The well testing is the irreplaceable technology of the oil deposit detection and monitoring in oil and gas exploration and development. By using modern method of well test,the author adopted the measured pressure recovery and pressure drop data by 2 wells in Shuanghe oilfield,and analyzed the development of oilfield,then verified the existence of natural fractured reservoir.This paper also attested the decrease and closure of natural fracture and artificial fracture with the process of oil field development and production,found the problem of waterflooding production process,proved the application value of transient well test in oilfield dynamic monitoring.%试井是油气勘探开发中不可代替的油藏探测与监测技术手段.采用陕北双河油田2口井的实测压力恢复和压力降落资料,利用现代试井方法,对油藏开发动态进行分析,验证了该区块油藏存在天然裂缝发育的情况以及天然裂缝、人工裂缝的随生产动态发生的缩短、闭合变化,发现了注水开发生产过程中存在的问题,检验了不稳定试井在油田动态监测中的应用价值.
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