国家/地区 中国（3） 美国（3） 世界知识产权组织（3）
IPC部 C（5）
IPC大类 C01（5） C09（5）
IPC小类 C01B（5）
IPC C09K008/03（5）
发明人 HUANG J（2） LI W（2） LIANG F（2）
公开年 2021（3） 2020（2）
申请年 2020（5）
专利权人 ARAMCO SERVI.（3） SAUDI ARABIA.（3）

Graphene oxide Janus nanosheet relatively permeability modifier for reducing water permeability in carbonate formation, comprises graphene oxide nanosheet having first and second sides, first and second alkyl groups and functional group.

LI W, LIANG F, HUANG J

Graphene oxide Janus nanosheet crosslinker for carbonate formations, comprises graphene oxide nanosheet has first side and second side, alkyl group bonded to the first side.

LI W, LIANG F, HUANG J

Water-based wellbore fluid comprises aqueous base fluid and modified graphene shale inhibitor that comprises one or more substituents that are covalently bonded to graphene via linking group, one or more substituents is hydrocarbon group.

SALEH T A, ALARFAJ M K, RANA A A

Carbon-based nano-wetting reversing agent useful in drilling fluid, comprises modified nano-graphene oxide, surfactant and solvent I.

ZHAO F, TAO Z, XU J, XU S, YU B, WANG Y

Preparing anionic polyelectrolyte modified graphene oxide used in oil and gas exploitation, involves reacting dopamine hydrochloride with anionic polyelectrolyte and graphene oxide under alkaline conditions.

FAN Y, HE Y, ZHANG T, BAI Y, MA L, WANG Z, LUO P