A downhole load real-time acquisition method for a drilling tool structure

CN122257769APending Publication Date: 2026-06-23CHINA NAT PETROLEUM CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing technologies cannot accurately identify the actual downhole load on drilling tool components in real time, resulting in low accuracy in drilling tool failure assessment and affecting drilling stability.

Method used

By labeling the working conditions in the drilling parameter time series database, collecting wellbore trajectory and downhole tool vibration data, calculating the total angle change rate, forming a time series table, and dividing the working conditions into Class I and Class II, the data of different working conditions are integrated to form a downhole load time series table, and the downhole load is obtained in real time.

Benefits of technology

It enables real-time and accurate identification of downhole loads on drilling tool structural components, providing a basis for failure assessment and improving drilling stability.

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Abstract

The application discloses a kind of drilling tool structural member downhole load real-time acquisition method, belong to petroleum drilling technical field, comprising the following steps: a, according to different kinds of working condition to time series data working condition annotation;B, calculate the full angle change rate, form time series table;C, the working condition is divided into a kind of working condition and two kinds of working condition, to a kind of working condition acquisition data, fusion forms well load a kind of working condition time series table, to two kinds of working condition acquisition data, fusion forms well load two kinds of working condition time series table;D, fusion well load a kind of working condition time series table and well load two kinds of working condition time series table, form well load working condition time series table, obtain the downhole load of drilling tool structural member by well load working condition time series table.The application can accurately identify the downhole actual load of drilling tool structural member in real time, provide research basis and analysis foundation for carrying out drilling tool structural member failure assessment, beneficial to improve drilling stability.
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Citation Information

Patent Citations

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