国家/地区 中国（4）
IPC部 C（4）
IPC大类 C09（4） C04（2）
IPC小类 C09K（4） C04B（2）
IPC C09K008/467（4）
发明人 MIAO X（2） ZHOU S（2）
公开年 2023（4）
申请年 2021（3） 
专利权人 CHINA PETROL.（2） SINOPEC RES .（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

Oil well cement retarder useful in the field of oil fields, comprises reinforcing agent, stabilizing agent, tartaric acid, sodium glucoheptonate, sodium gluconate and deionized water.

MU H, MIAO X, WEI H, LIU X, WANG M, ZHOU S, LIU J

Polymer oil-based crosslinking curing plugging agent for drilling fluid, comprises modified epoxy resin, curing agent, curing regulator and reinforcing agent.

LIU Z, ZHANG J, ZHAO Z, ZHANG K, LI M, DENG Z, HE J, XIE X, CHENG K

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