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世界地质 2017, 36(4) 1277-1283 DOI:
ISSN: 1004-5589 CN: 22-1111/P |
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| 基础地质 |
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致密砂岩储层的相渗特征与岩电参数的关系研究 |
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王宇竹，潘保芝，郭宇航 |
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吉林大学 地球探测科学与技术学院，长春 130026 |
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摘要：
以岩电参数和相渗曲线的关系为基础，从实验室测量岩石样本的电阻率数据推算相对渗透率，并通过与实验测得的相对渗透率进行对比，对从电阻率推算相对渗透率的方法进行改进。研究结果表明，新方法能更准确地与实际测量相渗曲线拟合。在实际测井应用中，基于常规测井数据，利用本文改进的方法获得随深度变化的相对渗透率数据。依据相对渗透率的大小判断产油层和产水层。在产油层计算产油量，与试油结果相符，说明本文方法对于致密砂岩储层的油水产量估测有效。 |
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关键词：
相对渗透率
电阻率指数
致密砂岩
孔隙大小分布指数
油水层识别
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Ｒelationship between relative permeability and electrical parameters of tight sandstone reservoirs |
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WANG Yu-zhu，PAN Bao-zhi，GUO Yu-hang |
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College of Geo-exploration Science and Technology，Jilin University，Changchun 130026，China |
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Abstract:
Based on the theoretical relationship between the rock electrical parameters and the relative permeability curves，the relative permeability is calculated from the measured resistivity data of rock samples in laboratory． Through the comparison with experimentally measured relative permeability，the method of calculating relative permeability from resistivity is improved． It is indicated that the improved method can be more accurate and fit well with the actual measurement of permeability curve． The improved method is applied to the actual well logging data， and the variation of relative permeability with depth is obtained based on conventional logging data． The oil reservoir or aquifer is identified on the basis of relative permeability and other parameters． The calculated oil production in the reservoirs is consistent with the well test results，which shows that the method is effective for estimating the oil and water production of the tight sandstone reservoir． |
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Keywords:
relative permeability
electrical parameters
tight sandstone
reservoir identification
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| 本刊中的类似文章 |
| 1．刘春燕，李松，孙冬胜，刘志远，邱桂强，冯鑫.致密砂岩储层非均质性及有效储层表征:以鄂尔多斯盆地南部彬长地区三叠系延长组长7段为例[J]. 世界地质, 2017,36(4): 1170-1180 |
| 2．刘志文. 海拉尔盆地呼和湖凹陷致密砂岩气成藏特征[J]. 世界地质, 2016,35(3): 831-839 |
| 3．段亚男, 潘保芝, 庄华, 张海涛, 杨小明, 韩雪.苏里格气田致密砂岩储层物性下限值的研究[J]. 世界地质, 2014,33(4): 861-866 |
| 4．胡玮, 韩立国, 段超然, 孙宏宇.鄂北致密薄储层地震响应特征分析[J]. 世界地质, 2014,33(4): 925-933 |
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