| 葡西地区油气储层泥质与粘土含量的计算方法研究 |
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| 作者单位： | 吉林大学地球探测科学与技术学院，大庆石油管理局钻探集团测井公司，大庆石油管理局钻探集团测井公司 长春 130026，黑龙江 大庆 163453，黑龙江 大庆 163453 |
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| 摘 要： | 泥质和粘土含量是储层评价中很关键的参数,但是其解释精度一直难有很大的提高。以大庆油田西部地区的储层为例,研究了提高解释精度的方法。首先对粒度和X衍射粘土分析数据的用途和质量检查方法进行讨论。对自然伽马、自然电位等多种方法计算泥质含量的效果进行了对比,筛选了适合本区的解释方法。在此基础上,进一步对砂岩、泥岩参数的选取方法进行了研究,提出了变砂岩参数和分层平均方法。应用结果表明,在研究的区域,采用本文论述的方法计算泥质含量和粘土含量,比以往的解释精度有了大幅度的提高。
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| 关 键 词： | 泥质含量 粘土矿物 测井解释 |
Method of Estimating Shale and Clay Volume in Hydrocarbon Reservoirs of Puxi Area |
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| Authors: | MO Xiu-wen DING Yong-hao WANG Hong-jian College of GeoExploration Science and Technology Jilin University Changchun China Well Logging Company Drilling Group Daqing Oil Bureau Daqing Heilougjiang China |
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| Institution: | MO Xiu-wen~1 DING Yong-hao~2 WANG Hong-jian~2 1.College of GeoExploration Science and Technology,Jilin University,Changchun 130026,China 2.Well Logging Company,Drilling Group,Daqing Oil Bureau,Daqing,Heilougjiang 163453,China |
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| Abstract: | Shale and clay volumes are primary parameters in reservoir evaluation,but it is very difficult to improve their precision greatly.In this paper,a field example from west part in Daqing oil field reservoir was used to show some new researched methods to improve their precision.Firstly,the use of X ray clay analysis and the method for detecting its quality was discussed,and the contrasts of shale and clay results acquired from GR,SP and other well log method were showed.According to the different results,effective well log method was selected to be used to estimate shale and clay volume. Secondly,the method of how to pick the sand and shale response more reasonably was revealed,new methods of Varying Sand Parameters and Layer Average were developed.The effect of the example shows the methods of this paper can evidently improve the precision of estimated shale and clay volume. |
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| Keywords: | shale volume clay mineral log interpretation |
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