According to the reservoir features and the requirements of protecting reservoir,a modified drilling and completion fluid system with ultrahigh density is chosen,in which oil soluble and acid soluble temprary plugging agents are the major additives.

• 根据储层特征及保护油气层要求，选用以油溶性和酸溶性暂堵剂为主处理剂的超高密度改性钻井完井液体系。