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在辽河曙68井区开展的大井距井间地震试验中,通过井间纵、横波层析成像和反射波偏移成像,得到井间砂泥岩互层展布,解释出两井之间主力储层的连通情况和流体分布情况。在地质综合研究基础上,在辽河曙光油田部署了3口开发井,均获得工业油流。本次试验,是首次在大于800m井距上尝试的井间地震技术。
In the cross-well seismic test carried out at LvHu-68 well area, inter-well sandstone and mortar interbeds are obtained through cross-well longitudinal and transverse wave tomography and reflection wave migration imaging, and the main reservoir between the two wells is explained Layer connectivity and fluid distribution. On the basis of comprehensive geological research, three development wells were deployed in Shuguang Oilfield, Liaohe, and industrial oil flow was obtained. This test is the first cross-well seismic technique that has been attempted at well spacing greater than 800 m.