Visualized simulation experiment system and method for debris transport process

By designing a visualization simulation experimental system for the cuttings transport process, we achieved real-world simulation of the entire well section and synchronous acquisition of characteristic parameters. This solved the problem of difficulty in observing the cuttings transport process in existing technologies and improved the reliability and accuracy of the experiment.

CN122177003APending Publication Date: 2026-06-09CHINA UNIV OF PETROLEUM (BEIJING)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA UNIV OF PETROLEUM (BEIJING)
Filing Date
2026-02-12
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing technologies are unable to simulate the actual working conditions of the entire well section, and cannot achieve visualized observation of the cuttings transport process and synchronous acquisition of characteristic parameters, which leads to increased operational risks and construction costs due to complex downhole conditions.

Method used

Design a visualization simulation experimental system for cuttings transport process, including a visualization module for the entire well section, a fluid circulation module, a sand addition module, and a data acquisition module. Through a simulated wellbore, a simulated drill pipe, a rotary drive module, a fluid circulation pipeline, a sand addition pipeline, and a data acquisition device, the system enables visualization observation of the entire well section and synchronous acquisition of characteristic parameters.

Benefits of technology

It achieved a realistic simulation of the entire well section's working conditions, improved the visualization and observation of the cuttings transport process and the synchronous acquisition of characteristic parameters, reduced the problems of incomplete working condition coverage and boundary distortion caused by structural simplification, and provided a reliable experimental basis for the study of cuttings transport laws.

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Abstract

This invention provides a visualization simulation experimental system and method for rock cuttings transport, relating to the field of experimental equipment technology. It includes a visualization module for the entire well section, a fluid circulation module, a sand-addition module, and a data acquisition module. The visualization module for the entire well section includes a simulated wellbore, a simulated drill pipe, and a rotary drive module. The fluid circulation module includes a first circulation pipeline and a second circulation pipeline. When the first circulation pipeline is connected, it injects fluid into the bottom of the simulated wellbore and returns it through the annulus and the wellhead of the simulated wellbore. When the second circulation pipeline is connected, it injects fluid into the inlet of the simulated drill pipe and returns it through the bottom of the simulated wellbore, the annulus, and the wellhead of the simulated wellbore. The data acquisition module includes multiple pressure sensors for collecting pressure data in the annulus and an image acquisition device for capturing the flow field in the annulus. This invention achieves full-section simulation, more realistically reproducing the rock cuttings transport process during drilling, avoiding problems such as incomplete coverage of operating conditions and boundary distortion caused by structural simplification. It provides a reliable and unified experimental basis for comparative research and mechanism analysis of rock cuttings transport laws.
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