ALLOYS WITH LOW COEFFICIENT OF THERMAL EXPANSION AS PDC CATALYSTS AND BINDERS - Patent 2593630

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EP 2 593 630 A1

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(43)	Date of publication:
	22.05.2013 Bulletin 2013/21

(21)	Application number: 11807354.3

(22)	Date of filing: 11.07.2011

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International Patent Classification (IPC):

E21B 10/567^(2006.01)

(86)	International application number:
	PCT/US2011/043589

(87)	International publication number:
	WO 2012/009285 (19.01.2012 Gazette 2012/03)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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Priority:

14.07.2010 US 364122 P

(71)	Applicant: Varel International, Ind., L.P.
	Carrollton, TX 75006 (US)

(72)	Inventors:
	THIGPEN, Gary, M. Houston TX 77094 (US) KING, William, W. Houston TX 77069 (US)

(74)	Representative: Smee, Anthony James Michael
	Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)

(54)	ALLOYS WITH LOW COEFFICIENT OF THERMAL EXPANSION AS PDC CATALYSTS AND BINDERS