国家/地区 中国（4）
IPC部 C（4） E（2）
IPC大类 C04（4） C09（4） E21（2）
IPC小类 C04B（4）
IPC C09K008/467（4）
发明人 LIU H（2）
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人

Well wall reinforcing composition for crushing stratum, comprises cement, cementing agent, interface strengthening agent, 1active filling agent, high temperature stabilizer, and water, where cementing agent comprises epoxy resin and epoxy resin emulsifier, plasticizer, and nanomaterials.

ZHANG D, ZHANG F, WU X, SONG B, LIU S, LIU J, LI F, LI D

Cement comprises acetylene sulfide, tricalcium silicate, tricalcium aluminate, calcium aluminoferrite, zirconium silicate, low hydration active material, reinforcing agent, anti-shrinking agent and 0early strength agent.

LIU H, ZENG X, GU A

Temperature-responsive cementing slurry comprises oil well cement, bidirectional intelligent temperature control material, mixing water, dispersant, and fluid loss agent.

HUO J, CHE Y, ZHANG C, LIU H, ZUO W, YU B

Determining integrity of well in oil and gas industries, involves mixing conductive materials into fluid, allowing conductive materials to surface coating, and transmitting data through electrically conductive data conduit coating.

BOUL P J, SANTRA A