油气地质

塔河油田西部深层微幅构造综合评价

  • 马满兴
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  • 1.中国石化西北油田分公司勘探开发研究院,新疆乌鲁木齐830011; 2.中国石油长庆油田超低渗透油藏研究中心,陕西西安710021
葛善良(1984-),男,硕士,工程师,主要从事新区滚动勘探、油藏评价方面的研究工作。地址:(830011)新疆乌鲁木齐新市区466 号西北石油科研生产园区A305 室。E-mail:zw326gsl@foxmail.com

网络出版日期: 2013-10-08

Comprehensive evaluation of tiny amplitude structure in deep formation in western Tahe Oilfield

  • MA Manxing
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  • 1.Research Institute of Exploration and Development,Norhtwest Oilfield Company,Sinopec,Urumqi 830011,China 2.Ultra-low Permeability Reservoir Research Center,PetroChinaChangingOilfield Company,Xi’an 710021,China)

Online published: 2013-10-08

摘要

塔河油田西部古近系库姆格列木群发育了一系列受北东一南西向雁行式断裂带牵引所形成的微幅构造圈闭群。通过油气运聚方向综合分析与多属性识别流体性质相结合评价圈闭的含油气性.利用地质力学模型分析等定性化圈闭识别手段与地震时间切片、相干体分析技术以及变速构造成图等定量化圈闭 解释技术相结合评价圈闭的落实程度,形成了一套针对微幅构造的综合评价技术.有效指导了研究区油藏的滚动评价工作。研究结果表明,该区古近系库姆格列木群油藏的油气具有“垂向调整、侧向运移、断裂控藏”的特点,微幅构造圈闭的闭合幅度与断裂的发育规模呈正相关关系,孤长属性异常可作为判别圈闭 内富集流体性质的参考依据。

本文引用格式

马满兴 . 塔河油田西部深层微幅构造综合评价[J]. 岩性油气藏, 2013 , 25(4) : 63 -67 . DOI: 10.3969/j.issn.1673-8926.2013.04.012

Abstract

A series of tiny amplitude structure attracted by the en echelon fault blocks ranged NW—SE is developed in Kumugeliemu group in western Tahe Oilfield.This paper evaluated the hydrocarbon—bearing quality of traps through the muhidisciplinary analysis of hydrocarbon migration and accumulation direction and identifying fluid properties by seismic multi—attributes analysis,evaluated the implementation degree of traps by qualitative trap identification techniques such as geomechanical model and by the quantitative trap interpretation techniques such as seismic time slice,coherency analysis technique and variable velocity mapping.Based on these,a series of comprehensive evaluation technique of tiny amplitude structure was formed to guide the rolling evaluation effectively.The research results show that the oil and gas of Kumugeliemu group reservoirs has the characteristics of“vertical adjustment,lateral migration and reservoir controlled by the fault”.There is a positive correlation between the closed amplitude of tiny structural traps and the development scale offauh.The abnorm al arc length attribute can be reference to discriminate the fluid properties accumulated in the traps.

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