Dimensionless Drilling Energy Surface for Bit Optimization
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Solution Overview
Problem
The complexity of downhole measurements in oil and gas drilling makes it difficult to determine useful relationships between drilling variables like torque, weight on bit, rotation speed, and penetration rate, leading to inefficiencies in drilling operations.
Innovation Solution
Dimensional analysis is used to generate dimensionless products from drilling process variables, visualized in a 3D graph to reveal relationships and improve drilling efficiency by determining bit behavior and comparing different drill bit types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple types of downhole measurements are accumulated to understand geological formations, then measurement comprehensiveness is improved, but data complexity increases making it difficult to determine useful relationships between variables
Solution Approach 1:
The patent extracts and isolates the most critical drilling variables (torque, weight on bit, rotation speed, penetration rate) from the comprehensive set of downhole measurements. By focusing on these key parameters and their interrelationships, the system reduces data complexity while maintaining measurement comprehensiveness for understanding geological formations and optimizing drilling operations.
Solution Approach 2:
The patent segments the comprehensive measurement data into distinct functional groups and relationships. By organizing variables into specific parameter categories and analyzing their interrelationships separately, the system makes the complex data set more manageable and interpretable, allowing operators to understand useful relationships without being overwhelmed by the full complexity of all measurements.
2Productivity
If comprehensive downhole measurements are taken to quantify drilling progress, then drilling efficiency monitoring is improved, but the complexity of analyzing relationships between numerous variables increases
Solution Approach 1:
The patent introduces an intermediary analysis layer that processes comprehensive downhole measurements and presents simplified relationships between key variables. This intermediary system analyzes the complex interactions between torque, weight on bit, rotation speed, and penetration rate, translating comprehensive measurement data into actionable insights about drilling efficiency without requiring direct analysis of all variable relationships.
3Loss of information
If multiple drilling variables are monitored to understand bit behavior, then drilling performance understanding is improved, but the complexity of determining useful relationships between variables increases
Solution Approach 1:
The patent performs preliminary analysis of variable relationships before they become complex problems. By pre-establishing the relationships between drilling variables (torque, weight on bit, rotation speed, penetration rate) and their effects on bit behavior, the system creates a framework for understanding that simplifies subsequent analysis. This preliminary structuring of knowledge reduces the complexity of determining useful relationships during actual drilling operations.
Data Source
AI summary
In some embodiments, an apparatus and a system, as well as a method and article, may operate to generate a surface representing mechanical specific energy as a function of dimensionless products of downhole drilling process variables. Additional actions may include characterizing an area of the surface for different drill bit types, and operating a controlled device according to a location of run data associated with at least one of the different drill bit types and the area on the surface. Additional apparatus, systems, and methods are disclosed.