|本期目录/Table of Contents|

[1]孙藏军 别旭伟 聂玲玲 黄 磊 姜 永.渤海曹妃甸6-4油田东三段储层孔隙演化定量分析[J].中国海上油气,2019,31(06):44-51.[doi:10.11935/j.issn.1673-1506.2019.06.005]
 SUN Cangjun BIE Xuwei NIE Lingling HUANG Lei JIANG Yong.Quantitative analysis on the reservoir pore evolution of the Ed3 in CFD6-4 oilfield, Bohai sea[J].China Offshore Oil and Gas,2019,31(06):44-51.[doi:10.11935/j.issn.1673-1506.2019.06.005]
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渤海曹妃甸6-4油田东三段储层孔隙演化定量分析()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年06期
页码:
44-51
栏目:
渤海海域油气勘探开发成果专辑
出版日期:
2019-11-21

文章信息/Info

Title:
Quantitative analysis on the reservoir pore evolution of the Ed3 in CFD6-4 oilfield, Bohai sea
文章编号:
1673-1506(2019)06-0044-08
作者:
孙藏军 别旭伟 聂玲玲 黄 磊 姜 永
(中海石油(中国)有限公司天津分公司 天津 300459)
Author(s):
SUN Cangjun BIE Xuwei NIE Lingling HUANG Lei JIANG Yong
(CNOOC China Limited, Tianjin Branch, Tianjin 300459, China)
关键词:
渤海 曹妃甸6-4油田 东三段 孔隙演化 定量分析
Keywords:
Bohai sea CFD6-4 oilfield Ed3 pore evolution quantitative analysis
分类号:
TE122.2
DOI:
10.11935/j.issn.1673-1506.2019.06.005
文献标志码:
A
摘要:
利用铸体薄片、扫描电镜、常规物性、X射线衍射等资料,对渤海石臼坨凸起曹妃甸6-4油田东三段储层埋藏成岩过程中的孔隙演化进行了定量分析。结果表明:东三段储层埋藏成岩后经历4个孔隙演化阶段,模型计算初始孔隙度平均为32.24%; 早成岩A期压实减孔阶段,储层孔隙演化受控于早期机械压实,减少孔隙度5.79%; 早成岩B期压实+早期胶结减孔阶段,压实作用减少孔隙度9.62%,早期胶结作用减少孔隙度2.33%; 中成岩A期压实-溶蚀增孔阶段,溶蚀作用增加孔隙度10.80%,受压实作用影响减少孔隙度2.16%; 中成岩A期压实+中晚期胶结/交代减孔阶段,压实作用减小孔隙度仅为3.80%,胶结作用减少孔隙度为3.90%。经过成岩过程中孔隙度演化模拟,最终计算样品孔隙度平均为15.47%,与气测孔隙度相对误差平均为2.52%,误差相对比较小。本文研究成果对于该区优质储层预测具有一定参考意义。
Abstract:
The reservoir pore evolution during the diagenesis of the Ed3 in CFD6-4 oilfield of the Bohai Shijiutuo bulge has been quantitatively analyzed by virtue of thin-film casting, scanning electron microscopy, conventional physical properties and X-ray diffraction. The results show that after the burial diagenesis of the Ed3 reservoir, it has undergone four pore evolution stages. The initial porosity calculated by model is 32.24% on average; the compaction-pore reduction period in the early diagenesis A stage, the reservoir pore evolution was controlled by early mechanical compaction, and the porosity was decreased by 5.79%; the early diagenesis B stage compaction+early cementation- pore reduction stage, the compaction reduced porosity by 9.62%, and the early cementation reduced porosity by 2.33%; the compaction-dissolution pore enhancement stage in the middle diagenesis A stage, the dissolution increased the porosity by 10.80%, and compaction reduced porosity by 2.16%; the middle diagenesis A stage compaction+middle-late cementation/metasomatic pore reduction stage, the compaction reduced porosity by 3.80% only, and the cementation reduced porosity by 3.90%. By the simulation of pore evolution during the diagenesis, the calculated final porosity of the sample is 15.47% on average, and the relative error with the measured porosity is 2.52% on average. The error is relatively small, and the research result of this paper show a certain reference significance for the prediction of high quality reservoirs in this area.

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备注/Memo

备注/Memo:
*“十三五”国家科技重大专项 “渤海海域勘探新领域及关键技术研究(编号:2016ZX05024-003)”部分研究成果。 第一作者简介: 孙藏军,男,工程师,硕士,现主要从事海上油气田沉积储层研究工作。地址:天津市滨海新区海川路2121号渤海石油管理局B座(邮编:300459)。E-mail:suncj2@cnooc.com.cn。
更新日期/Last Update: 1900-01-01