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脉冲中子-中子(PNN)测井是利用直接测量热中子通量进而计算剩余油饱和度的测井技术。文中介绍了该技术的测井原理及其解释方法,并列举该技术在延长油田的应用情况。结合目前使用的情况,对今后的研究方向提出建议。
Pulsed neutron-neutron (PNN) logging is a logging technique that uses direct measurement of thermal neutron flux to calculate residual oil saturation. This paper introduces the logging principle of the technology and its interpretation method, and lists the application of the technology in extending the field. Combined with the current use of the situation, make recommendations for future research directions.