Wellbore Cleaning Visualization Tool for Drilling Parameter Optimization

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Solution Overview

Problem

Inadequate wellbore cleaning during drilling operations due to inaccurate determination of drilling parameters leads to complications such as formation fracturing, logging difficulties, excessive torque, and drag on drilling equipment, resulting in suboptimal drilling performance.

Innovation Solution

A visualization tool is integrated into the drill string to monitor and display drilling parameters like flow rate, fluid properties, and rotational speed, providing real-time feedback on optimal wellbore cleaning performance and recommending adjustments to align with optimal parameters, thereby enhancing cleaning efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If drilling parameters are manually or iteratively determined to optimize wellbore cleaning, then the level of performance can be assessed, but inaccurate determinations lead to inadequate wellbore cleaning and drilling complications

Engineering Contradiction:

Improvedetermination accuracy of drilling parametersVSAvoidwellbore cleaning effectiveness

Core Design Contradiction:

Measurement precisionVSReliability

Solution Approach 1:

The system implements real-time feedback by monitoring actual rate of penetration and comparing it against optimal ROP calculated from drilling parameters. This closed-loop feedback mechanism enables continuous adjustment and accurate determination of optimal drilling parameters, resolving the contradiction between measurement precision and cleaning effectiveness

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent replaces manual or iterative mechanical determination methods with an automated computational system that calculates optimal ROP and drilling parameters using mathematical models and real-time data processing. This substitution eliminates human error and improves determination accuracy

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If rate of penetration is increased to improve drilling speed, then productivity increases, but wellbore cleaning becomes inadequate leading to formation fracturing and excessive torque

Engineering Contradiction:

Improverate of penetrationVSAvoidformation fracturing, excessive torque, and drag

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system dynamically adjusts drilling parameters including ROP, rotational speed, and fluid flow rate based on real-time conditions and optimal parameter calculations. By continuously optimizing these parameters, the system maintains high productivity while preventing harmful effects from inadequate cleaning

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent implements dynamic adjustment of drilling parameters rather than static fixed values. The system adapts ROP and other parameters in real-time based on changing wellbore conditions, formation characteristics, and cleaning effectiveness, allowing productivity optimization without causing harmful effects

Inventive Principle:

Principle #15Dynamics

3Reliability

If drilling parameters are adjusted to ensure substantial wellbore cleaning, then cleaning effectiveness improves, but the determination process becomes complex and time-consuming

Engineering Contradiction:

Improvewellbore cleaning effectivenessVSAvoidparameter adjustment complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system serves multiple functions simultaneously: it monitors drilling parameters, calculates optimal ROP, assesses wellbore cleaning effectiveness, and provides real-time recommendations. This multi-functionality consolidates complex processes into a unified system, reducing operational complexity while maintaining high cleaning effectiveness

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS10240437B2Visualization of wellbore cleaning performance

Publication Date: 2019.03.26 HALLIBURTON ENERGY SERVICES INC

AI summary

A method of performing a drilling operation with a drill bit through a formation. The method including defining optimal settings of drilling parameters for cleaning of a wellbore formed by the drill bit, displaying a graphical indication of the optimal settings of the drilling parameters, determining a maximum rate of penetration of the drill bit based on the optimal settings, displaying, an optimal boundary depicting the maximum rate of penetration, wherein the optimal boundary graphically matches the graphical indication of the optimal settings, displaying, on the visualization tool, an actual boundary depicting an actual rate of penetration of the drill bit, sending a signal to adjust the actual rate of penetration to match the maximum rate of penetration, receiving the signal downhole at a bottom hole assembly, and adjusting the actual rate of penetration of the drill bit using the bottom hole assembly based on the signal.