[1]石先达,阚延坤,覃恒杰,等.Z油田阜宁组低—特低孔储层孔隙度测井计算改进方法[J].复杂油气藏,2017,(03):35.[doi:10.16181/j.cnki.fzyqc.2017.03.007]
　Shi Xianda,Kan Yankun,Tan Hengjie,et al.Improvement method of porosity logging calculation for low and extra-low porosity reservoirs of Funing Formation in Z Oilfield[J].Complex Hydrocarbon Reservoirs,2017,(03):35.[doi:10.16181/j.cnki.fzyqc.2017.03.007]
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Z油田阜宁组低—特低孔储层孔隙度测井计算改进方法
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2017年03期
页码:
35
栏目:
油气开发
出版日期:
2017-09-25

文章信息/Info

Title:
Improvement method of porosity logging calculation for low and extra-low porosity reservoirs of Funing Formation in Z Oilfield
作者:
石先达1; 阚延坤1; 覃恒杰1; 赵 毅2
1.中国石化江苏油田分公司采油二厂,安微 天长 239300; 2.中国石化华东石油工程有限公司测井分公司,江苏 扬州 225000
Author(s):
Shi Xianda1;  Kan Yankun1;  Tan Hengjie1;  Zhao Yi2
1.NO.2 Oil Production Plant of Jiangsu Oilfield Company, SINOPEC, Tianchang 239300,China; 2.Logging Company of Huadong Petroleum Engineering Co.,LTD., SINOPEC, Yangzhou 225000,China
关键词:
低—特低孔储层 孔隙度 声波时差 骨架值 测井
Keywords:
low and extra-low porosity reservoirs;  porosity;  acoustic wave;  the value of frame;  logging
分类号:
TE321
DOI:
10.16181/j.cnki.fzyqc.2017.03.007
文献标志码:
A
摘要:
低—特低孔砂岩孔隙度由于受岩性的影响,储层非均质性强,骨架值不确定,难以用定值来表示,利用常用的单孔隙度法难以准确求得地层真实孔隙度。提出从体积模型入手,首先对声波时差曲线进行灰质校正,然后在泥质较重的层段再进行泥质校正,最后利用岩心刻度测井方法求解系数,最终形成孔隙度模型。实际资料应用表明,利用该方法计算的孔隙度与岩心分析结果吻合较好,较单声波时差法计算的相对误差从41%降到16%,计算结果可以真实反映低—特低孔储层的孔隙度。
Abstract:
Due to the porosity of the low and extra-low porosity reservoir affected by lithology, there are strong reservoir heterogeneity and the uncertain value of frame. Thus it is difficult to accurately obtain the real porosity of reservoirs by the common single porosity method. Based on volume model, the acoustic wave curve firstly was corrected by carbonate content. And then shale in heavier argillaceous formation was corrected, the coefficient was solved by the core calibration logging. Finally, the porosity model was obtained. The actual data application showed that the porosity calculated by this method is in good agreement with one of core analysis. Compared with the acoustic wave method, the relative error was reduced from 41% to 16%. And the calculation results can accurately reflect the porosity of the low and extra-low porosity reservoirs.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-04-20; 改回日期:2017-05-18。 作者简介:石先达(1970—),高级工程师,主要从事油田开发地质研究工作。E-mail:shixd.jsyt@sinopec.com。
更新日期/Last Update: 2017-09-25