国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C09K008/03（3）
发明人 DENG Y（3）
公开年
申请年 2022（2） 
专利权人 DRILLING ENG.（2） SINOPEC OILF.（2）

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

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

Use of amino acid-modified graphene oxide as coating agent in water-based drilling fluid for oil and gas drilling, which is prepared by contacting graphene oxide with amino acid in aqueous solvent in the presence of basic compound.

XIAO F, JIANG G, MA G, DENG Y, WANG K, YANG L, LI X, HUANG P, YANG Y, YU Y, GE L