Surface Steerable Drilling System with Real-Time Feedback Control
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Solution Overview
Problem
Current drilling technologies face challenges in accurately and efficiently drilling complex boreholes due to directional drilling complexities, leading to increased costs and potential long-term output reductions from drilling errors.
Innovation Solution
A surface steerable drilling system that utilizes a controller connected to a centralized database, allowing for real-time data collection and analysis to create and adjust drilling plans, monitor drilling operations, and make corrective actions to maintain the planned path, thereby minimizing errors and optimizing drilling efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If current drilling technologies are used for directional drilling, then drilling operations can be performed, but drilling errors increase and manufacturing precision deteriorates
Solution Approach 1:
The system implements a closed-loop feedback mechanism where a controller receives real-time data from sensors monitoring drill string orientation and position, compares actual drilling trajectory against the planned path, and automatically adjusts drilling parameters to correct deviations. This continuous feedback loop maintains manufacturing precision by dynamically compensating for drilling errors as they occur.
Solution Approach 2:
The invention replaces traditional mechanical directional drilling control methods with an automated electronic control system. The controller electronically processes sensor data and automatically adjusts drilling operations, substituting manual mechanical control with precision electronic feedback control to eliminate human error and improve drilling accuracy.
2Manufacturing precision
If real-time monitoring and control systems are implemented, then drilling precision is improved, but device complexity increases
Solution Approach 1:
The controller serves multiple functions within a single integrated device: it processes sensor data, calculates optimal drilling parameters, controls drill string orientation, monitors borehole trajectory, and adjusts drilling operations in real-time. By consolidating these functions into one multi-functional controller, the system achieves high drilling precision without proportionally increasing overall device complexity.
Solution Approach 2:
The control system automatically monitors its own performance and self-adjusts drilling parameters without external intervention. The controller continuously receives feedback from sensors and autonomously makes corrections to maintain the planned borehole path, eliminating the need for complex external monitoring systems and reducing overall system complexity while maintaining high precision.
Data Source
AI summary
A system and method for surface steerable drilling are provided. In one example, the system receives feedback information from a drilling rig and calculates an estimated position of a drill bit in a formation based on the feedback information. The system compares the estimated position to a desired position along a planned path of a borehole. The system calculates multiple solutions if the comparison indicates that the estimated position is outside a defined margin of error relative to the desired position. Each solution defines a path from the estimated position to the planned path. The system calculates a cost of each solution and selects one of the solutions based at least partly on the cost. The system produces control information representing the selected solution and outputs the control information for the drilling rig.