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公开(公告)号:US20180022980A1
公开(公告)日:2018-01-25
申请号:US15551086
申请日:2016-02-24
Applicant: BASF SE
Inventor: Peter LEIDINGER , Radoslaw KIERAT , Bernhard FEICHTENSCHLAGER , Kristina BRANDT
CPC classification number: C09K8/467 , C04B16/0641 , C04B20/1077 , C04B22/0086 , C04B28/02 , C04B28/04 , C09K8/03 , C09K2208/08 , E21B33/14 , Y02W30/97 , C04B20/0048 , C04B24/267 , C04B16/0625 , C04B16/0633 , C04B18/24
Abstract: The present invention relates to the use of modified fibers in oilfield applications, particularly in borehole cementing. Said fibers have crystallization seeds attached to their surfaces thereby improving the mechanical strength and ductility of borehole cements.