核磁共振录井技术在胜利油田的应用

核磁共振录井作为一项新的录井技术,它能够提供地层有效孔隙度、可动流体含量、含油饱和度等与储集层物性和储集层流体性质相关的地质参数,为钻井过程中及时、有效评价储集层创造了条件.在简述核磁共振录井原理和主要地质参数意义的基础上,阐述了不同储集层的t2谱图特征;结合胜利油田的应用情况,提出了胜利油田核磁共振录井初步解释标准,并通过在济阳凹陷3口井的应用进行了验证.应用实践表明,在分析样品具有代表性的前提条件下,核磁共振录井技术可以提供及时、准确的储集层物性评价参数,从而实现现场及时解释评价.

Application of NMR logging technique in Shengli Oilfield

As a new mud logging technique, NMR (nuclear magnetic resonance) logging technique can provide formation effective porosity, movable fluid content, the oil saturation and the other geologic parameters which relate to reservoir physical properties and reservoir fluid properties, which create the conditions for evaluating reservoirs promptly and effectively during drilling. On the basis of giving a brief introduction of NMR logging principles and the main geologic parameter meanings, the paper sets forth t2 spectra chart characteristics for the corresponding reservoir. Combining the applied situation of NMR logging technique in Shengli Oilfield, the paper brings forward the initial interpretation criteria of Shengli Oilfield NMR logging, which has been verified by three wells in Jiyang sag. The applied results indicated that on the premise that the analyzed samples had representatives,NMR!logging technique can promptly and accurately provide reservoir physical property evaluation parameters, thus realizing on-site interpretation and evaluation in time.