通过化学凝胶和桥塞堵漏剂进行复配，形成复合化学凝胶堵漏技术。
To solve the problem, a new composite gelled material was developed, and the composite gel sealing technology was formed.
②凝胶ZND是否能够形成隔断地层流体与井筒流体联系的隔断式凝胶段塞，所形成的凝胶段塞是否具有启动压力梯度及其调控措施仍需实验和现场试验证实；
However, it was still lack of systematic study of rheology of gel ZND. And the rationality, correctness and feasibility of the separating-type gel slug principle need to be verified yet.
再注一个弱凝胶调剖段塞，封堵主流道，扩大水驱波及体积，并推动前置微生物段塞向前移动；
The injection of a weak gel moderate profile plug, sealing the mainstream channels, the expansion of water flooding swept volume, and to promote microbial slug front moves forward;
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