国家/地区 中国（3）
IPC部 C（4）
IPC大类 C09（4） C01（2）
IPC小类 C09K（4） C01B（2）
IPC C09K008/03（4）
发明人 GONG G（2） LI L（2） LUO C（2）
ZHANG Z（2） ZHOU C（2）
公开年 2023（4）
申请年 2022（3） 
专利权人 DRILLING ENG.（2） SINOPEC OILF.（2）

Temperature-resistant and oil-resistant composite graphite plugging agent for oil-based drilling fluid, comprises graphene oxide, modified graphene oxide, and polymer/graphene oxide with polyester, polyamide and/or polymethyl silicone resin.

LI Q

Inverse emulsion fluid used for e.g. offshore and on-shore drilling of natural resources from oil wells, comprises dispersed phase comprising glycerol, or mixture of glycerol and water, and continuous phase including olefin, paraffin, mineral oil, vegetable oil, animal oil and ester.

SANTOS BORGES S

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