在所有条件相同的条件下，一口压裂30段的井中每个层段的示踪剂量占所有被注入井下示踪剂总量的3%到4%。
All things being equal, on a 30-stage well, the tracers from each stage would represent between 3% and 4% of the total concentration of tracer material sent downhole.
过滤和处理后的海水可经注水井注入储层的下部含水段。
Water-injection Wells are common offshore, where filtered and treated seawater is injected into a lower water-bearing section of the reservoir.
最先注入的段塞通常是用来调节储层的水前置液。
The first slug injected is usually a water preflush, used to condition the reservoir.
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