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Title: |
Decision Tree Analysis of Possible Drilling Outcomes to Optimise Drilling Decisions |
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Authors: |
Malcolm A. Grant |
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Key Words: |
Decision tree, probability, optimisation, permeability |
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Conference: |
Stanford Geothermal Workshop |
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Year: |
2008 |
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Session: |
Reservoir Engineering |
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Language: |
English |
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Paper Number: |
Grant |
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File Size: |
54KB |
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View File: |
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The distribution of permeability within geothermal fields is generally lognormal. Using distributions from field data, it is possible to determine expected results of drilling, and expected well performance. Using a decision tree of possible actions (drill/accept/sidetrack), drilling costs, and measurements of well injectivity, decision criteria based on injectivity are defined.
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