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Method for forecasting well production and determining ultimate recoveries using bubble point decline curve analysis

机译：气泡点下降曲线分析预测油井产量并确定最终采收率的方法

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摘要

Apparatus and associated methods relate to a decline curve analysis method for predicting oil and gas production from an oil well, where a prediction curve for oil and/or gas data transitions from a first characteristic function to a second characteristic function at the bubble point. In an illustrative example, the first and second characteristic functions may be of the monotonically decreasing type. A distinction between the two characteristic functions may be that the absolute value of the decline for the second characteristic function is greater than or equal to the absolute value of the decline of the first characteristic function for each value of time and/or cumulative oil/gas past the bubble point. In various embodiments, the method may give more accurate predictions for oil and/or gas production once the stimulated reservoir volume reaches the bubble point.

机译：装置和相关方法涉及用于预测来自油井的油气产量的下降曲线分析方法，其中用于油气数据的预测曲线在起泡点处从第一特征函数转变为第二特征函数。在说明性示例中，第一和第二特征函数可以是单调递减的类型。两种特性函数之间的区别可以是，对于每个时间和/或累积油/气值，第二特性函数的下降绝对值大于或等于第一特性函数的下降绝对值超过泡沫点。在各种实施例中，一旦增产的储层体积达到气泡点，该方法就可以对石油和/或天然气的产量给出更准确的预测。

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公开/公告号US10012056B1

专利类型
公开/公告日2018-07-03

原文格式PDF
申请/专利权人 SHALE SPECIALISTS LLC;
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申请/专利号US201715702509
发明设计人 SCOTT LAPIERRE;
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申请日2017-09-12
分类号G01V1/40;G01V3/18;G01V5/04;G01V9;E21B41;E21B47/04;E21B47/06;E21B49/08;G06N5/02;E21B43/26;
国家 US
入库时间 2022-08-21 13:05:00

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