Straight-Line Fluid Path for Fracturing Tree Connections
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Solution Overview
Problem
Conventional hydraulic fracturing systems face challenges in efficiently connecting zipper modules to wellheads across uneven terrain, resulting in excessive setup time, labor costs, safety risks, and decreased pumping efficiency due to complex piping networks and limited adjustability.
Innovation Solution
A system featuring a single straight-line fluid path using coaxially connected valves and conduits between a fracturing tree and a zipper tree, reducing the complexity of connections and allowing for efficient fluid delivery across varying elevations and directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional piping networks are used to connect zipper modules to wellheads across uneven terrain, then the system can accommodate varying elevations and directions, but the setup time and labor costs increase excessively
Solution Approach 1:
The system divides the connection into modular components: a zipper module with multiple ports, individual connection assemblies for each wellhead, and standardized coupling mechanisms. This segmentation allows rapid assembly by connecting pre-fabricated modules rather than installing complex custom piping for each wellhead configuration.
Solution Approach 2:
The connection assembly incorporates adjustable and movable components that can adapt to different wellhead positions and orientations. The dynamic design allows the system to accommodate varying elevations and directions through mechanical adjustment rather than requiring fixed, pre-configured piping networks.
2Adaptability or versatility
If conventional piping networks are used to connect zipper modules to wellheads, then the system can deliver fluid to multiple wellheads, but the complexity of the connection system increases
Solution Approach 1:
The zipper module serves multiple functions: it acts as a manifold for fluid distribution, a connection hub for multiple wellheads, and a control unit for flow management. This multi-functionality eliminates the need for separate dedicated piping systems for each function, significantly reducing overall system complexity.
Solution Approach 2:
The connection system is divided into independent, standardized connection assemblies that can be attached to the zipper module as needed. Each assembly is a self-contained unit with standardized interfaces, allowing complex multi-wellhead configurations to be built from simple, repeatable modules rather than requiring a single complex integrated piping network.
3Adaptability or versatility
If conventional piping networks are used to connect zipper modules to wellheads, then the system can traverse uneven terrain, but the number of potential leak points increases
Solution Approach 1:
The system uses segmented, modular connection assemblies with standardized coupling mechanisms. Each module has sealed interfaces designed for reliable connection, and the modular nature allows for easy inspection and replacement of individual components without affecting the entire system, thereby reducing overall leak risk.
Solution Approach 2:
The connection assembly acts as an intermediary component between the zipper module and wellheads, providing a standardized, sealed interface that accommodates terrain variations. This intermediary includes flexible coupling elements and adjustable positioning mechanisms that maintain sealed connections despite elevation and orientation changes, preventing leaks at connection points.
4Adaptability or versatility
If conventional piping networks are used to connect zipper modules to wellheads, then the system can deliver fluid across varying elevations, but the pumping efficiency decreases
Solution Approach 1:
The connection assembly incorporates dynamic, adjustable components that can be positioned to optimize fluid flow paths. The system can be configured to minimize elevation changes and flow resistance by adjusting the orientation and position of connection modules, thereby maintaining pumping efficiency across varying terrains.
Solution Approach 2:
The zipper module and connection assemblies are designed to create more equipotential flow paths by minimizing unnecessary elevation changes and flow direction changes. The modular design allows positioning of components to reduce gravitational effects on fluid flow, maintaining more consistent pressure and flow rates across different wellhead elevations.
Data Source
AI summary
An oil and gas configuration is disclosed that creates and uses a single straight-line fluid path between a zipper module and a fracturing (or Christmas) tree. The single straight-line fluid path is created through connecting a series of valves (e.g., manual or automatic gate or plug valves) that coaxially share inner fluid passageways for transporting hydraulic fracturing fluid between the zipper module and the fracturing tree. The hydraulic fracturing fluid flows along the single straight-line fluid path upon from the zipper module to the fracturing tree. The fracturing tree is equipped with a multi-way block that directs—through one or more internal angled walls—the hydraulic fracturing fluid downward and toward a wellhead.