喇嘛甸油田特高含水期水驱合理开发指标研究
发布时间：2019-06-11 02:57
【摘要】：进入特高含水期以来,喇嘛甸油田水驱各套层系井网间开发状况存在差异,各项开发指标出现新的变化特点,水驱开发面临储量转移、剩余油零散、层内动用差异大、储采比低等诸多矛盾,开发调整难度越来越大。如何保证水驱在无新增可采储量的状况下可持续开发,是急需研究的课题。为此,本文从喇嘛甸油田地质沉积特点入手,通过水驱各层系可采储量评价方法、各层系各项指标变化规律研究方法和未来合理产量规模预测方法,对水驱各项开发指标变化影响因素和进入特高含水期后开发指标的变化规律进行了系统分析,并得出了特高含水期水驱合理开发指标,明确水驱今后调整方向,提高预测的科学性和准确率,为指导水驱特高含水期年度规划提供有力依据。本文研究形成的开发特点认识、潜力研究以及规律认识对指导油田开发调整,提高油田开发效益具有非常重要的意义。在指导水驱规划过程中,确定各项合理指标,减少无效循环产量,规避低效无效开发,提高油田开发效益。
[Abstract]:Since entering the ultra-high water cut stage, there are differences in the development status among the well patterns of each set of water drive strata in Lamadian Oilfield, and new changes have appeared in each development index. The water drive development is faced with reserve transfer, the remaining oil is scattered, and the intra-layer production is very different. Many contradictions, such as low storage-production ratio, make it more and more difficult to develop and adjust. How to ensure the sustainable development of water drive without new recoverable reserves is an urgent research topic. Therefore, this paper starts with the geological and sedimentary characteristics of Lamadian Oilfield, through the evaluation method of recoverable reserves of each layer system of water drive, the research method of the variation law of various indexes of each layer system and the prediction method of reasonable production scale in the future. The influencing factors of water drive development index and the change law of development index after entering ultra high water cut stage are systematically analyzed, and the reasonable development index of water drive in ultra high water cut stage is obtained, and the adjustment direction of water drive in the future is clarified. To improve the scientific nature and accuracy of prediction, and to provide a powerful basis for guiding the annual planning of ultra-high water cut stage of water drive. The understanding of development characteristics, potential and law formed in this paper is of great significance to guide the adjustment of oil field development and improve the efficiency of oil field development. In the process of guiding water drive planning, the reasonable indexes are determined, the invalid cycle production is reduced, the inefficient and invalid development is avoided, and the oil field development benefit is improved.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE357.6
本文编号：2496954
[Abstract]:Since entering the ultra-high water cut stage, there are differences in the development status among the well patterns of each set of water drive strata in Lamadian Oilfield, and new changes have appeared in each development index. The water drive development is faced with reserve transfer, the remaining oil is scattered, and the intra-layer production is very different. Many contradictions, such as low storage-production ratio, make it more and more difficult to develop and adjust. How to ensure the sustainable development of water drive without new recoverable reserves is an urgent research topic. Therefore, this paper starts with the geological and sedimentary characteristics of Lamadian Oilfield, through the evaluation method of recoverable reserves of each layer system of water drive, the research method of the variation law of various indexes of each layer system and the prediction method of reasonable production scale in the future. The influencing factors of water drive development index and the change law of development index after entering ultra high water cut stage are systematically analyzed, and the reasonable development index of water drive in ultra high water cut stage is obtained, and the adjustment direction of water drive in the future is clarified. To improve the scientific nature and accuracy of prediction, and to provide a powerful basis for guiding the annual planning of ultra-high water cut stage of water drive. The understanding of development characteristics, potential and law formed in this paper is of great significance to guide the adjustment of oil field development and improve the efficiency of oil field development. In the process of guiding water drive planning, the reasonable indexes are determined, the invalid cycle production is reduced, the inefficient and invalid development is avoided, and the oil field development benefit is improved.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE357.6
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