Horizontal well geological optimization design method in shaft and reservoir coupling condition

Abstract

The invention discloses a horizontal well geological optimization design method in a shaft and reservoir coupling condition. The method comprises the following steps: carrying out fine reservoir description on a target reservoir, and establishing a fine geological model of the target reservoir; carrying out reservoir numerical modeling so as to amend and complete the fine geological model of the target reservoir; examining the static and dynamic characteristics of the reservoir, confirming and carrying out horizontal well geological design technical specifications and horizontal well geological design technical requirements according to a horizontal well geological optimization design guiding principle in the shaft and reservoir coupling condition, and comprehensively using a reservoir engineering method and a reservoir numerical modeling method to complete horizontal well geological optimization design. The method is clear in principle, simple in steps, high in operability, effective and practical, and the reliability of horizontal well geological design and the precision of horizontal well production prediction are greatly improved, so that the method preferably accords with the actual situations of mine fields, the popularization and application prospects are wide, and the economic and social benefits are obvious.

Description

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AI Technical Summary

Benefits of technology

This patented technology allows for better understanding of how oil or gas develops within an area during drilling operations compared to previous methods such as vertically drilled boreholes. It simplifies the process of optimizing hydrocarbon production from subterranean formations while maintaining their integrity through optimal placement of certain types of equipment used downhole (such as pipelines). Overall this innovation improves efficiency and performance predictive analysis on both exploration-based and mineral resource extraction projects.

Problems solved by technology

The current methods discussed by this patents involve optimally developing horizontals with specific features such as fluid velocity or permeabilities. However, these techniques may be limited due to their limitations related to coupling mechanisms among different components within the borehole system during exploration operations. This limitation can lead to poor performance results when trying to optimize certain aspects like water injection into subterranean formations.

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