A method for calculating streamlines in oil reservoir well patterns

Through the reservoir well network flow line calculation method based on fault data, the problem of insufficient accuracy and efficiency in the existing technology when dealing with complex geological conditions is solved, and a more accurate grasp of the oil and gas flow law and the formulation of an optimized development plan is achieved.

CN119249673BActive Publication Date: 2025-03-21QINGDAO UNIV OF SCI & TECH +1
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Patent Information

Application Number
CN202411774479.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-03-21
Estimated Expiration
2044-12-05

AI Technical Summary

Technical Problem

The existing reservoir well network flow line calculation method is insufficient in dealing with complex geological conditions, and fails to make full use of fault data, resulting in insufficient grasp of the oil and gas flow laws, and there are limitations in the formulation of optimization development plans.

Method used

A method of streamline calculation for reservoir well networks based on fault data is proposed. By acquiring well data and fault data, grouping fault data and creating polygonal objects, building an efficient spatial index structure, calculating mainstream lines and shunt lines, and considering the impact of faults, streamline dilution and standardized screening are carried out.

Benefits of technology

It improves the accuracy and efficiency of calculations, can more accurately consider the impact of faults on the well network flowline, and build a clear flowline diagram to facilitate the formulation of reasonable development strategies.

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Abstract

The present invention belongs to the field of reservoir well network streamline calculation, and specifically relates to a reservoir well network streamline calculation method. The method includes obtaining reservoir data, grouping fault data, creating polygon objects, merging these polygons to form an overall polygon combination, constructing a spatial index structure to find nearby points, calculating mainstream and branch lines, and considering the influence of faults, extracting regular streamlines and thinning streamlines according to rules. The present invention proposes a reservoir well network streamline calculation method based on fault data, which fully considers the complex morphology and distribution of faults and improves the accuracy and efficiency of calculation.
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