Automated Directional Drilling Control for ROP/WOB Setpoint Balance

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Solution Overview

Problem

Current directional drilling control systems rely on human intervention for adjusting drilling parameters, leading to inconsistencies and increased costs due to variations in operator skill and competency, which can result in human error and damage to the bottom hole assembly.

Innovation Solution

An automated directional drilling control system that automatically adjusts drilling parameter setpoints, such as ROP and WOB, using a programmable logic computer to optimize performance by continuously calculating metrics and adhering to predefined constraints.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual adjustment of drilling parameters by operators is used, then flexibility and adaptability to changing conditions are maintained, but inconsistencies in quality and efficiency occur due to variations in operator skill and competency

Engineering Contradiction:
Improveadaptability to changing drilling conditionsVSAvoidconsistency in drilling quality and efficiency
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The system enables self-service by allowing the drilling system to automatically adjust its own parameters through real-time monitoring and automated control algorithms, eliminating the need for manual operator intervention while maintaining both adaptability and consistency

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system implements continuous feedback loops where sensors monitor drilling parameters and performance metrics, which are then processed by control algorithms that automatically adjust drilling parameters to maintain optimal performance and consistency

Inventive Principle:
Principle #23Feedback

2Adaptability or versatility

If manual adjustment of drilling parameters is used, then operator judgment and experience can be applied, but human error can result in damage to the bottom hole assembly

Engineering Contradiction:
Improveoperator judgment and experienceVSAvoidrisk of human error causing damage
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system replaces the mechanical decision-making process of human operators with automated electronic control systems and algorithms that eliminate human error while maintaining adaptive control through real-time data processing and automated parameter adjustment

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Manufacturing precision

If automated directional drilling control system is implemented, then consistency and efficiency are improved, but system complexity increases

Engineering Contradiction:
Improveconsistency in drilling operationsVSAvoidcomplexity of control system
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The control system achieves multi-functionality by integrating real-time monitoring, data processing, parameter optimization, and automated control adjustment into a single unified system, reducing the need for separate specialized systems while maintaining comprehensive control capabilities

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250264016A1Automated directional drilling control system
Publication Date: 2025.08.21 NABORS DRILLING TECHNOLOGIES USA INC
  • US20250264016A1 patent drawing
  • US20250264016A1 patent drawing
  • US20250264016A1 patent drawing

AI summary

Systems and methods for an automated directional drilling control system including a programmable logic computer (“PLC”) configured with one or more constraint and configured to calculate one or more metrics to automatically adjust drilling parameter setpoints to optimize performance. During performance of a first portion of a slide drill segment, the automated directional drilling control system is configured to maximize a rate of penetration (“ROP”) while maintaining a desired slide score. After one or more conditions are met during the first portion of the slide drill segment, a second portion of the slide drill segment is performed during which the automated directional drilling control system controls either a ROP setpoint parameter or a weight on bit (“WOB”) setpoint parameter while floating the setpoint of the non-controlling parameter at a value above its current average value. The selection of the controlling parameter can be toggled back and forth manually or automatically.