Dump Valve Assembly Prong Lift Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional oil well pumping systems experience wear and damage due to the excessive movement of the ball in the standing valve, particularly when pumping steam, chemical, or hot oil, which requires the ball to be unseated, leading to increased wear and maintenance costs.
Innovation Solution
A dump valve assembly with a seat plug and standing valve design featuring two prongs and channels that lift the ball to open the valve during draining, minimizing movement and wear by allowing fluid to pass through specific ports, reducing the ball's movement within the valve and thus minimizing wear on the valve's interior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the ball in the standing valve is unseated to allow pumped fluid to drain back down, then the pump system can perform drainage operations, but the ball moves around excessively causing wear to the interior of the standing valve
Solution Approach 1:
The patent introduces a duckbill valve as an intermediary component between the ball and the standing valve interior. This flexible membrane valve mediates the drainage function while preventing direct contact between the moving ball and the valve body, thus eliminating wear. The duckbill valve opens to allow drainage when the ball is unseated and closes to prevent backflow, serving as a protective intermediary layer.
Solution Approach 2:
The patent employs a flexible duckbill valve made of thin film material that can bend and flex to control fluid flow. This flexible shell structure allows the valve to open and close dynamically during pumping and drainage operations without requiring the ball to move extensively, thereby protecting the rigid standing valve interior from wear while maintaining drainage capability.
2Ease of operation
If the standing valve is made large enough for the ball to move sideways, then the ball can be moved off the seat for drainage, but the ball moves around too much causing wear to the interior
Solution Approach 1:
The duckbill valve serves as a mediator that decouples the ball's movement freedom from the valve interior's durability. The ball can move freely within the larger standing valve to achieve drainage, but the duckbill valve intercepts this movement and translates it into controlled opening/closing actions, preventing the ball from directly contacting and wearing the valve interior surfaces.
Solution Approach 2:
The patent segments the valve system into distinct functional zones: the ball movement zone (where the ball can move freely), the duckbill valve control zone (where flow is regulated), and the valve body zone (protected from wear). This segmentation allows each component to perform its function optimally without compromising the others, enabling easy operation while maintaining durability.
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 design effectively reduces wear and tear on the standing valve by creating a hydraulic cushion around the unseated ball during pumping operations and allows for efficient drainage without excessive ball movement, thereby extending the lifespan of the valve components.
Implementation Method 1
a ball that is adapted to be lifted by the two prongs in order to open the standing valve
Implementation Method 2
at least one channel; and at least one port for allowing pumped fluid to pass therethrough
Implementation Method 3
creating a hydraulic cushion around the unseated ball during pumping operations
Data Source
AI summary
A dump valve assembly is disclosed. The dump valve assembly has a seat plug that couples to a southern end of a traveling valve, a standing valve, and a ball. The seat plug has two prongs that engage two corresponding slots within the standing valve and that lift the ball off of the standing valve in order to open the standing valve for pump drainage.