Well Drilling Calibration Quality via Projected Values
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Solution Overview
Problem
Current well-drilling operations face challenges in calibrating drilling apparatuses effectively, particularly in determining the quality of calibrations during drilling processes, which can lead to inefficiencies and potential equipment malfunctions.
Innovation Solution
A computing device and method that calculate projected and calculated values based on data sets from well-drilling apparatuses, applying quality indicators to determine calibration quality, enabling continuous automated drilling operations even with insufficient off-bottom measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated drilling operations are performed with insufficient off-bottom measurements, then productivity is improved by enabling continuous operations, but measurement precision deteriorates due to insufficient calibration data
Solution Approach 1:
The system performs preliminary calibration during off-bottom sections before actual drilling begins. By calculating calibration values (hookload, torque, pressure) when the drill bit is not engaged with the formation, the system prepares accurate baseline measurements that can be used throughout subsequent drilling operations, ensuring measurement precision is maintained even when continuous drilling is performed without additional calibration stops.
Solution Approach 2:
The system creates a virtual copy of calibration data by projecting calibration values from off-bottom sections to on-bottom drilling sections. Using the calibration module, it copies and applies the calibrated parameters (hookload, torque, pressure) across different drilling conditions, allowing continuous operations without requiring direct measurement during every drilling phase while maintaining measurement accuracy through mathematical projection of calibration data.
2Measurement precision
If manual calibration procedures are performed frequently, then measurement precision is improved, but loss of time increases due to operational interruptions
Solution Approach 1:
The calibration module enables continuous calibration maintenance by automatically projecting calibration values from off-bottom sections to on-bottom drilling sections without requiring the drilling operation to stop. This maintains measurement precision throughout the drilling process while eliminating the time loss associated with frequent manual calibration interruptions, as the system continuously applies calibrated parameters across varying drilling conditions.
3Ease of operation
If automated calibration projection is used, then ease of operation is improved by reducing manual intervention, but reliability may worsen due to potential errors in value projection
Solution Approach 1:
The system incorporates feedback mechanisms where the calibration module continuously monitors drilling conditions and adjusts the projection of calibration values based on actual measurements. By comparing projected values with real-time data from sensors measuring hookload, torque, and pressure, the system validates and refines its calibration projections, ensuring reliability is maintained while benefiting from automated operation with minimal manual intervention.
Data Source
AI summary
A calibration quality associated with a well-drilling apparatus can be determined. A projected value and a calculated value based upon a data set corresponding to a time interval section of a rig state of the well-drilling apparatus can be determined. A difference can be calculated between the projected value and the calculated value. A quality indicator can be applied to the difference, and a calibration quality based upon the application of the quality indicator can be determined.