Tracing subterranean fluid flow includes providing a first polymeric tracer to a first injector, collecting a first aqueous sample from a first producer, and assessing the presence of the first polymeric tracer in the first aqueous sample. The first polymeric tracer includes a first polymer formed from at least a first monomer. The presence of the first polymeric tracer in the first aqueous sample is assessed by removing water from the first aqueous sample to yield a first dehydrated sample. pyrolyzing the first dehydrated sample to yield a first gaseous sample, and assessing the presence of a pyrolization product of the first polymer in the first gaseous sample. The presence of the pyrolization product of the first polymer in the first gaseous sample is indicative of the presence of a first subterranean flow pathway between the first injector location and the first producer location.
追踪地下流体流动包括向第一注入器提供第一聚合物示踪剂,从第一生产者处收集第一
水样,以及评估第一聚合物示踪剂在第一
水样中的存在。第一聚合物示踪剂包括至少由第一单体形成的第一聚合物。评估第一
水样中是否存在第一聚合物示踪剂的方法是:从第一
水样中除去
水分,得到第一脱
水样品;热解第一脱
水样品,得到第一气态样品;评估第一气态样品中是否存在第一聚合物的热解产物。第一气体样品中第一聚合物热解产物的存在表明第一注入器位置和第一生产者位置之间存在第一地下流动通道。