Single-Piece Valve System for Complete Fluid Diversion in Drilling
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Solution Overview
Problem
Existing fluid diverter systems in well drilling operations face challenges in efficiently controlling fluid flow, particularly in surface cementing operations, where separate components like wings, fins, bolts, and washers can become loose and fail to fully block fluid paths, leading to incomplete diversion and assembly issues.
Innovation Solution
A single-piece valve system with a center frame and outer frame, machined as a unified unit, that can rotate to selectively allow fluid flow through a central bore or perimeter passages, ensuring complete diversion without loose parts, by blocking the main bore when needed and allowing perimeter flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate components (wings, fins, bolts, washers) are used in fluid diverter systems, then assembly flexibility is improved, but reliability deteriorates due to loose parts failing to block fluid paths completely
Solution Approach 1:
The patent merges multiple separate components (wings, fins, bolts, washers) into a single integrated valve body. This unified structure eliminates the reliability issues of loose parts while maintaining the functional capabilities of the original multi-component design. The single-piece construction ensures complete fluid path blocking without the risk of assembly gaps between separate parts.
2Ease of manufacture
If multiple separate components are used in the diverter system, then ease of manufacture is improved, but device complexity increases due to multiple assembly steps
Solution Approach 1:
The patent combines multiple separately manufactured components into a single monoblock valve body. This eliminates the need for assembly steps involving wings, fins, bolts, and washers, thereby reducing device complexity while maintaining manufacturing feasibility through modern machining and casting techniques.
Solution Approach 2:
The valve body is designed with internal segmentation into functional zones (central bore, perimeter passages, flow control elements) that are integrated into a single piece. This allows the valve to perform multiple functions without requiring separate components, simplifying the overall assembly while maintaining functional complexity.
3Adaptability or versatility
If separate components are used in the valve assembly, then adaptability is improved, but loss of substance increases due to incomplete fluid diversion
Solution Approach 1:
The integrated valve body ensures complete fluid diversion by eliminating gaps between separate components. The unified structure provides reliable blocking of fluid paths while maintaining adaptability through internal flow control mechanisms that can direct fluid through different passages based on operational requirements.
Data Source
AI summary
A fluid diverter system for use in well drilling operations, the fluid diverter system includes one or more plug chambers mounted within a pipe, and a first valve positioned adjacent to one of the one or more plug chambers, the first valve rotationally mounted within the pipe to selectively rotate between an open position and a closed position, the open position allows fluid flow through a main bore as created by the one or more plug chambers while blocking fluid flow around a perimeter of the one or more plug chambers; and the closed position allows fluid flow around the perimeter of the one or more plug chambers while blocking fluid flow through the main bore; the first valve is machined and manufactured as a single unit.