HT fractured reservoir high-temperature water shutoff agent has been developed by using secondary crosslinked gel in accordance with problems of high permeability and high leakage.

• 针对高温裂缝性油藏堵水中存在的高渗透和高滤失问题,采用二次交联凝胶技术,研制了HT裂缝性油藏高温堵剂。