Multi-position inflow control device sliding sleeve
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Solution Overview
Problem
Existing inflow control devices in well completion systems cannot be adjusted over the life of the well, leading to premature water or gas breakthrough and leaving valuable reserves untapped due to fixed flow settings.
Innovation Solution
A multi-position inflow control device with a sliding sleeve that can be shifted between different positions to adjust flow settings based on changing pressure and fluid composition, allowing for dynamic control of fluid flow through a tubular with multiple chambers and passageways, enabling various flow settings and pressure differentials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed flow settings are used in inflow control devices, then device complexity is reduced and ease of manufacture is improved, but adaptability deteriorates and productivity decreases due to inability to adjust to changing reservoir conditions
Solution Approach 1:
The inflow control device is divided into multiple independently controllable flow control units, each with its own flow control mechanism. This segmentation allows different sections of the device to be adjusted independently based on local reservoir conditions, improving adaptability without requiring complete redesign of the entire device.
Solution Approach 2:
The device incorporates dynamic adjustment capabilities through movable flow control elements that can change flow resistance in real-time. This allows the device to adapt to changing reservoir conditions throughout the well life, transitioning from static fixed settings to dynamic adjustable flow control.
2Loss of time
If fixed flow settings are used in inflow control devices, then manufacturing precision requirements are simplified, but loss of time increases due to premature water or gas breakthrough
Solution Approach 1:
The inflow control device incorporates self-adjusting mechanisms that automatically respond to changing flow conditions and reservoir parameters. This self-service capability allows the device to optimize its own performance without external intervention, preventing premature breakthrough and extending productive operation time.
Solution Approach 2:
The device includes feedback mechanisms that monitor flow rates, pressure differentials, and other operational parameters. This feedback information is used to automatically adjust flow control settings, ensuring optimal performance and preventing premature water or gas breakthrough throughout the well lifecycle.
3Productivity
If fixed flow settings are used in inflow control devices, then ease of operation is improved, but productivity decreases due to inability to optimize fluid extraction over well life
Solution Approach 1:
The device incorporates dynamic adjustment capabilities that allow flow settings to be optimized throughout the well life. Movable flow control elements and adjustable restrictions enable productivity enhancement by adapting to changing reservoir conditions without requiring complex manual reconfiguration.
Solution Approach 2:
The inflow control device is designed with multi-functional capabilities, serving both as a flow regulator and an adaptive optimization system. The same structural components perform multiple functions including flow control, pressure regulation, and automatic adaptation, maintaining ease of operation while enhancing productivity.
Data Source
AI summary
A method of controlling a flow of a fluid through an inflow control device comprising a tubular within which a sliding sleeve having a longitudinal fluid passageway extends, the method includes longitudinally shifting the sliding sleeve, relative to the tubular, into a first, second, or third position, with each position associated with a different pressure differential between an external pressure applied to an external surface of the tubular with an internal pressure within the longitudinal fluid passage, and selecting a first, second, or third flow setting that corresponds with the first, second, and third pressure differential, respectively, at a surface of a well in which the inflow control device is received.