Monoblock Manifold for Surface Cementing Plug Launch
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Solution Overview
Problem
Conventional surface launch cementing plugs used in well drilling operations are inefficient and prone to leaks due to multiple connections, which complicates the process and increases maintenance costs.
Innovation Solution
The apparatus comprises a body and plungers, a manifold system, and a tubular connection, which allows for efficient fluid diversion and plug launching by reducing the number of connections and using a monoblock manifold assembly to minimize leak paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional surface launch cementing plugs are used with multiple connections, then the system can be assembled and disassembled, but the process becomes complicated and leak paths increase
Solution Approach 1:
The patent merges multiple separate connections into a single integrated manifold assembly. The manifold body incorporates multiple flow paths and valve connections within one unified structure, eliminating the need for multiple separate connections between different components. This reduces the number of connection points while maintaining the ability to control fluid flow to multiple locations.
Solution Approach 2:
The manifold assembly serves multiple functions simultaneously: it acts as a fluid distribution system, a valve control system, and a structural support element. The single manifold body provides flow paths to multiple locations, controls fluid direction through integrated valves, and maintains system pressure, replacing what would traditionally require multiple separate components.
2Adaptability or versatility
If multiple connections are used in the conventional system, then fluid can be directed to multiple locations, but leak paths increase and reliability decreases
Solution Approach 1:
By combining multiple flow paths and valve connections into a single manifold assembly, the patent reduces the number of external connection points where leaks could occur. The integrated structure eliminates interfaces between separate components, thereby reducing potential leak paths while maintaining the ability to direct fluid to multiple locations through internal flow channels.
Solution Approach 2:
The manifold assembly uses a monoblock construction that replicates the function of multiple separate connections and valve assemblies within a single continuous structure. This copying of functionality without the physical separation maintains fluid distribution capabilities while eliminating the leak paths associated with multiple connected components.
3Adaptability or versatility
If conventional manifold systems with multiple connections are used, then the system can be configured for different operations, but maintenance costs and complexity increase
Solution Approach 1:
The patent combines multiple valve assemblies and flow control mechanisms into a single manifold body that can be maintained as one unit. This reduces the number of separate components that require maintenance, inspection, and replacement. The integrated design allows for easier access to internal flow paths and valve mechanisms compared to multiple separate connected components.
Solution Approach 2:
While the manifold body is monoblock, the patent incorporates segmented valve assemblies and flow control elements within the unified structure. This allows for targeted maintenance of specific valve sections without affecting the entire manifold system, combining the reliability of a monoblock design with the maintainability of segmented 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 apparatus enhances the efficiency and reliability of surface cementing operations by reducing leak paths, eliminating the need for lift chains, and creating a more cost-effective and maintainable manifold system.
Implementation Method 1
The plungers are movable within the body and the fluid is in communication with the plungers. The plungers may be moved to displace the fluid to launch a cementing plug.
Implementation Method 2
The fluid communication between the plungers and the manifold may be controlled by a manifold valve assembly. The manifold may be monoblock.
Data Source
AI summary
A wellbore plug container includes a body with an interior to house a lower plug and an upper plug, the body having an upper plunger assembly and a lower plunger assembly extending from the side of the body; a manifold system having a manifold body forming a first flow path into the interior of the body at a position below the lower plunger assembly, a second flow path into the interior of the body at a position below the upper plunger assembly, and third flow path into the interior of the body at a position above the upper plug; valves housed within the manifold system to open and close the flow paths; a connection extending from the manifold body and to attach to a piece of pumping equipment; and a tubular connection to connect the body and manifold system to a casing for use with a wellbore.