Bottom Hole Assembly Location Tracking With Real-Time Toolface Feedback
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Solution Overview
Problem
Current drilling technologies face challenges in managing the complexity of deep and directional boreholes, leading to costly errors and reduced well output due to inadequate planning and communication breakdowns during the drilling process.
Innovation Solution
A surface steerable drilling system that integrates a centralized database with on-site controllers and real-time feedback mechanisms to enhance drilling precision and decision-making, utilizing collected geological and drilling data to create effective drilling plans and adjust operations in real-time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If drilling operations proceed without integrated real-time control systems, then operational simplicity is maintained, but drilling precision and error detection capability deteriorate
Solution Approach 1:
The patent merges multiple previously separate functions (drilling control, surveying, navigation, real-time monitoring) into a single integrated bottom hole assembly. This consolidation enables precise drilling operations while managing system complexity through unified architecture rather than multiple independent systems.
Solution Approach 2:
The bottom hole assembly is designed as a multi-functional universal system that performs drilling, surveying, navigation, and real-time data collection simultaneously. This multi-functionality improves drilling precision without requiring separate specialized equipment for each function, thereby managing overall system complexity.
2Reliability
If traditional drilling methods are used without real-time feedback, then system simplicity is maintained, but error detection and correction capabilities deteriorate
Solution Approach 1:
The patent implements real-time feedback mechanisms where survey data and drilling parameters are continuously monitored and transmitted to the surface. This feedback loop enables immediate error detection and correction, significantly improving reliability while the automated nature of the feedback system manages the complexity burden.
Solution Approach 2:
The system performs preliminary surveying and planning actions before drilling begins, and continues preliminary monitoring throughout the process. This proactive approach to error detection improves reliability by identifying potential issues before they become critical problems requiring complex emergency corrections.
3Measurement precision
If drilling operations are conducted without integrated navigation systems, then operational simplicity is maintained, but location accuracy and target precision deteriorate
Solution Approach 1:
The navigation and surveying systems are nested within the bottom hole assembly, with multiple sensing capabilities integrated at different levels. This nesting approach improves location accuracy by combining multiple measurement techniques while managing complexity through hierarchical integration rather than separate external systems.
Data Source
AI summary
System and method for determining an updated location of a bottom hole assembly (BHA) during drilling of a well are provided. During drilling, a computer system may receive tool face updates and may determine build rate estimates and a borehole depth increase during a toolface update period. The computer system may also calculate an updated estimate of the borehole position.