丛式井平台布置优化研究及应用
发布时间：2018-10-24 10:47
【摘要】：在油田开采过程中,与常用的直斜井技术相比：丛式井布井方案的建设投资少,地表破坏少,由于既能减少建设投资和运行费用,又能有效地保护环境,丛式井布井技术已成为油田开采的热点技术之一,并从最初的环境受限地区扩展到了低产低效的油田。而设置多少个地面平台、平台内有多少口直斜井、平台中心井的位置设在什么地方使油田开发运行最优成为丛式井布井技术迫切需要解决的问题。本文主要研究采用丛式井技术开发整装区块过程中,如何使油田建设总投资最小的优化问题,包括：钻完井、地面建设以及运行等各项费用对油田建设总投资的影响。主要内容包括：1、针对钻完井费用优化问题,建立了钻完井系统费用模型。在综合考虑地面条件、地理位置等无法建设因素的前提下,基于钻完井系统费用优化模型,通过优化求解,可得出平台位置,既能满足现场安全钻井施工的要求,又能大幅降低钻完井综合费用。2、针对油田地面建设费用优化问题,建立了油田地面建设费用模型。油田地面系统是由相应转油(注水)站、配水间(阀组间)、注水井及连接它们的管网、道路以及电力线路组成的复杂的集输处理网络系统,在丛式井平台的数量、位置及与其相连集输管线给定的情况下,研究了系统中油井对平台、平台对阀组间、阀组间对转油站的归属关系,并对平台中心井的位置进行优化,降低油田地面建设费用。3、针对油田建设总投资最小问题,建立了丛式井平台位置优化模型和油田建设总投资(钻完井费用+采油工程费用+地面工程建设费用+运行费用)最小的优化命题,通过优化求解得出平台的优化位置。开发了丛式井平台优化分析软件,实践证明所建立的优化模型的有效性。最后对全文进行了总结和对未来进行了展望。
[Abstract]:In the process of oilfield production, compared with the common technology of straight inclined well, the construction investment and surface damage of cluster well layout scheme are less, because it can not only reduce the construction investment and operation cost, but also protect the environment effectively. The cluster well arrangement technology has become one of the hot technologies in oilfield production and has been extended from the initial environment limited area to the low production and low efficiency oil field. However, how many surface platforms are set up, how many vertical inclined wells are located in the platform, and where the location of the platform central wells is located makes the optimal development and operation of oil fields an urgent problem to be solved by the well layout technology of cluster wells. In this paper, the optimization problem of how to minimize the total investment in oilfield construction is studied in the process of using cluster well technology to develop the whole block, including: drilling and completion, surface construction and operation, etc., which affect the total investment of oil field construction. The main contents are as follows: 1. Aiming at the optimization of drilling and completion cost, the cost model of drilling and completion system is established. Based on the cost optimization model of drilling and completion system, the platform position can be obtained by considering the ground condition, geographical location and other unconstructable factors, which can meet the requirements of safe drilling construction on the spot, and based on the cost optimization model of drilling and completion system, the platform position can be obtained by optimization. It can also reduce the comprehensive cost of drilling and completion. 2. Aiming at the optimization of the cost of oil field surface construction, the paper establishes the model of the cost of oil field surface construction. The oil field surface system is a complex gathering and processing network system composed of corresponding oil transfer (water injection) stations, water distribution stations (valve groups), water injection wells and the pipe networks connecting them, roads and power lines, and the number of platforms in the cluster wells. In this paper, the relationship between the oil well pair platform, the platform versus valve group, the valve group and the valve group is studied, and the location of the platform central well is optimized under the given position of the location and the connected gathering pipeline. Reducing the cost of oil field surface construction. 3. Aiming at the problem of minimum total investment in oil field construction, The optimization model of the platform location of cluster wells and the optimal proposition of the minimum total investment of oil field construction (drilling and completion cost, oil recovery engineering cost, surface engineering construction cost) are established, and the optimal location of the platform is obtained through optimization solution. The optimization analysis software of cluster well platform has been developed, and the effectiveness of the optimization model has been proved by practice. Finally, the paper summarizes the full text and prospects for the future.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TE324
本文编号：2291170
[Abstract]:In the process of oilfield production, compared with the common technology of straight inclined well, the construction investment and surface damage of cluster well layout scheme are less, because it can not only reduce the construction investment and operation cost, but also protect the environment effectively. The cluster well arrangement technology has become one of the hot technologies in oilfield production and has been extended from the initial environment limited area to the low production and low efficiency oil field. However, how many surface platforms are set up, how many vertical inclined wells are located in the platform, and where the location of the platform central wells is located makes the optimal development and operation of oil fields an urgent problem to be solved by the well layout technology of cluster wells. In this paper, the optimization problem of how to minimize the total investment in oilfield construction is studied in the process of using cluster well technology to develop the whole block, including: drilling and completion, surface construction and operation, etc., which affect the total investment of oil field construction. The main contents are as follows: 1. Aiming at the optimization of drilling and completion cost, the cost model of drilling and completion system is established. Based on the cost optimization model of drilling and completion system, the platform position can be obtained by considering the ground condition, geographical location and other unconstructable factors, which can meet the requirements of safe drilling construction on the spot, and based on the cost optimization model of drilling and completion system, the platform position can be obtained by optimization. It can also reduce the comprehensive cost of drilling and completion. 2. Aiming at the optimization of the cost of oil field surface construction, the paper establishes the model of the cost of oil field surface construction. The oil field surface system is a complex gathering and processing network system composed of corresponding oil transfer (water injection) stations, water distribution stations (valve groups), water injection wells and the pipe networks connecting them, roads and power lines, and the number of platforms in the cluster wells. In this paper, the relationship between the oil well pair platform, the platform versus valve group, the valve group and the valve group is studied, and the location of the platform central well is optimized under the given position of the location and the connected gathering pipeline. Reducing the cost of oil field surface construction. 3. Aiming at the problem of minimum total investment in oil field construction, The optimization model of the platform location of cluster wells and the optimal proposition of the minimum total investment of oil field construction (drilling and completion cost, oil recovery engineering cost, surface engineering construction cost) are established, and the optimal location of the platform is obtained through optimization solution. The optimization analysis software of cluster well platform has been developed, and the effectiveness of the optimization model has been proved by practice. Finally, the paper summarizes the full text and prospects for the future.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TE324
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