protecting colloid 中文意思是什麼
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To achieve the objective of protecting reservoir during drilling, the common means is to add proper graded temporary plugging materials, coupled with colloid filling particles in upper drilling fluid based on the average radius of pore throat in reservoir, which converts upper drilling fluid to reservoir protection fluid
摘要在鉆井過程中，為達到保護油層的目的，通常根據油層的平均孔喉半徑，在上部鉆井液中加人合適粒徑的暫堵劑，再配合膠體填充粒子將其改造為對油層具有保護作用的鉆井液。 -
Hpmc solution has the function of surface activity, which can be used as colloid protecting agent, emulsifying agent and dispersant
Hpmc水溶液具有表面活性功能，可作為膠體保護劑，乳化劑和分散劑
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