国家/地区 中国（3） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C09K008/467（4）
发明人 LI D（2） LI F（2） SANTRA A（2）
SONG B（2） ZHANG D（2） ZHANG F（2）
公开年 2021（3）
申请年 2020（4）
专利权人 ARAMCO SERVI.（2） CHINA PETROL.（2） SAUDI ARABIA.（2） SINOPEC RES .（2）

Crushing ground layer plug fixing wall agent useful in crushing stratum drilling, comprises cement, cementation strengthening agent, surface modified microcapsule curing agent, interface strengthening agent and water.

ZHANG F, WANG L, ZHANG D, ZHAO S, SONG B, WANG W, CHEN Z, LI F, LI D

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

Sealing propagating cracks in sensor-laden cement sheath involves monitoring electrical resistivity of sensor-laden cement sheath to produce measured value, where sheath comprises conductive sensor, on-demand expanding agent, and cement.

MUSSO S, SANTRA A

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