桥白地区位于山东省菏泽地区 ,地处东濮凹陷的中部 ,东西宽 1 8ｋｍ ,南北长 1 4ｋｍ ,勘探面积约 2 5 0ｋｍ2 。本区从 1 96 9年钻探东参 1井以来 ,累积完钻各类探井 1 0 5口 ,发现 7套含油气层系 ,探明了一定规模的油气储量。1　油气聚集的基本条件1 .1　资源背景桥白地区北 Qiaobai area is located in the Heze area of ​​Shandong Province, located in the central Dongpu depression, east-west width of 18km, north-south length of 14km, exploration area of ​​about 250km2. Since the drilling of 1 well in Dongshen in 1996, the district has completed the exploration of 105 exploration wells of various types and discovered 7 sets of oil-bearing gas reservoirs, thus confirming a certain amount of oil and gas reserves. 1 The basic conditions of oil and gas accumulation 1.1 Resource Background Qiaobai North