多层系油气藏时移地震匹配处理技术

doi:10.11720/wtyht.2019.1202

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Abstract

As is known,the exploration of multi-measures reservoir will cause a lot of time-lapsed seismic matching processing problems,such as time,phase,frequency,and energy difference accumulation caused by complex changes in multi-measures reservoir production.A new method called time-lapsed seismic matching processing technology based on multi-marker horizon is proposed in the paper.By using the stable non-reservoir or undeveloped reservoir at the top and emnploying the internal part and the bottom of the multi-measures reservoir as the reference marker horizon,the time-lapsed seismic matching processing for multi-reservoir is realized,which can effectively eliminate false appearance of lower reservoir time-lapsed seismic difference caused by upper reservoir development.It was applied effectively in X oil field of South China Sea.

Key words： time-lapsed seismic multi-measures reservoir matching processing marker horizon

Received: 24 May 2018 Published: 20 February 2019

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	Articles by authors
	Yun-Feng GAO
	Zong-Jun WANG
	Xu-Xuan LI
	Guang-Yi HU
	Ting-En FAN
	Jing-Yu ZHANG
	Zhen-Yu ZHU

Cite this article:

Yun-Feng GAO,Zong-Jun WANG,Xu-Xuan LI, et al. Time-lapsed seismic matching processing technology for multi-reservoir[J]. Geophysical and Geochemical Exploration, 2019, 43(1): 183-188.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.1202 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I1/183

Reservoir section across well 1X and well 2X in X oilfield

Statistical analysis diagram of amplitude variation caused by time-lapse seismic accumulative time difference in developed oil layer of X oilfield (based on well 1X model)

Seismic profile across well 1X and well 2X in X oilfield (2013)

Comparison of time-lapsed seismic amplitude difference profiles between conventional and multi-marker layer matching processing methods in X oilfield
a—time-lapse seismic amplitude difference profile with conventional matching processing method;b—time-lapse seismic amplitude difference profile with multi-marker layer matching processing method

Comparison of time-lapse seismic P-wave impedance difference attribute maps of layer H11 between conventional and multi-marker layer matching processing methods in X oilfield
a—time-lapsed seismic P-wave impedance difference attribute map with conventional matching processing method;b—time-lapsed seismic P-wave impedance difference attribute map with multi-marker layer matching processing method

Layer H11 log interpretation results of well B1 and well B2 in X oilfield

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