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Methods, systems and devices for predicting reservoir properties

A technology of equipment and formation, applied in the field of constructing underground dynamic reservoir property models

Inactive Publication Date: 2018-06-08
中海油北美石油无限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, mean-based assessments may provide a limited picture of geological changes in the formation

Method used

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  • Methods, systems and devices for predicting reservoir properties
  • Methods, systems and devices for predicting reservoir properties
  • Methods, systems and devices for predicting reservoir properties

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Embodiment Construction

[0017] During hydrocarbon development, accurate estimates of production rates can help provide information about the value and / or viability of a project / resource. These estimates can also guide the number and location of wells. Due to the high development costs, there is a significant financial incentive to have as much and accurate information as possible. In some instances, compressing the cost and time it takes to obtain information is critical.

[0018] In some estimation methods such as fractal contours, geological contours can be drawn by geologists or computer programs after determining the average well value to estimate information between wells.

[0019] In some embodiments, aspects of the present application may provide potentially more accurate and / or finer-grained predicted production rates based on geologic properties measured between wells.

[0020] figure 1 is a cross-sectional view of a subterranean resource or geological formation 110, which may include a n...

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Abstract

Methods, devices and computer-readable media for predicting hydrocarbon production rates for a subterranean formation are described. A method includes: receiving or generating, by at least one processor, well logs from data collected from at least one well in the subterranean formation; generating from the well logs a predicted production rate log for the at least one well; receiving, by the at least one processor, a field dataset for the subterranean formation, the field dataset including field data at locations in 3-dimensions of a volume of the subterranean formation; identifying the predicted production rate log for the at least one well as one or more targets, determining a transform relating the field data and the predicted rate log for the at least one well; and using the transform,generating a predicted production rate for each location of the volume of the subterranean formation.

Description

technical field [0001] The present application relates to the field of reservoir modeling, in particular to a method, system and equipment for constructing an underground dynamic reservoir property model based on collected physical data. Background technique [0002] Hydrocarbon exploration involves a trade-off between well number, spacing (and associated costs) and data accuracy, which can affect production forecasts and resource development planning. Geological properties obtained from a large number of wells are often averaged over an area to provide a reservoir estimate. For example, mean-based assessments may provide a limited picture of geological variation in formations. Contents of the invention [0003] According to one aspect, the present application provides a method of predicting formation hydrocarbon productivity. The method includes: receiving or generating, by at least one processor, a well log based on data collected from at least one well in a formation;...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00E21B47/00
Inventor 弗雷德里克·戴维·格雷德拉加纳·托多罗维奇-马里尼克拜伦·马修·凯利
Owner 中海油北美石油无限责任公司