发明名称 KILL FLUID FOR OIL FIELD OPERATIONS
摘要 <p>A flowing crosslinked polymer gel is employed as a kill fluid or as an additive to a kill fluid in a process for preventing the intrusion of formation fluid into a wellbore while minimizing wellbore fluid leakoff in the formation during conventional oil field operations in the wellbore. The gel comprises a carboxylate-containing polymer and a chromic carboxylate crosslinking agent.</p>
申请公布号 WO1991001431(A1) 申请公布日期 1991.02.07
申请号 US1990002799 申请日期 1990.05.22
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