秦皇岛32-6油田明化镇组河流相储层地球物理参数影响因素研究

doi:10.6038/j.issn.1004-2903.2012.04.030

地球物理学进展 ›› 2012, Vol. ›› Issue (4): 1541-1547.doi: 10.6038/j.issn.1004-2903.2012.04.030

秦皇岛32-6油田明化镇组河流相储层地球物理参数影响因素研究

井涌泉¹, 余杰¹, 范廷恩¹, 陈开远², 胡光义¹

1. 中海油研究总院开发研究院地质室, 北京 100027;
2. 中国地质大学(北京) 能源学院, 北京 100083

收稿日期:2011-09-11 修回日期:2011-11-11 出版日期:2012-08-20 发布日期:2012-08-20
作者简介:井涌泉,男,1981年生,汉族,辽宁铁岭人,博士生,2009年毕业于中国科学院地质与地球物理研究所,主要从事地震资料处理和解释等方面工作.(E-mail:jingyq05@163.com.)
基金资助:
国家科技重大专项课题(2008ZX05024-001)资助.

Study on influence factors of fluvial facies reservoir geophysical parameters in QHD32-6 oilfield at Nm Formation

JING Yong-quan¹, YU Jie¹, FAN Ting-en¹, CHEN Kuai-yuan², HU Guang-yi¹

1. CNOOC Research Institute, Beijing 100027, China;
2. China University of Geoscience (Beijing), Beijing 100083, China

Received:2011-09-11 Revised:2011-11-11 Online:2012-08-20 Published:2012-08-20

摘要/Abstract

摘要： 秦皇岛32-6油田明化镇组储层为河流相沉积,单砂体规模小,砂体间接触关系复杂,受到地震分辨率限制,对叠置砂体储层地震响应规律认识不明确,导致基于地震信息的储层砂体解释错误.通过数值正演模拟,可以正确认识砂体储层的地震响应规律,提高砂体储层预测的准确率.所以,在进行地震响应正演模拟前,非常有必要对该区储层地球物理参数影响因素展开研究,通过分析研究区14口测井资料,建立了岩石物理参数(孔隙度、泥质含量、含流体性)与地球物理参数(速度、密度、波阻抗等)之间的相关关系,分析了不同沉积微相对地球物理参数的控制作用,并给出了相应的数学表达式,为正确认识河流相储层砂体地震响应规律奠定了准确的地球物理参数基础.

Abstract: In QHD32-6 oilfield, the main reservoir is fluvial facies at Nm Formation. The scale of single sandstone is limited, but the combined structural sandstone is so complicated, that we could not interpret hydrocarbon reservoir correctly, because, subject to seismic vertical resolution, the relations between seismic response and combined structural sandstone is undefined. In order to effectively improve the interpretation accuracy, we should define the seismic response of sandstones precisely by using digital seismic forward modeling. So it is very necessary to analysis the influence factors of reservoir geophysical parameters before seismic forward modeling. In this paper,through researching 14 well data, we will establish the relationship between geophysical parameters(P-wave velocity、density、P-wave impedance) and physical property parameters (porosity、VSH、saturation), and analyze the influence of different sedimentary microfacies in this area, then relevant expressions are given out for defining seismic response of fluvial facies combined structural sandstone precisely.

中图分类号:

P631

井涌泉, 余杰, 范廷恩, 陈开远, 胡光义. 2012. 秦皇岛32-6油田明化镇组河流相储层地球物理参数影响因素研究. 地球物理学进展, (4): 1541-1547. doi: 10.6038/j.issn.1004-2903.2012.04.030 .

JING Yong-quan, YU Jie, FAN Ting-en, CHEN Kuai-yuan, HU Guang-yi. 2012. Study on influence factors of fluvial facies reservoir geophysical parameters in QHD32-6 oilfield at Nm Formation. Progress in Geophysics. (4): 1541-1547. doi: 10.6038/j.issn.1004-2903.2012.04.030 .

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秦皇岛32-6油田明化镇组河流相储层地球物理参数影响因素研究

Study on influence factors of fluvial facies reservoir geophysical parameters in QHD32-6 oilfield at Nm Formation

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