国家/地区 中国（5）
IPC部 C（6） B（3）
IPC大类 C01（6） B01（2） C09（2）
IPC小类 C01B（6）
IPC C01B032/184（6）
发明人 ZHANG Z（6）
公开年 2023（6）
申请年 2022（4）  2023（2） 
专利权人 DRILLING ENG.（2） SINOPEC OILF.（2）

Atomic force microscope based graphical method, involves emitting titanium dioxide beam emitted by UV laser beam on probe on same area as ultraviolet laser beam, so that oxidation graphene area is reduced to be graphene, and to form graphene pattern.

WANG M, LIU C, YAO S, PENG X, ZHANG Z

Preparing flexible porous graphene film involves mixing graphene oxide dispersion with a salt solution to obtain salt-containing graphene oxide mixed solution, and pouring salt-containing graphene oxide mixed solution into mold and dried to obtain salt-containing particle graphene oxide film.

LIU S, ZHANG Z

Device used to conversion of feedstock to resultant material having higher degree of crystallinity than feedstock comprises constraining reservoir, electrodes, compression system, alternating current power source and electrical controller.

MANCEVSKI V, LUONG D X, COOKSEY T, WILLIAMS J, MAZOR E, ZHANG Z, JAY B

Preparing graphene composite porous film by fractional laser treatment comprises adding nitrate solution to graphene oxide dispersion to obtain stable solution, dropping stable solution into glass mold, pressing to form film and subjecting film to two-step scanning using semiconductor laser light.

WU D, LAI Z, LEI J, ZHANG Z, YANG Y, SUN W, LI M, CUI J, ZHANG M

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