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六十年代在我国四川盆地进行了大规模的大斜度定向井科技攻关,其中包括水平井、大斜度多底井、储层内的大水平位移的取心多底井和连续取心单斜井共20多口井的科技攻关。这次科技攻关中,在短期内成功地研(改)制了几十种钻井、取心、测井、固井和完井的地面设备,井下工具和仪器,提供了必要的技术手段;创造了多种类型大斜度定向井的成套工艺技术,其主要项目指标均达到当时的世界先进水平。
In the 1960s, large-scale large-scale directional well science and technology research was carried out in the Sichuan Basin of our country, including horizontal wells, multi-bottom wells with large inclination, large horizontal displacement coring in wells and continuous coring alone Inclined well a total of more than 20 wells scientific and technological research. In this scientific and technological project, dozens of ground equipments, downhole tools and instruments for drilling, coring, well logging, well cementing and completion have been successfully researched (reformed) in the short term and the necessary technical means have been created. A variety of types of high-gradient directional well complete sets of technology, the main project indicators have reached the world’s advanced level.