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在油田分层注水的采油方法中,油井各油层产油量、产水量和产气量的数据,是指导采取相应生产措施的客观依据,及时而准确地掌握这些数据,对于保证油田长期稳产、高产具有重大意义。放射性含水率-密度计就是为此目的而研制的。 目前常用的测量含水率和密度的方法是互相独立的:用电容法测含水率,用放射性方法测密度。电容法测含水率,有很大的局限性,用不取样连续测量的方法,排量上限高,只能测含水率低于40％的油井;用取样的方法虽然能够扩大测量含水率的范围,
In the oil field stratified water injection method, the oil well oil production, oil production and gas production data, is to guide the production of the corresponding objective measures to take timely and accurate grasp of these data, to ensure long-term stable oil production, high-yield has great significance. Radioactive moisture - density meter is developed for this purpose. At present, the commonly used methods for measuring water content and density are independent of each other: measuring the water content by capacitance, and measuring the density by radioactive method. Capacitance method to measure the water content, there are great limitations, with no sampling continuous measurement method, the high displacement limit, can only measure the oil content below 40% of the wells; Although the sampling method can be expanded to measure the range of water content ,