Invention Grant
- Patent Title: Use of CSH-seed modified fibers in oil field applications
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Application No.: US15551086Application Date: 2016-02-24
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Publication No.: US10214676B2Publication Date: 2019-02-26
- Inventor: Peter Leidinger , Radoslaw Kierat , Bernhard Feichtenschlager , Kristina Brandt
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Curatolo Sidoti Co., LPA
- Agent Joseph G. Curatolo; Salvatore A. Sidoti
- Priority: EP15156904 20150227
- International Application: PCT/EP2016/053837 WO 20160224
- International Announcement: WO2016/135182 WO 20160901
- Main IPC: E21B33/13
- IPC: E21B33/13 ; C09K8/467 ; C04B28/02 ; C04B20/10 ; C09K8/03 ; C04B16/06 ; C04B22/00 ; C04B28/04 ; E21B33/14
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.
Public/Granted literature
- US20180022980A1 USE OF CSH-SEED MODIFIED FIBERS IN OIL FIELD APPLICATIONS Public/Granted day:2018-01-25
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