国家/地区 中国（5）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/184（6）
发明人 LI L（6）
公开年 2021（2） 2022（2） 2023（2）
申请年 2022（3）  2021（2） 
专利权人 DRILLING ENG.（3） SINOPEC OILF.（3） TAIXING ZHIF.（2）

Use of high aza-graphene nanosheet for water-based drilling fluid, where water-based drilling fluid is added with high aza-graphene nanometre sheet, high aza-graphene nano sheet is prepared by premixing raw material inorganic salt, carbon-containing compound and nitrogen-containing organic compound.

GONG G, ZENG C, CHEN H, LI L, ZHANG X, ZHANG Z, WANG F, LUO C, ZHOU C

Application of high-nitrogen heterographene nanosheet in oil-based drilling fluid e.g. white oil-based drilling fluid.

LIU S, GONG G, CHEN J, LI L, DENG Y, ZHANG Z, LI J, ZHOU C, LUO C, ZHANG H

Producing graphene composite film useful in heat dissipation material for ultra-large-scale consumer electronics, comprises vacuum pressing an expanded graphite powder and a graphene film to obtain the graphene composite film.

ZHOU Y, LIU X, WANG W, LI L, CHENG W

Modifying aqueous and oil-based drilling fluids by aza-graphene nanosheets involves preparing aza-graphene nano-sheet with high nitrogen content into aqueous solution and then mixing with the existing aqueous or oil-based drilling fluid, and using inorganic salts.

LIU S, GONG G, CHEN J, LI L, DENG Y, ZHANG Z, LI J, ZHOU C, LUO C, ZHANG H

Graphene composite radiating film useful for preparing radiating material, prepared by carbonizing graphene film, subjecting expanded graphite powder to microwave treatment, and vacuum pressing expanded graphite powder and graphene film.

ZHOU Y, LIU X, WANG W, LI L, CHENG W

Preparing the graphene modified polymer composite material comprises comprising e.g. preparing natural crystalline flake graphite by Hummers method to form graphene oxide, dispersing in aqueous solution and performing ultrasonic treatment.

CHEN J, HE M, LI L, WANG K, XUE Y, HE Y, WANG Y, ZHANG J, LU Y, LU X, LU P, WU Y, FU X, LUO G, YANG X, LIU G, LIU Y, YE W