Adaptive Vibration Models for Drilling Vibration Mitigation
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Solution Overview
Problem
Existing drilling technologies face challenges in managing vibrations during wellbore creation, which impact drilling performance and efficiency, leading to non-productive time and potential equipment damage.
Innovation Solution
A system and method that classifies vibrations using sensor data from past drilling jobs, generates adaptive models to predict and mitigate vibrations, and adjusts drilling parameters in real-time to optimize BHA design and drilling operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If drilling operations proceed without vibration management, then drilling continues without interruptions, but vibrations cause non-productive time and equipment damage
Solution Approach 1:
The system continuously monitors vibration data from downhole sensors and feeds this information back to the surface where adaptive models analyze the patterns. This feedback loop enables real-time detection of harmful vibration mechanisms and triggers corrective actions before equipment damage occurs, resolving the contradiction between maintaining continuous drilling operations and preventing equipment failure.
Solution Approach 2:
The adaptive vibration management system enables the drilling operation to self-diagnose and self-correct vibration problems by automatically analyzing sensor data, identifying vibration mechanisms, and adjusting drilling parameters without requiring external intervention. This self-service capability maintains productivity while protecting equipment through autonomous vibration management.
2Productivity
If adaptive models are extracted and used to manage vibrations, then drilling performance is optimized, but system complexity increases
Solution Approach 1:
The adaptive models serve multiple functions simultaneously: they classify vibration mechanisms, predict harmful vibrations, guide drilling parameter adjustments, and evaluate BHA designs. This multi-functionality allows the system to achieve comprehensive vibration management and optimized drilling performance without proportionally increasing system complexity, as a single modeling framework handles diverse analytical tasks.
Data Source
AI summary
The disclosure provides a solution to problems associated with vibrations during drilling by applying metrics on post job data and providing inputs from past experiences to pre-job planning for drilling jobs. The vibration information and analysis can also be used during a current drilling operation wherein a vibration source can be automatically identified and operating parameters can be changed to mitigate the vibration. The disclosure provides a method of executing a drilling operation, a vibration analyzer, and a drilling system. In one example, the method includes: (1) collecting drilling job data from a completed drilling job, wherein the drilling job data includes sensor data collected from downhole sensors, (2) determining a vibration severity index from the sensor data, and (3) executing at least a portion of a drilling operation based on the vibration severity index.


