国家/地区 中国（9）
IPC部 C（9）
IPC大类 C04（9）
IPC小类 C04B（9）
IPC C04B028/00（9）
发明人
公开年 2021（4） 2022（2）
申请年 2020（4）  2021（3） 
专利权人 CHINA PETROL.（2） SINOPEC RES .（2）

Cement slurry system useful in drilling process in metal-free metal sleeve pipe cementing process, comprises cement, particulate aggregates, active powders, nano-filling materials, toughening materials, early strength agents, water reducers and water.

LIU K, GAO Y, MIAO X, LU P, ZHOU S, LIU R

Long-term high temperature resistant, toughened cementing and sanding cement composite material useful in oil well cementing, comprises cement, alumina, ultrafine high-purity silica sand, additives, toughening materials, water, nano iron oxide and oil well cement admixture.

CHENG G, LI H, PANG X, QIN J

Crushing ground layer plug fixing wall agent useful in crushing stratum drilling, comprises cement, cementation strengthening agent, surface modified microcapsule curing agent, interface strengthening agent and water.

ZHANG F, WANG L, ZHANG D, ZHAO S, SONG B, WANG W, CHEN Z, LI F, LI D

Preparing stain-resistant integrated wall and floor decorative panel involves weighing diatomaceous earth, cement, silica fume, sepiolite fiber, bentonite, water, adding sepiolite fiber and water into the reactor.

LEI X

Temperature-responsive cementing slurry comprises oil well cement, bidirectional intelligent temperature control material, mixing water, dispersant, and fluid loss agent.

HUO J, CHE Y, ZHANG C, LIU H, ZUO W, YU B

Preparation of graphene high-strength cement composite for e.g. building, involves mixing graphene vinylon fiber with cement, stirring with foaming agent and water to form composite and spraying graphene high-strength coating on composite.

SHA Y, SHA X, MA L

Stabilizing method of mercury-contaminated soil by preparing molybdenum disulfide/reduced graphene oxide composite nanoparticles, pre-adsorbing mercury-contaminated soil, mixing with e.g. distilled water and alkali activator, and curing.

CAO Z, GU Z, LIANG F, HUANG T, GUO J, ZOU B, YANG Y, WEI Z, WANG J, XU Q

Bactericide composition for epidemic preventing and sterilizing public places and/or public equipment, comprises graphene, photocatalyst, aerogel, resin, silver ion and copper ion.

YU G

Concentrated graphene polymer useful for oil and gas exploitation, and geothermal development comprises graphene nanoflake core, double soluble surfactant, and nonionic surface active gel.

FU R, FU W, FU L, NIU H