Permeable Hollow Structures for Downhole Filtration
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Solution Overview
Problem
Existing filtration materials for borehole environments have limited permeability, which hinders effective fluid filtration in downhole operations.
Innovation Solution
A permeable material composed of hollow structures with multiple openings and bonded together to enhance fluid transfer, used in conjunction with a mandrel for a downhole filtration tool, allowing for fluid flow and expansion based on temperature or pressure changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional filtration materials are used in borehole environments, then filtration function is provided, but permeability is limited
Solution Approach 1:
The patent employs hollow structures with internal cavities and wall openings that create a porous network throughout the filtration material. This porous architecture allows fluid to flow through multiple pathways (external surface, wall openings, and internal cavities), significantly enhancing permeability while maintaining effective filtration capability.
Solution Approach 2:
The hollow structures contain internal cavities nested within their walls, creating a nested configuration where fluid can flow through the wall thickness and then through the internal cavity volume. This nested design multiplies the flow pathways and increases overall permeability without compromising the filtration function.
2Productivity
If hollow structures with multiple openings are used, then permeability is improved, but structural complexity increases
Solution Approach 1:
The patent combines multiple functional elements into a single integrated hollow structure: the outer wall provides structural support, the wall openings enable fluid penetration, and the internal cavity creates additional flow volume. This merging of functions into one component achieves high permeability without proportionally increasing overall structural complexity.
Solution Approach 2:
The hollow structures inherently create a porous architecture that simplifies the overall structure while enhancing permeability. The porous nature of the hollow structures provides multiple flow pathways without requiring complex external frameworks or additional components.
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 provides consistent and improved permeability, enabling efficient fluid filtration and adaptability in borehole systems, addressing the limitations of existing filtration materials.
Implementation Method 1
a permeable material including a plurality of hollow structures having a plurality openings therein allowing fluid transfer between an inside volume of the hollow structure and an environment outside of the hollow structure
Implementation Method 2
allowing for fluid flow and expansion based on temperature or pressure changes
Data Source
AI summary
A permeable material including a plurality of hollow structures having a plurality openings therein allowing fluid transfer between an inside volume of the hollow structure and an environment outside of the hollow structure, and a bond between adjacent ones of the plurality of hollow structures. A downhole filtration tool including a mandrel, and the material disposed about the mandrel. An embodiment of a method for making a permeable material including aggregating a plurality of hollow structures into a mass, and bonding the structures together. An embodiment of a borehole system including a borehole in a subsurface formation, and the material, disposed in the borehole.