The blocking agent's expansion and high salt resistance is qualified, and the formula revamped several times, but the agent failed the technical requirements to reach 120℃, In Ruanruo Peng's suggestion, project principal investigator increased the organosilane coupling agent, changed the blocking agent initiator GNSA04 to GNSA07, through performance tests show that the blocking agent for high temperature resistance is increased, can be up to 120 ℃, while the expansion and high salt resistance qualified to meet the performance requirements, I hereby certify that.
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Therefore, the terpolymer use in EOR flooding as the main oil displacement agent and the blocking agent will have relatively good prospect.
因此，作为三次采油中的驱油主剂以及调剖堵水剂都有较为良好的应用前景。
The blocking agent preferably de-blocks at a temperature that permits simultaneous or nearly simultaneous de-blocking and curing of the polyurethane film former.
该成膜剂优选在允许该聚氨酯成膜剂同时或几乎同时去封端和固化的温度下去封端。
The results of core flooding experiment and the study of the propagation about the weak gel show that the agent has a high blocking rate and good selection which can modify the water profile well.
岩心流动实验和对弱凝胶在孔隙中运移行为的研究表明，该调驱剂封堵率高，具有良好的选择性，剖面改善效果好。
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