加强生产监测:用于估算油井流速和协助油井测试计划安排的后向分配方法

Q1 Earth and Planetary Sciences
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引用次数: 0

摘要

生产流量对于油气田的运营决策、监控、管理和优化至关重要。此外,流量还具有重要的财务意义,可根据监管机构的要求正确分配产量,或分配多个运营商拥有的油气田的产量。尽管流量非常重要,但通常只能实时测量油气田的总产量,这就需要一种替代方法来估算油井的产量。为了应对这些挑战,这项工作提出了一种回分配方法,利用实时仪器、模拟、算法和数学编程建模来加强油井监测并协助油井测试调度。该方法包括四个模块:模拟、分类、误差计算和优化。这些模块协同工作,以确定流线、井筒和储油层的特征,验证模拟输出,最大限度地减少误差,并计算流量,同时遵守平台总流量。通过分类模块生成的油井状态可提供有关每口油井当前状况的宝贵信息(即油井是否偏离了最新的油井测试参数),有助于油井测试时间安排和优先顺序的决策。通过将该方法应用于一个具有代表性的海上油田,该油田有 14 口生产井和两年的日产量数据,证明了该方法的有效性。结果凸显了该方法在对油井进行正确分类和获得尊重平台总流量的流量方面的稳健性。此外,该方法还支持油井测试调度,并提供可靠的油井状况指标。通过利用实时数据和先进的建模技术,该方法加强了生产监控,有助于石油天然气行业做出明智的运营决策。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhancing production monitoring: A back allocation methodology to estimate well flow rates and assist well test scheduling

Production flow rates are crucial to make operational decisions, monitor, manage, and optimize oil and gas fields. Flow rates also have a financial importance to correctly allocate production to fiscal purposes required by regulatory agencies or to allocate production in fields owned by multiple operators. Despite its significance, usually only the total field production is measured in real time, which requires an alternative way to estimate wells’ production. To address these challenges, this work presents a back allocation methodology that leverages real-time instrumentation, simulations, algorithms, and mathematical programming modeling to enhance well monitoring and assist in well test scheduling. The methodology comprises four modules: simulation, classification, error calculation, and optimization. These modules work together to characterize the flowline, wellbore, and reservoir, verify simulation outputs, minimize errors, and calculate flow rates while honoring the total platform flow rate. The well status generated through the classification module provides valuable information about the current condition of each well (i.e. if the well is deviating from the latest well test parameters), aiding in decision-making for well testing scheduling and prioritizing. The effectiveness of the methodology is demonstrated through its application to a representative offshore oil field with 14 producing wells and two years of daily production data. The results highlight the robustness of the methodology in properly classifying the wells and obtaining flow rates that honor the total platform flow rate. Furthermore, the methodology supports well test scheduling and provides reliable indicators for well conditions. By utilizing real-time data and advanced modeling techniques, this methodology enhances production monitoring and facilitates informed operational decision-making in the oil and gas industry.

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来源期刊
Petroleum Research
Petroleum Research Earth and Planetary Sciences-Geology
CiteScore
7.10
自引率
0.00%
发文量
90
审稿时长
35 weeks
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