[1]陈木银,王琳,唐冰娥,等.华庆油田长8高电阻率水层成因及识别方法[J].测井技术,2020,(03):268-272.[doi:10.16489/j.issn.1004-1338.2020.03.010]
 Huaqing Oilfield.Genesis and Identification Method for High Resistivity Water Layer in Chang8 Reservoir of[J].WELL LOGGING TECHNOLOGY,2020,(03):268-272.[doi:10.16489/j.issn.1004-1338.2020.03.010]
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华庆油田长8高电阻率水层成因及识别方法()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
期数:
2020年03期
页码:
268-272
栏目:
解释评价
出版日期:
2020-05-15

文章信息/Info

Title:
Genesis and Identification Method for High Resistivity Water Layer in Chang8 Reservoir of
文章编号:
1004-1338(2020)03-0268-05
作者:
陈木银 王琳 唐冰娥 牟秋环 臧明明 向甜 李芳
(中国石油集团测井有限公司长庆分公司, 陕西 西安 710201)
Author(s):
Huaqing Oilfield
CHEN Muyin, WANG lin, TANG Binge, MU Qiuhuan, ZANG Mingming, XIANG Tian, LI Fang
关键词:
测井解释 高电阻率 水层 流体识别 成因机理 华庆油田
Keywords:
log interpretation high resistivity water layer fluid identification genetic mechanism
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2020.03.010
文献标志码:
A
摘要:
华庆油田长8储层为典型的低孔隙度低渗透率致密岩性油藏,该储层以水下分流河道与分流间湾沉积为主,砂体厚度大,物性差、电阻率高。由于该区还存在一些特征与油层相似且地质录井显示含油级别高的高电阻率水层,严重影响了该区长8储层流体识别精度。在分析该类储层分布规律及主要特征基础上,确定了高电阻率水层主要成因:构造运动使油气发生二次运移,孔隙中吸附有大量的有机质。利用已完钻测井、试油等资料,通过细化解释单元,构建多种测井响应组合的敏感参数,建立解释标准,有效提高了该区长8储层评价精度。
Abstract:
Chang8 reservoir in Huaqing oilfield is a typical tight lithologic reservoir with low porosity and permeability. The reservoir is mainly composed of underwater distributary channel and distributary bay, with thick sand body, poor physical properties and high resistivity. Because there are some high resistivity water layers which are similar to oil layers and show high oil-bearing level in geological logging, the accuracy of fluid identification of Chang8 reservoir in this area is seriously affected. Based on the analysis of the distribution law and main characteristics of this kind of reservoir, the main causes of high resistivity water layer are determined: One is the secondary migration of oil and gas caused by structural movement, the other is that a large amount of organic compounds are adsorbed in the pores. Based on the data of drilled well logging and oil testing, the sensitive parameters of various logging response combinations are constructed by refining interpretation units, and interpretation standards are established. It has effectively improved the evaluation accuracy of Chang8 reservoir in this area.

参考文献/References:

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[3] 宋兴沛, 刘洛夫, 徐正建, 等. 鄂尔多斯盆地中西部长7段烃源岩及致密油潜力评价 [J]. 新疆石油地质, 2017, 38(5): 553-558.
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备注/Memo

备注/Memo:
(收稿日期: 2019-12-19 本文编辑 叶春丽)第一作者: 陈木银,男,1976年,高级工程师,从事测井资料解释及研究工作。E-mail:chenmuyin@cnpc.com.cn
更新日期/Last Update: 2020-05-15