[1]侯振学,张国华,王文文,等.最优化方法在非常规致密砂岩储层中的应用[J].复杂油气藏,2019,12(03):10-15.[doi:10.16181/j.cnki.fzyqc.2019.03.002]
　HOU Zhenxue,ZHANG Gouhua,WANG Wenwen,et al.Optimization method for evaluating unconventional tight-sandstone reservoir[J].Complex Hydrocarbon Reservoirs,2019,12(03):10-15.[doi:10.16181/j.cnki.fzyqc.2019.03.002]
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最优化方法在非常规致密砂岩储层中的应用()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
12卷
期数:
2019年03期
页码:
10-15
栏目:
油气勘探
出版日期:
2019-09-25

文章信息/Info

Title:
Optimization method for evaluating unconventional tight-sandstone reservoir
作者:
侯振学; 张国华; 王文文; 成家杰; 王俊华; 钱玉萍
中海油田服务股份有限公司油田技术事业部,河北 廊坊 065201
Author(s):
HOU Zhenxue; ZHANG Gouhua; WANG Wenwen; CHENG Jiajie; WANG Junhua; QIAN Yuping
Well Tech of China Oilfield Services Limited,Langfang 065201,China
关键词:
最优化方法 致密砂岩 矿物含量 脆性指数 产能预测
Keywords:
optimization method;  tight sandstone;  mineral content;  brittleness index;  productivity prediction
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2019.03.002
文献标志码:
A
摘要:
为了对致密砂岩储层进行定量处理,以最优化方法为原理,对复杂储层进行合理简化后建立物理模型,并将测井响应数据根据地层体积模型联立方程组,采用最小二乘法求解方程组最优解,最终获得地层矿物组分及流体组分的含量,进而计算出孔隙度以及地层的脆性指数。研究表明:应用最优化方法计算的矿物组分与岩心X衍射实验分析结果基本一致,以组分含量为基础进一步求取的孔隙度与岩心孔渗实验分析结果吻合度好。在准确求取孔隙度及脆性指数的基础上对鄂尔多斯盆地上古生界二叠系石千峰组—石炭系本溪组致密砂岩储层的水力压裂进行压前指导及压后产能预测,取得了理想效果,为致密砂岩气的压裂开发节省了大量成本,为后期的压裂开发提供了更多的地质资料。
Abstract:
In order to quantitatively deal with tight-sandstone reservoir, taking the optimization method as principle,we established the physical model by reasonably simplifying complex reservoirs. And then the simultaneous equations were obtained by putting logging response data and formation volume model. Using the least square method, the optimal solutions of the equations were solved. Finally, the contents of mineral and fluid components were obtained so as to calculate the porosity, permeability, and brittleness index of the formation. Research results indicate that the mineral composition calculated by the optimized method is basically in agreement with one from X-ray diffraction analysis. The porosity and permeability obtained from the composition content are in good agreement with the core experimental result. Based on the accurate porosity and brittleness index, good results have been obtained for the pre-fracturing guide and productivity prediction after fracturing of tight-sandstone reservoirs of Upper Paleozoic in Ordos Basin. This can save a lot of costs for fracturing development of tight-sandstone gas reservoirs and provide more geological data for later fracturing development.

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备注/Memo

备注/Memo:
收稿日期:2019-02-11; 改回日期:2019-04-19。
第一作者简介:侯振学(1986-),硕士,工程师,主要从事非常规能源测井资料处理解释工作。E-mail:houzhenxue2019@163.com。
更新日期/Last Update: 2024-01-18