Optimization of Placement of Hydraulic Fracture Stages in Horizontal Wells Drilled in Shale Gas Reservoirs

Abstract

PreviousNext No AccessUnconventional Resources Technology Conference, Denver, Colorado, 12-14 August 2013Optimization of Placement of Hydraulic Fracture Stages in Horizontal Wells Drilled in Shale Gas ReservoirsAuthors: Xiaodan MaTatyana PlaksinaEduardo GildinXiaodan MaTexas A&M UniversitySearch for more papers by this author, Tatyana PlaksinaTexas A&M UniversitySearch for more papers by this author, and Eduardo GildinTexas A&M UniversitySearch for more papers by this authorhttps://doi.org/10.1190/urtec2013-151 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract URTeC 1580378 Unconventional plays such as tight gas and shale gas reservoirs have potential of becoming the main source of cleaner energy in the 21th century. Development of unconventional fields requires engineered hydraulic fracturing that facilitates access to larger volumes of the reservoir rock and delivers more hydrocarbon to the production wells. While hydraulic fracturing technology has advanced considerably in application of materials, equipment, and procedures in the last thirty years, design of fracture systems still primarily relies on heuristic judgment of geoscience experts. This study closes the existing gap in computational tools and explores advantages of numerical optimization techniques in automatic design of hydraulic fracture systems. In this work we implement and analyze several optimization algorithms that allow obtaining nearly optimal solutions with reasonable computational time, achieving short- and long-term production goals of unconventional projects, and improving their revenue. In particular, we solve the problem of hydraulic fracture placement with the gradient-based finite difference method (FD), discrete simultaneous perturbation stochastic approximation (DSPSA), and genetic algorithm (GA). Although all presented algorithms approach global optimal solutions for selected test cases, our numerical experiments indicate higher efficiency of DSPSA and GA. We illustrate our findings with a suit of simulation runs based on synthetic field data. Keywords: optimization, fractures, horizontal wells, shale gas, unconventional, production, algorithm Permalink: https://doi.org/10.1190/urtec2013-151FiguresReferencesRelatedDetailsCited ByNovel Self-Adaptive Shale Gas Production Proxy Model and Its Practical Application28 February 2022 | ACS Omega, Vol. 7, No. 10A closed-loop integration of scheduling and control for hydraulic fracturing using offset-free model predictive controlApplied Energy, Vol. 302Ensemble-based optimization of hydraulically fractured horizontal well placement in shale gas reservoir through Hough transform parameterization24 February 2021 | Petroleum Science, Vol. 147Auto-Optimization of Hydraulic Fracturing Design with Three-Dimensional Fracture Propagation in Naturally Fractured Multi-Layer FormationsJiacheng Wang and Jon E. 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