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US 2018/0022980 A1Published application
Use of csh-seed modified fibers in oil field applications
AssigneeBASF SE
InventorsPeter LEIDINGER, Radoslaw KIERAT, Bernhard FEICHTENSCHLAGER, Kristina BRANDT
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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.
Claims13
A method of utilizing fibers in the development, exploitation and completion of underground mineral oil and natural gas deposits and in deep wells, comprising providing therefor reinforcing fibers, wherein calcium silicate hydrate crystallization seeds are attached to said fibers via linker moieties.
Dependencies are inferred from the claim text.