国家/地区 中国（8）
IPC部 C（8）
IPC大类 C09（8） C01（3） C08（2）
IPC小类 C09K（8）
IPC C01B032/184（3） C09K008/03（3） C09K008/12（3）
C09K008/16（3） C09K008/24（3） C09K008/36（3）
发明人 ZHOU C（8）
公开年 2022（4） 2023（2）
申请年 2022（5）  2021（2） 
专利权人 DRILLING ENG.（3） SINOPEC OILF.（3）

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

Reagent having high selectivity useful for rapid detection of zinc ions, comprises aqueous solution of graphene quantum dots with alizarin red on the surface prepared by two-step hydrothermal method.

CHEN L, SUN W, QI L, LIU B, QIAN L, ZHOU C, TANG S, CHENG R

Improving soil quality by quality restoration method, comprises e.g. washing vermiculite with water, drying, calcining in muffle furnace, stirring treatment, increasing pressure, heat soaking, expanding, mixing soil, centrifuging and drying, carbonization treating and drying.

ZHOU C

Modifying aqueous and oil-based drilling fluids by aza-graphene nanosheets involves preparing aza-graphene nano-sheet with high nitrogen content into aqueous solution and then mixing with the existing aqueous or oil-based drilling fluid, and using inorganic salts.

LIU S, GONG G, CHEN J, LI L, DENG Y, ZHANG Z, LI J, ZHOU C, LUO C, ZHANG H

High-temperature resistant heat-conducting wave absorbing plate comprises liquid silicone rubber, cross-linking agent, platinum catalyst, inhibitor, heat conducting powder, and absorbing powder.

LI J, ZHOU C

Ultra-high temperature modified polymer cementing fluid loss reducing agent useful in e.g. deep well ultra-deep well, comprises graphene oxide, initiator, 2-acrylamido-2-methylpropanesulfonic acid, unsaturated amide, unsaturated carboxylic acid, and water.

ZHANG S, DING Z, ZHOU C, LV B, SHEN J, LIU Z, ZHANG C, LIU H, ZHANG H, XU M, QI F, LIU S, JIN J, XU P, YU Y, XIA X

Method for preparing graphene and high temperature inorganic salt phase change composite material for industrial production, involves dispersing graphite oxide in water, centrifuging obtained mixture and collecting supernatant layer.

ZHANG D, ZHANG Z, ZHOU C