国家/地区 中国（7）
IPC部 E（7） C（5） B（2）
IPC大类 E21（7） C09（4）
IPC小类 E21B（7）
IPC
发明人 ZHANG X（2）
公开年 2023（7）
申请年 2022（7）
专利权人

Petroleum thermal collector for excavating oil in petroleum storage place, has snake-shaped oil pipe whose discharging end is fixed with glass observing window through bolt, where end of box body is installed with temperature controller.

JIN D

Composition useful for conductive propping agent, comprises aggregate core, high molecular material, conductive agent, curing agent and surface modifying agent, where high molecular material includes thermoplastic resin and water-soluble high molecular material.

NIU Y, ZHOU Y, LIU F, LI Y, XU Q

Oil-displacing agent comprises graphene oxide-carbon nanotube compound, where graphene oxide-carbon nanotube composite is sheet-fibrous composite structure, and prepared by mixing graphene oxide powder and carbon nanotube powder, stirring and grinding in powder state to obtain mixed powder.

LU X, WANG M

Oil-resistant rubber core material used in oil-resistant core, comprises rubber matrix, carbon black, vulcanizing agent, anti-aging agent, accelerator, plasticizer, lubricant, and heat-conducting material.

LI C, JIANG L, LIU Q, LI S, REN W, LEI Y, WU Q, TANG G, ZUO X, LIU X

Preparation of high-performance thread used in oil and gas application, by processing steel threads, spraying polyurea elastomer on surface of external thread, curing polyurea elastomer, applying long-chain polymer glue on surface of thread and spraying solid lubricating particles on polymer glue.

SI X, WANG K, LI H, FANG X, YANG T, LV S, LUO Y, ZHANG X, NAN B, YANG Z, TUO C, ZHANG Y

Preparing composite weakly-gel material in oil displacement agent for oil field development, involves uniformly dispersing graphene oxide in aqueous solvent to obtain graphene oxide suspension and adding partially hydrolyzed polyacrylamide to the graphene oxide suspension.

WANG N, YAO Y, ZHANG X

Reducing friction and torsion of water-based drilling fluid involves pumping thick slurry to well bottom, well washing, pumping slurry containing first liquid lubricant, to well bottom, pumping well mud containing solid lubricant to well bottom, drilling, where well mud supplements second lubricant.

HE M, XU P, YOU F, HUANG Z, WANG T, WU Y, XU M, BAN G