Cement composition based on calcium aluminate cement

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Nov 4, 2014
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Sep 26, 2011
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Jun 1, 2011

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Abstract

The present invention relates to a current composition for cementing oil or gas wells. The composition comprises calcium aluminate cement in which the proportion of HC₂0₃is at least 50% by weight, dispersant, microsilica, mineral particles, water and optionally a retarder.

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ELKEM ASA	OSLO

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Inventor Name	Address	# of filed Patents	Total Citations
Peng, Hong	Kristiansand, CN	49	1549
Revil, Phillippe	Viuz la Chiesaz, FR	1	5

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Cement composition based on calcium aluminate cement

Number of patents in Portfolio can not be more than 2000

United States of America Patent

14116154

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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 04, 2014	US,8876968,B2 US8876968B2	GRANTED PATENT AS SECOND PUBLICATION
April 24, 2014	US,20140109799,A1 US20140109799A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	8876968
SERIAL NO	14116154
DOCKET NO

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14116154

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