TAML-3多口井生产井多级压裂施工

Stanislav Vladimirovich Tuzhilkin, Filipp Igorevich Brednev, Andrey Vladimirovich Yastreb, R. Uchuev, A. E. Parshakov, Rustam Ravilievich Zubaidullin, A. Islamov, A. A. Burkov
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摘要

本文介绍了在云南普里奥布斯科耶油田现有生产井上进行多级压裂的地质依据、过程和效果。按照国际分级标准,采用节省主井的多边tam -3井的建设范围是为了证明多边技术的有效性及其在大量生产井的条件下的经济可行性。每年,我们都会看到越来越多的新井在低渗透率油藏中钻井,这些油藏的特征越来越差。产量的急剧下降(第一年高达70%)和周期井数量的增加凸显了改进增产措施的必要性。与传统的侧钻相比,在保持主钻运行的情况下,通过钻水平段进行修井,可以将产量提高30%。在保持主井的生产速度的同时,该技术提供了侧向井眼的额外生产,并允许在计划的井底压力下作业。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
TAML-3 Multilateral Wells Construction with Multi-Stage Fracturing in Producing Wells
The article presents geological substantiations, the process and the results of the construction of a multilateral well with multistage fracturing from the existing producing well in the Yuzhno-Priobskoye field. The scope of construction of a multilateral TAML-3 well as per the international classification with a saved mainbore was to prove the effectiveness of the multilateral technology and its economic feasibility in the conditions of an extensive stock of producing wells. Every year we are seeing an increasing number of new wells being drilled in reservoirs with worsening characteristics which is caused by low permeability. Sharp production declines (up to 70% in the first year) and an increasing amount of periodic wells highlight the need to advance well stimulation methods. Well workovers by drilling a horizontal lateral while keeping the mainbore in operation allows to increase the production rate by 30% compared to a conventional sidetracking. While keeping the production rate of the mainbore, this technology provides for an additional production from a lateral bore and allows to operate the well at the planned bottomhole pressure.
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