Tectonic intensity quantification method and its application to the superimposed basins in West China

doi:10.7623/syxb200905002

Editorial office of ACTA PETROLEI SINICA ›› 2009, Vol. 30 ›› Issue (5): 642-647.DOI: 10.7623/syxb200905002

• Petroleum Exploration • Previous Articles Next Articles

Tectonic intensity quantification method and its application to the superimposed basins in West China

KANG Dejiang¹, MA Xingzhi²

1. Exploration and Development Research Institute, PetroChina Daqing Oilfield Company, Ltd., Daqing 163712, China;
2. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China

Received:2009-01-07 Revised:2009-05-25 Online:2009-09-25 Published:2010-05-21

中国西部叠合盆地构造强度定量表征及其应用

康德江¹, 马行陟²

1. 中国石油大庆油田有限责任公司勘探开发研究院, 黑龙江大庆 163712;
2. 中国石油大学盆地与油藏研究中心, 北京 102249

作者简介:康德江,男,1978年7月生,2009年获中国石油大学(北京)博士学位,现在中国石油大庆油田有限责任公司勘探开发研究院工作,主要从事油气藏形成与分布规律研究.E-mail:kdj78721@163.com
基金资助:
国家重点基础研究发展规划(973)项目(2006CB202300)部分成果

Abstract

Abstract: There were very fierce of tectonic movements after the hydrocarbon accumulation periods in the complicated and superimposed basins in West China,which resulted in the adjustment,reformation and even destroy of a large mount of hydrocarbon reservoirs.The tectonic intensity is an important parameter for measuring the influence level of tectonic movement on the reservoir after accumulation.The two parameters of denudation rate and stratum deformation degree can be used to fit the quantitative characterization formula of tectonic movement intensity.The verification and application of the formula show that the moderate tectonic intensity regions easily make for forming normal trap structures,the cap rock can be well preserved,and the transportation systems will be easily constructed.Therefore,the regions with the middle level of tectonic intensity will be favorable for hydrocarbon accumulation and enrichment.The regions with large or low level of tectonic intensity have few conditions for hydrocarbon accumulation.The contrast to the distribution of oil-gas reservoir in Jungger Basin shows that the fitted formula for characterizing the tectonic intensity can well and truly describe the influence of tectonic movement on alteration of oil-gas reservoirs.

Key words: superimposed basin, tectonic intensity, quantification index, adjustment and alteration, denudation rate, deformation degree

摘要： 中国西部复杂叠合盆地成藏期后的构造运动十分剧烈,直接导致大量油气藏发生调整改造,甚至破坏.构造变动强度是一个用以衡量区域构造运动对成藏期后油气藏调整改造程度大小的重要参数.研究中采用了易于获得的两个地质参数,即剥蚀率和地层变形程度作为定量化指标,拟合出构造变动强度的定量化公式.构造强度中等地区由于易于形成一定规模的正向圈闭构造,封盖条件得以保证,同时有利于输导体系的建立,因此有利于油气藏的聚集和再富集;而构造强度过大和过小,则不利于油气的调整富集成藏.与准噶尔盆地的油气分布对照得到,构造变动强度的定量化表征基本上可以如实和准确地反映出构造变动对油气调整改造的影响程度.

关键词: 叠合盆地, 构造强度, 定量化指标, 调整改造, 剥蚀率, 变形程度

CLC Number:

TE111.2

KANG Dejiang, MA Xingzhi. Tectonic intensity quantification method and its application to the superimposed basins in West China[J]. Editorial office of ACTA PETROLEI SINICA, 2009, 30(5): 642-647.

康德江, 马行陟. 中国西部叠合盆地构造强度定量表征及其应用[J]. 石油学报, 2009, 30(5): 642-647.

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Tectonic intensity quantification method and its application to the superimposed basins in West China

中国西部叠合盆地构造强度定量表征及其应用

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