Density-Based Flow Restriction in Subterranean Well Vortex Chambers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current flow control systems in subterranean wells struggle to effectively regulate fluid flow based on density, particularly distinguishing between water and gas production, which is crucial for preventing coning and optimizing hydrocarbon production.
Innovation Solution
A flow control system that utilizes a flow restriction member within a vortex-shaped flow chamber, applying centripetal forces to differentiate between fluids of varying densities, allowing or restricting flow based on density, and featuring a degradable material and low friction layers to enhance functionality and longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flow control system uses a flow restriction member within a vortex-shaped flow chamber to differentiate fluids by density, then the ability to selectively regulate water and gas production is improved, but the device complexity increases
Solution Approach 1:
The flow restriction member is designed to move dynamically within the flow chamber based on fluid density. In a vortex flow environment, the member responds to centrifugal forces and fluid dynamics to automatically position itself, enabling selective flow regulation without complex control mechanisms. This dynamic behavior allows the system to adapt to different fluid conditions while maintaining relatively simple device architecture.
Solution Approach 2:
The system exploits changes in fluid density as the key parameter for flow control. By designing the flow restriction member to respond to density variations through buoyancy and centrifugal effects in the vortex chamber, the system achieves selective regulation of water and gas production based on inherent fluid properties rather than requiring complex sensing and actuation systems.
2Productivity
If the flow control system restricts flow of undesired fluids based on density, then production efficiency is improved, but the system may become clogged or fail over time
Solution Approach 1:
The degradable material is strategically placed within the flow control system to be extracted or removed by the flow restriction member during operation. As the member moves through the vortex chamber, it encounters and removes the degradable material, which then degrades and exits the system. This extraction mechanism prevents accumulation of debris or clogging materials, maintaining system reliability while enabling effective flow restriction of undesired fluids.
Solution Approach 2:
The system incorporates degradable material that is intentionally discarded into the flow path where it will be broken down and removed. This discarded material serves a functional purpose during system operation and then naturally degrades, preventing long-term clogging or failure. The flow restriction member facilitates this discarding process by moving the material through the vortex chamber where it can be effectively removed from the system.
3Measurement precision
If a vortex flow chamber is used to apply centripetal forces for fluid differentiation, then density-based separation is improved, but the energy consumption increases
Solution Approach 1:
The vortex flow chamber is designed to generate rotational flow that utilizes the kinetic energy already present in the flowing fluids themselves. The geometry of the chamber and the movement of the flow restriction member work together to create centrifugal forces that separate fluids by density without requiring external energy input for vortex generation. The system essentially uses the flow of fluid to create the separating force, making the energy-efficient differentiation process.
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 system effectively regulates fluid flow by selectively allowing or restricting the passage of fluids based on density, enhancing production efficiency by preventing undesired fluid production and maintaining system integrity over time.
Implementation Method 1
a flow chamber (503) with an inlet (505) and an outlet (507) and configured to induce fluid flow in a vortex shape about an axis within the flow chamber
Implementation Method 2
applying centripetal forces to differentiate between fluids of varying densities
Implementation Method 3
a flow restriction member (509) positioned within the flow chamber (503) and movable to restrict fluid flow from the inlet (505) to the outlet (507) of the flow chamber (503) based upon a density of the fluid
Data Source
AI summary
A flow control system for use in a subterranean well includes a flow chamber comprising an inlet and an outlet that is configured to receive a fluid, and a flow restriction member positioned and movable within the flow chamber. The flow restriction member is configured to restrict fluid flow from the inlet to the outlet of the flow chamber based upon a density of the fluid.