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主要介绍了密度为1.65g/cm~3的全有机低固相抗高温完井液体系的组成、单剂筛选过程和配套处理剂配伍性的评价。确定了体系中高密度有机盐基础溶液的配比,即m(甲酸盐):m(有机复合盐):m(盐结晶抑制剂):m(水)为286:44:40:100,以及配套的处理剂——抗高温储层保护剂YH-YB01的筛选和评价,该体系适用范围广泛,是一种良好的抗高温、低固相、高密度完井液体系。
This paper mainly introduced the composition of all-organic low-solid-liquid high temperature completion fluid system with a density of 1.65g / cm ~ 3, the evaluation of the single-agent screening process and compatibility of the matching treatment agent. The ratio of m (formate): m (organic complex salt): m (salt crystallization inhibitor): m (water) is 286: 44: 40: 100 and the ratio of high density organic salt basic solution in the system is determined. Matching treatment agent - screening and evaluation of high temperature resistant reservoir protective agent YH-YB01, this system is suitable for a wide range of applications and is a good high temperature resistant, low solid phase and high density completion fluid system.