国家/地区 欧洲专利局（EPO）（2）
IPC部 C（2） E（2）
IPC大类 C09（2） E21（2）
IPC小类 C09K（2） E21B（2）
IPC
发明人
公开年
申请年
专利权人 BAKER HUGHES INC（2）

Fluid composition used in drilling comprises non-aqueous base fluid e.g. brine-in-oil emulsion and water-in-oil emulsion, and nanoparticles such as graphene, nanorods, nano-titanium oxide platelets, and nano-oxides.

MONTEIRO O, ELLIS D R, MONTEIRO O R, ELLIS D

Coated diamond particle used in fluid suspensions, polymers, elastomers, polycrystalline compact and earth-boring tools comprises a solid core comprising diamond; and graphene layer over a portion of the solid core.

CHAKRABORTY S, DIGIOVANNI A A, AGRAWAL G, SCOTT D E, MATHUR V, DIGIOVANNI A, SCOTT D, ANTHONY A D, DANNY E S, DIGIOVANNY A A, AGRAVAL G