Surface Steerable Drilling Using Formation Feedback Control
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Solution Overview
Problem
Current drilling technologies face challenges in accurately navigating and optimizing the drilling process, especially in complex and deep boreholes, due to the complexity of directional drilling and the inability to effectively utilize real-time data for decision-making, leading to increased costs and potential long-term reductions in well output.
Innovation Solution
A surface steerable drilling system that uses a bottom hole assembly to detect mechanical drilling parameters, identifies geological formation characteristics, and controls the drilling operation based on this data, enabling more precise and efficient drilling by integrating real-time feedback and data analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If directional drilling is used to navigate complex and deep boreholes, then the ability to reach remote reservoirs is improved, but the complexity of the drilling operation increases
Solution Approach 1:
The system continuously monitors mechanical drilling parameters (weight on bit, torque, horsepower, rate of penetration) and uses this feedback to identify formation characteristics and adjust drilling operations in real-time, reducing complexity through data-driven decision making
Solution Approach 2:
The drilling system automatically identifies formation characteristics and steers the borehole trajectory using real-time parameter analysis without requiring constant external intervention, enabling the system to self-adjust to complex conditions
2Manufacturing precision
If real-time data collection and analysis is implemented to improve drilling decisions, then drilling precision is improved, but the device complexity and cost increase
Solution Approach 1:
The system uses a multi-functional approach where the same drilling operation simultaneously collects multiple mechanical parameters (weight on bit, torque, horsepower, rate of penetration) that serve both the drilling function and the formation analysis function, reducing the need for separate specialized equipment
Solution Approach 2:
The system introduces data analysis as an intermediary between raw parameter collection and drilling decisions, using processed information from mechanical parameters to identify formation characteristics and guide steering decisions
3Productivity
If mechanical drilling parameters are monitored to identify formation characteristics, then drilling efficiency is improved, but the measurement and detection difficulty increases
Solution Approach 1:
The drilling parameters themselves (weight on bit, torque, horsepower, rate of penetration) serve dual purposes: they control the drilling operation and simultaneously reveal formation characteristics through their variations, eliminating the need for separate measurement systems
Data Source
AI summary
A method for determining geological formation characteristics involves driving a bottom hole assembly (BHA) in a borehole. At least one mechanical drilling parameter generated is detected responsive to operation of the BHA in the borehole. At least one geological formation characteristic is identified responsive to the detected at least one mechanical drilling parameter. The identified at least one geological formation characteristic is provided to a surface steerable drilling system. Operation of the surface steerable drilling system is controlled responsive to the at least one geological formation characteristic.