Development Geology Key Technology for Horizontal Wells ofCarbonate Gas Reservoir with Low Permeability and Thin Layer

LIU Hai-feng,WANG Dong-xu,XIA Yong,HE Liu,XUE Yun-long,ZHANG Bao-guo

doi:10.11764/j.issn.1672-1926.2013.05.1037

Natural Gas Geoscience >

2013 , Vol. 24 >Issue 5: 1037 - 1041

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.05.1037

Development Geology Key Technology for Horizontal Wells ofCarbonate Gas Reservoir with Low Permeability and Thin Layer

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1.National Engineering Laboratory for Low Permeability Petroleum Exploration and Development,Xi′an 710018,China;
2.Exploration and Development Research Institute of PetroChina Changqing Oilfield Company,Xi′an 710018,China

Received date: 2012-11-22

Revised date: 2013-01-15

Online published: 2013-10-10

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Abstract

According to the developmental difficulties of horizontal well including that erosion groove is developed,main reservoir is thin,the small amplitude structure changes quickly and lateral heterogeneity is strong in Mawu₁₊₂ carbonate reservoir of Jingbian Gasfield,integrated application of seismic technique,reservoir evaluation,technical and economic analysis and numerical simulation of gas reservoir and other research methods,established a series of horizontal well development key geological technology,such as horizontal well trajectory optimization,optimization design and geosteering and trajectory adjustment.Through the application of the technology,horizontal wells effective reservoir drilling rate has achieved more than 60%,the single well production reached 3-5 times of vertical well,and the Jingbian gas field horizontal well realized large scale applications.

Key words： Jingbian Gasfield; Horizontal well; Well location optimization; Trajectory optimization; Geosteering technology

Cite this article

LIU Hai-feng,WANG Dong-xu,XIA Yong,HE Liu,XUE Yun-long,ZHANG Bao-guo . Development Geology Key Technology for Horizontal Wells ofCarbonate Gas Reservoir with Low Permeability and Thin Layer[J]. Natural Gas Geoscience, 2013 , 24(5) : 1037 -1041 . DOI: 10.11764/j.issn.1672-1926.2013.05.1037

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