MULTI-COMPONENT DISAPPEARING TRIPPING BALL AND METHOD FOR MAKING THE SAME

Title:

MULTI-COMPONENT DISAPPEARING TRIPPING BALL AND METHOD FOR MAKING THE SAME

Document Type and Number:

WIPO Patent Application WO/2011/071906

Kind Code:

A3

Abstract:

A tripping ball including two or more relatively dissolution resistant parts of a ball and an adherent dissolvable material binding the two or more parts of the ball together and method for making a tripping ball as described.

Inventors:

AGRAWAL GAURAV (US)
XU ZHIYUE (US)

Application Number:

PCT/US2010/059263

Publication Date:

November 03, 2011

Filing Date:

December 07, 2010

Export Citation:

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Assignee:

BAKER HUGHES INC (US)
AGRAWAL GAURAV (US)
XU ZHIYUE (US)

International Classes:

E21B34/06; C22C1/05

Foreign References:

US5941309A	1999-08-24
US20060131031A1	2006-06-22
US6189618B1	2001-02-20
US5479986A	1996-01-02

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