Inflow Control Device Spring Sealing Barrier
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Solution Overview
Problem
In the drilling and completion industry, existing technologies face challenges in simultaneously reducing fluid loss during certain operations while allowing fluid movement during others through the same port structure, especially in increasingly difficult downhole environments.
Innovation Solution
An inflow control device with a housing, filter media, a closure member, and a spring, optionally featuring a removable dissolvable or degradable barrier, which controls fluid flow by using a compression spring to seal against fluid loss until the barrier is removed, typically by exposure to downhole fluids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a closure member with spring is used to seal against fluid loss, then fluid loss is reduced, but the device complexity increases
Solution Approach 1:
The device is divided into functional segments: a closure member for sealing, a spring for providing sealing force, and a barrier for controlled removal. This segmentation allows each component to perform its specific function efficiently, reducing overall fluid loss while maintaining manageable complexity through modular design.
Solution Approach 2:
The barrier is pre-installed in a position where it will be dissolved or disintegrated by downhole fluids to trigger the opening sequence. This preliminary placement allows the system to automatically transition from a sealed state to an open state without requiring external intervention, reducing operational complexity.
2Adaptability or versatility
If a barrier is added to control fluid flow, then adaptability is improved, but the device complexity increases
Solution Approach 1:
The barrier material is selected to change its properties in response to specific downhole fluid conditions (dissolution or disintegration). This parameter change allows the device to adapt from a sealed configuration to an open configuration based on environmental conditions, providing versatility without requiring complex control systems.
3Reliability
If the closure member is held in sealing position by spring force, then reliability is improved, but the device complexity increases
Solution Approach 1:
The spring automatically maintains the closure member in the sealed position through its inherent elastic force, requiring no external power source or control mechanism. The barrier's dissolution or disintegration automatically triggers the opening sequence, making the system self-regulating and reliable while minimizing complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively manages fluid loss and allows for controlled fluid movement by ensuring a leak-tight seal until the barrier is dissolved or disintegrated, enhancing operational performance in challenging environments.
Implementation Method 1
a spring disposed between the closure member and the filter media
Implementation Method 2
exposing the barrier to a fluid that dissolves or disintegrates the barrier; and dissolving or disintegrating the barrier
Data Source
AI summary
A inflow control device includes a housing. A filter media disposed in the housing. A closure member; and a spring disposed between the closure member and the filter media. A method for controlling fluid loss for a period of time.