二维核磁在火成岩地层评价中的应用研究  

The research of 2D NMR application in evaluation of igneous rock

作　　者：张传举[1] 王显南 王健 徐宏亮 ZHANG Chuanju;WANG Xiannan;WANG Jian;XU Hongliang(China Oilfield Services Limited,Shenzhen 518054,Guangdong,China;Shenzhen Branch of CNOOC,Shenzhen 518054,Guangdong,China)

机构地区：[1]中海油田服务股份有限公司,广东深圳518054 [2]中海油田深圳分公司,广东深圳518054

出　　处：《矿产勘查》2023年第8期1458-1463,共6页Mineral Exploration

基　　金：中国海油集团公司重大科技专项“测录试关键技术与装备(YJB22YF003)”资助。

摘　　要：南海东部古潜山火成岩地层为双孔介质,岩性复杂,利用常规测井资料对储层进行定量评价及流体识别非常困难。MREX二维核磁测井仪器主要测量地层孔隙流体中的氢信号,不受岩石骨架影响。通过南海东部X井的实际钻探,一维核磁成果可以得到泥质束缚孔隙、毛管束缚孔隙、可动孔隙、渗透率等储层参数,二维核磁成果可以定性评价地层流体性质。二维核磁的储层评价和流体识别结果和实验室以及现场作业数据具有良好的一致性,具有非常强的实用价值。The buried hill igneous rocks in the eastern South China Sea are characterized by double porosity with complex lithology,using conventional logging data cannot quantitatively evaluate the reservoir and identify the fluid.The MREX 2D NMR(Nuclear Magnetic Resonance)logging instrument mainly measures the hydrogen signal in the formation pore fluid,which is not affected by the rock skeleton.Through the actual drilling of well X in the eastern South China Sea,one-dimensional NMR results provide reservoir parameters such as muddy bound water porosity,capillary bound water porosity,movable porosity and permeability,while 2D NMR results can qualitatively evaluate formation fluid properties.2D NMR reservoir evaluation and fluid identification results are in good agreement with laboratory and field data,proves,which provides strong practical value.

关 键 词：火成岩 储层评价 流体性质识别 二维核磁 

分 类 号：O482.5[理学—固体物理]