Downhole Component Order Determination via Power Direction Feedback
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Solution Overview
Problem
In the resource recovery industry, determining the order and direction of electronic components in a downhole string is time-consuming and inefficient with conventional systems, as they lack a method to accurately establish the power direction and component order in a borehole environment.
Innovation Solution
A system and method where electronic components in a downhole string are connected in series with a conductor, each equipped with a controller that detects power direction and sends a message indicating the direction, allowing a master component to determine the order of components based on these messages, thereby reducing the time needed to establish tool order and direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional systems are used to determine the order and direction of electronic components in a downhole string, then the determination process is performed, but it is time-consuming and inefficient
Solution Approach 1:
Each electronic component detects the power direction and sends a message containing an indicator of the power direction back to the master electronic component. This feedback mechanism enables the master component to determine the order and direction of all components by processing these returned messages, significantly improving determination efficiency compared to conventional sequential methods
Solution Approach 2:
The system performs power direction detection and message sending in parallel across all electronic components simultaneously. By executing these determination actions concurrently rather than sequentially, the system reduces the total time required for establishing tool order and direction while maintaining accurate determination
2Measurement precision
If each electronic component detects power direction and sends messages through the conductor, then the master component can determine component order accurately, but the system complexity increases
Solution Approach 1:
Each electronic component is equipped with a controller that performs multiple functions: detecting power direction, generating messages with direction indicators, and transmitting these messages through the conductor. This multi-functional design enables accurate determination of component order while utilizing existing hardware resources efficiently, avoiding the need for separate dedicated determination systems
Solution Approach 2:
The conductor serves as an intermediary that carries both power and communication messages between electronic components. By utilizing the existing conductor infrastructure for both power transmission and data communication, the system achieves accurate component ordering without adding separate complex communication wiring, thus limiting the increase in system complexity
Data Source
AI summary
A system for determining an order of electronic components in a downhole string includes a plurality of electronic components connected in series by a conductor and forming a series of electronic components, the plurality of electronic components including a master electronic component. For each electronic component in the series of electronic components, the controller is configured to detect a power direction, where the power direction is an uphole power direction when power from the power supply is received at an uphole side of the electronic component, and is a downhole power direction when power is received at a downhole side of the electronic component. The controller is configured to send a message through the conductor including an indicator indicating the power direction, and the master electronic component is configured to receive the message and determine an order of electronic components in the series of electronic components based on the indicator.