Ultra-deep fractured reservoir post-fracturing comprehensive judgment method and system
The invention discloses a post-fracturing comprehensive judgment method and system for an ultra-deep fractured reservoir, and the method comprises the steps: analyzing and judging the development degree and effectiveness of natural fractures of the reservoir according to data in a fracturing constru...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a post-fracturing comprehensive judgment method and system for an ultra-deep fractured reservoir, and the method comprises the steps: analyzing and judging the development degree and effectiveness of natural fractures of the reservoir according to data in a fracturing construction process; the development degree and effectiveness of the natural fracture are analyzed and judged according to the pressure difference between the downhole instantaneous pump stopping pressure after pump stopping and the formation pressure and the pressure drop of the ground pump stopping pressure in the first preset time; analyzing and judging the development degree and effectiveness of the natural crack according to the pressure and time data in the well testing process after pressing; according to the data of the fracturing construction process, the pressure difference between the downhole instantaneous pump stopping pressure after pump stopping and the formation pressure, the pressure drop of the ground p |
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