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< Natural Gas and Oil > Editorial Department
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Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2013 Vol.3

    Optimization of Horizontal Well Location in Block Su 6 and Su 36-1
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    Key Words： Horizontal well exploitation； Sedimentary micro-facies； Expanding band of sand body； Watercourse route； Well location determination
    Abstract：Block Su 6 and Su 36-11 are typical “three-low” gas fields， in which watercourses frequently migrate to form some superimposed sand bodies with obvious directivity， as a result， scale of their gas reservoirs is small and distribution of sand bodies is limited. It is proven by facts that the reservoirs can be effectively exploited and developed by making use of horizontal well technology. The key of exploitation and development by making use of such technology is to determine the horizontal well location. Analyzed are geologic features of the reservoirs， distribution regularities of gas layers， sedimentary facies of well logging and distribution of sand bodies， etc.， investigated deeply are the main target layer， i.e. the sublayer section of He8 of horizontal wells in the blocks， made are the planar graphs of its distribution and sedimentary micro-facies， which subtly describes the route of its sand bodies in the watercourse. Results obtained from comparative analysis on horizontal wells constructed over the years show that the effect of static and dynamic construction is better only in the case of that the horizontal section direction is kept pace with that of the watercourse. Consequently， determined are locations of the first horizontal wells implemented in 2012， which provides a basis for preparing the overall development plan for future horizontal wells.
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