国家/地区 中国（8） 美国（8） 世界知识产权组织（6） 欧洲专利局（EPO）（3） 加拿大（2）
IPC部 C（14）
IPC大类 C09（14） E21（5） C01（3）
C07（2） C08（2） C10（2）
IPC小类 C09K（14） E21B（5） C01B（3）
IPC C09K008/03（14）
发明人 HUANG J（2） LI W（2） LIANG F（2）
公开年 2021（14）
申请年 2020（9）  2021（4） 
专利权人 SAUDI ARABIA.（6） ARAMCO SERVI.（5）

Composition useful e.g. for inhibiting hydrate decomposition, comprises starch-based surfactant including carboxymethyl starch salt and alkyl glycoside surfactants.

YAN K, XIAO A, MU S, HU X, REN Y, ZHANG H, LIN Y, LV C, WANG Q

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

Preparation of nano-micro-emulsion plugging agent used for drilling fluid, by dispersing powder in deionized water, adding hydroxyethyl cellulose, modified graphene and chitosan nano gel, stirring, adding and liquid paraffin and heating.

CHEN H

Polymer composite hydrogel for water shutoff, comprises polymer composite, water, organic crosslinker, and salt, where polymer composite comprises nanosheet filler dispersed throughout polymerized polyacrylamide.

MICHAEL F M, ALSHARAEH E, ALMOHSIN A

Composition comprises suspension package, suspension packaging includes solids for suspending in one or more liquids, solids comprises diamond dust, nano-diamonds, or combinations, tungsten, graphite, graphene.

WIMAN S, CARREJO N

Externally-flexible internal rigid oil-based drilling fluid nano-plugging agent used in oil-based drilling fluid, comprises nano-rigid material, benzene ring monomer, olefin containing carbon-carbon double bond and sodium methallyl sulfonate.

XIE G, LEI Z, DENG M, LUO Y, FAN L, CHEN Y, CAO S, HUANG G, GU S, WANG R

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

Producing reversible hemiaminal or aminal gel composition used in 3D printing, involves preparing liquid precursor composition, where liquid precursor composition operable to remain in first liquid state at about room temperature.

BOUL P

Servicing wellbore extending from surface of earth and penetrating subterranean formation, comprises recovering aqueous-based wellbore servicing fluid from wellbore and removing water from aqueous-based wellbore servicing fluid.

SHUMWAY W W, JAMISON D E