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| Combining the Fetkovich transient type curves with Arps decline curves and blending them where the two sets of curves meet, results in Fetkovich Decline Type Curves as shown below: | | Combining the Fetkovich transient type curves with Arps decline curves and blending them where the two sets of curves meet, results in Fetkovich Decline Type Curves as shown below: |
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| Important : Fetkovich noted that sometimes the value of b as determined using Arps decline curves was greater than 1( expected to be between 0 and 1). He explained that this could happen if the data being analyzed was still in transient condition and has not reached boundary dominated flow. | | Important: Fetkovich noted that sometimes the value of b as determined using Arps decline curves was greater than 1( expected to be between 0 and 1). He explained that this could happen if the data being analyzed was still in transient condition and has not reached boundary dominated flow. |
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| INSERT Figure 15 : Fetkovich Decline type curves<span style="color: rgb(34, 34, 34); font-family: sans-serif; font-size: 12.8px; line-height: 19.2px;"> (Pending permission approval)</span> | | INSERT Figure 15: Fetkovich Decline type curves<span style="color: rgb(34, 34, 34); font-family: sans-serif; font-size: 12.8px; line-height: 19.2px;"> (Pending permission approval)</span> |
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| Methods specifically developed for unconventional resources are covered in detail in '''Section 7.7''' Methods for Unconventional Resources –State of the Art. | | Methods specifically developed for unconventional resources are covered in detail in [http://petrowiki.org/Types_of_decline_analysis_in_production_forecasting Types of decline analysis in production forecasting]. |
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