Drill Bit Communication Device for Real-Time Data Transmission
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Solution Overview
Problem
Current drill bit designs lack the capability for real-time communication and power transmission of data from sensors to the bottomhole assembly (BHA) due to inadequate space for electronic circuitry and susceptibility to vibrations and thrust forces.
Innovation Solution
A drill bit with a cavity housing a communication device featuring a double spool configuration that allows direct passage of conductors from the drill bit to the BHA, enabling real-time data and power transmission through a conduit, thereby eliminating the need for delicate electronics in the drill bit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If sensors and memory devices are embedded in the drill bit for data collection, then data acquisition capability is improved, but the drill bit becomes susceptible to vibrations and thrust forces that can damage delicate electronics
Solution Approach 1:
The patent extracts delicate electronic components (processors, communication devices) from the drill bit and relocates them to the BHA. Only robust sensors remain in the drill bit, connected via conduits that pass through the drill bit structure. This separation protects sensitive electronics from the harsh drilling environment while maintaining data acquisition capabilities.
2Productivity
If processors are located in the drill bit for real-time data processing, then real-time processing capability is improved, but the drill bit requires adequate space that conflicts with structural requirements and increases vulnerability to damage
Solution Approach 1:
The patent removes processors from the drill bit and relocates them to the BHA, eliminating the need for complex electronic housing and power systems in the drill bit. Data is transmitted through conduits from drill bit sensors to BHA processors, enabling real-time processing without compromising drill bit structural integrity.
3Loss of information
If a communication device is placed in the drill bit cavity for data transmission, then real-time communication capability is improved, but the drill bit requires additional space and structural modifications that may affect drilling performance
Solution Approach 1:
The patent utilizes the drill bit cavity and existing conduits (originally designed for drilling fluid passage) to also serve as pathways for data transmission conductors. This multi-functional use of existing structures enables real-time communication without requiring additional dedicated space or structural modifications in the drill bit.
Data Source
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AI summary
An apparatus made according to one embodiment includes a drill bit that has a cavity at an end thereof and a communication device placed in the cavity, wherein the communication device includes a first section and a second section, wherein an outer dimension of the second section is greater than an outer dimension of the first section, and wherein the second section includes a conduit configured to allow passage of a conductor from the drill bit to a location outside the drill bit so as to provide a direct connection of the conductor from the drill bit to an element outside the drill bit.