国家/地区 澳大利亚（2） 中国（2） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 C（4）
IPC大类 E21（4） C09（2）
IPC小类 E21B（4）
IPC
发明人 WU B（2）
公开年 2021（4）
申请年 2021（4）
专利权人

Composition useful e.g. for inhibiting hydrate decomposition, comprises starch-based surfactant including carboxymethyl starch salt and alkyl glycoside surfactants.

YAN K, XIAO A, MU S, HU X, REN Y, ZHANG H, LIN Y, LV C, WANG Q

Plugging method for nano-micron developed shale pores, involves adding high temperature resistant reservoir plugging agent to polyamine water-based drilling fluid base slurry and stirring evenly to make a drilling fluid plugging slurry, plugging performance evaluation test of the leakage slurry.

LV A, GUO W, WAN G, CHEN H, XU C, WANG Y, GONG H, ZHENG H, WU B

Adsorbent film for measuring scale content in wastewater by coating film forming solution onto vessel wall for holding wastewater sample, is formed from solution prepared from raw materials with graphene power or modified graphene powder.

YU T, SONG J, QU C, WU B, HU H, ZHANG X, YAN Y, YANG B, LI J

Composite tool component for drill head, comprises conforming catalyst metal that coats diamond particles and graphene particles with consistent thickness about diamond particles and graphene particles.

KUMAR B P, RIVERA R, ROBERTS T S, IVIE B, JORDAN R, RIVERA R J