基本解释:PRD格式
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And the reducing rate of apparent viscosity of PRD system can reach at least 93% with this gel breaker at 40℃.在 90℃时利用 (NH4) 2 S2 O8,Na2 S2 O8,K2 S2 O8,NaClO3 4种氧化剂对PRD体系进行一系列破胶试验 ,优选出高温条件下破胶效果较好的氧化剂 (NH4) 2 S2 O8,并以此氧化剂为基础 ,加入一定量的活性剂 (HL)确定低温破胶剂最佳配方 ,该破胶剂在 4 0℃时可使PRD体系表观降粘率达到 93%以上。cSV汉语字典
A dynamic method is used to study PRD drill-in fluid and the formation time of filter cake on the core and flushing resistance of the filter cake to completion fluids.室内采用动态方法研究了PRD钻开液与在岩心端面上的滤饼形成时间及该滤饼耐各完井工作液的冲刷性;采用浊度方法研究了PRD钻开液与完井作业液的配伍性。cSV汉语字典
When a well drilling job is completed,the residual gelled PRD polymer drilling-in fluid in the bottom must be treated by a proper gel breaker(GB) to prevent from reservoir formation damage.用PRD聚合物钻井液钻井完钻后,须对井筒内余留的钻井液实施破胶处理,以免钻井液污染地层。cSV汉语字典