Assignee: Smith International, Inc.

International Classification: E21B 43/12 (20060101)

Expiration Date: 9/02/12018