Developmental Problems and Strategies of Reef-shoal Carbonate Gas Reservoir

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  • 1.Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China;
    2.Research Institute of Petroleum Exploration and Development,Southwest Oil and Gas Field Company, Chengdu 610050,China

Received date: 2013-05-20

  Revised date: 2013-06-21

  Online published: 2014-03-10

Abstract

 Reef-shoal carbonate gas reservoir is different from conventional sand gas reservoir and the effective development of this kind of reservoir is facing some problems.Longgang Gas field is a typical reef-shoal carbonate gas reservoir.The geological research and the trial production showed some characteristics,including the huge heterogeneity of reservoir,the extreme complexity of fluid distribution,the crucial influence on gas wells of formation water and the significant discrepancy in different development wells.The effective development of it mainly encountered problems of reservoir heterogeneity evaluation,fluid distribution description,reserves calculation and productivity evaluation.Aiming at these problems and development characteristics,four technical development strategies were proposed.(1)Utilize well-seismic combination technology for fine reservoir description to enlarge the gas reservoir development scale;(2)Use irregular well networks in the process of well pattern to improve the efficiency of gas reservoir development;(3)Strengthen dynamic monitoring and increase the ability of scientific management to improve the management levels of gas reservoir development;(4)Adhere to the development concept of integrated development to reduce the risk of gas reservoir development.The formulation of gas reservoir development technology strategies can provide guidance for the effective development of Longgang gas reservoir.

Cite this article

YAN Hai-jun,JIA Ai-lin,HE Dong-bo,GUO Jian-lin,YANG Xue-feng,ZHU Zhan-mei . Developmental Problems and Strategies of Reef-shoal Carbonate Gas Reservoir[J]. Natural Gas Geoscience, 2014 , 25(3) : 414 -422 . DOI: 10.11764/j.issn.1672-1926.2014.03.414

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