Exploration and practice of non-uniform time-lapse seismic key technology in Shengli Oilfield

RUI Yong-Jun; SHANG Xin-Min

doi:10.11720/wtyht.2021.1219

2021 Vol. 45, No. 6

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Article navigation > Geophysical and Geochemical Exploration > 2021 > 45(6): 1439-1447

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RUI Yong-Jun, SHANG Xin-Min. 2021. Exploration and practice of non-uniform time-lapse seismic key technology in Shengli Oilfield. Geophysical and Geochemical Exploration, 45(6): 1439-1447. doi: 10.11720/wtyht.2021.1219

Citation:

RUI Yong-Jun, SHANG Xin-Min. 2021. Exploration and practice of non-uniform time-lapse seismic key technology in Shengli Oilfield. Geophysical and Geochemical Exploration, 45(6): 1439-1447. doi: 10.11720/wtyht.2021.1219

Exploration and practice of non-uniform time-lapse seismic key technology in Shengli Oilfield

Geophysical Research Institute of Shengli Oilfield Company,Dongying 257022,China

Received Date: 11 May 2020

Revised Date: 20 December 2021

Publish Date: 21 December 2021

Abstract

Abstract

Time-lapse seismic survey is an effective technique for reservoir dynamic description,but it has not been widely used since its success in the last century due to the high cost and the limitation of its application range.Since 2007,Shengli Oilfield has put forward the idea of non-uniform time-lapse seismic survey in view of the current situation of the secondary acquisition seismic survey in high mature exploration area.Aiming at tackling a series of technical problems,such as how to evaluate and eliminate the influence of non-uniform acquisition system, how to detect the small difference of monitor changes and how to comprehensively use the time-lapse results,researchers have spent more than ten years to innovate the key technologies,i.e.,the matching technology of non-uniform time-lapse seismic acquisition system,the pre-stack cross equalization technology based on well data,the joint optimization technology of pre-stack and post-stack sensitive attributes,and the comprehensive interpretation technology of time-lapse seismic based on reservoir value.The time-lapse seismic technology of water-drive complex fault block reservoir,small-scale gas reservoir boundary monitoring and steam huff and puff heavy oil reservoir has been formed.The application demonstration of six blocks with an area of 300 square kilometers has been carried out,which shows the broad prospect of the achievements and broadens the ability of reservoir geophysical technology to solve the development problems.
- Shengli Oilfield /
- non-uniform /
- time-lapse seismic survey /
- reservoir monitoring /
- secondary acquisition seismic survey

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References

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