Wellbore Cleanup Optimization With Emissions-Aware Choke Scheduling
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Solution Overview
Problem
Conventional wellbore cleanup technologies fail to consider emissions and environmental impact, leading to potential job stoppages and increased costs due to exceeding environmental standards, and lack efficient optimization schemes.
Innovation Solution
A two-stage multi-objective optimization scheme that integrates a cleanup simulator, emissions engine, and aggregator to optimize wellbore cleanup by minimizing emissions, time, and ensuring safe operations through a choke schedule.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional wellbore cleanup technologies pump materials from the wellbore at maximum speed to accelerate completion, then productivity is improved, but emissions and environmental contamination increase
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting operational parameters (flow rate, pressure, choke settings) during wellbore cleanup to optimize the balance between productivity and emissions. The system monitors and modifies these parameters in real-time to maintain efficient cleanup while staying within environmental thresholds.
Solution Approach 2:
The patent implements feedback mechanisms that continuously monitor emissions levels and operational parameters during wellbore cleanup. This feedback loop allows the system to detect when emissions approach threshold values and automatically adjust operational parameters to prevent exceedance, thereby maintaining both productivity and environmental compliance.
2Productivity
If operators ignore environmental concerns to maintain continuous operations, then productivity is improved, but harmful factors increase and permit thresholds are exceeded
Solution Approach 1:
The patent applies preliminary action by establishing emissions monitoring and optimization systems before wellbore cleanup operations begin. The system pre-configures emission thresholds, monitoring protocols, and response strategies to prevent permit exceedance before it occurs, ensuring continuous compliant operations throughout the cleanup process.
3Productivity
If conventional technologies run equipment at maximum speed without optimization, then productivity is improved, but loss of time occurs due to job stoppages for compliance
Solution Approach 1:
The patent implements real-time feedback monitoring of emissions levels during wellbore cleanup operations. This allows operators to detect approaching threshold values and adjust parameters proactively, preventing job stoppages and maintaining continuous productive operations throughout the cleanup process.
Solution Approach 2:
The patent applies dynamics by transitioning from static maximum-speed operation to dynamic parameter adjustment. The system continuously adapts operational parameters based on real-time emissions monitoring, allowing the cleanup process to maintain optimal speed while responding flexibly to changing conditions to avoid compliance interruptions.
4Object-generated harmful factors
If a comprehensive optimization scheme considering emissions is implemented, then harmful factors are reduced, but device complexity increases
Solution Approach 1:
The patent applies universality by designing an optimization system that performs multiple functions: monitoring emissions, tracking operational parameters, predicting threshold approaches, and suggesting parameter adjustments. This multi-functional approach consolidates what could be separate complex systems into a unified platform, reducing overall complexity while achieving comprehensive emissions management.
Data Source
AI summary
Embodiments presented provide for a method for calculation of an optimal scheme for wellbore cleanup. In embodiments, an emissions measure is used to minimize environmental impact from wellbore cleanup activities while establishing the most efficient steps and techniques to be performed during the cleanup activities.