Dump Valve Assembly Standing Valve Wear Reduction
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Solution Overview
Problem
Conventional oil well pumping systems experience wear and damage due to the large size of standing valves required for pumping steam, chemical, or hot oil, which allows the ball to move excessively, leading to interior wear.
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 and thus minimizing wear on the valve components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the standing valve is made large to pump steam, chemical, or hot oil, then the valve can accommodate the ball movement, but the ball moves excessively causing interior wear
Solution Approach 1:
The invention divides the standing valve into multiple segments: the valve body, the ball, and the duckbill valve. The duckbill valve is positioned to control ball movement laterally, segmenting the valve's function to restrict excessive motion while maintaining the ability to handle various fluids including steam, chemical, and hot oil.
Solution Approach 2:
The duckbill valve acts as an intermediary element between the ball and the valve body. It mediates the ball's movement by allowing vertical displacement for pumping operations while restricting lateral movement that causes wear on the valve interior, thus protecting the valve body from harmful friction.
2Ease of operation
If the standing valve is made large to allow ball movement, then fluid can pass through, but the ball moves around too much causing wear
Solution Approach 1:
The duckbill valve provides dynamic control of the ball's movement. During pumping operations, the ball can move vertically to open and close the valve. The duckbill valve flexes to accommodate this motion while maintaining lateral restraint, creating a dynamic system that ensures both operational ease and component reliability.
3Productivity
If the ball is allowed to move freely to regulate fluid passage, then pumping operation is enabled, but excessive movement causes wear to the standing valve interior
Solution Approach 1:
The duckbill valve provides localized quality control by restricting movement only in the lateral direction where wear occurs, while allowing free movement in the vertical direction where pumping operation requires. This selective constraint maintains productivity while eliminating harmful wear effects.
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 on the standing valve by creating a hydraulic cushion around the ball during operation and allowing controlled drainage, thereby extending the lifespan of the valve components.
Implementation Method 1
The design effectively reduces wear on the standing valve by creating a hydraulic cushion around the ball during operation
Implementation Method 2
at least one channel; and at least one port for allowing pumped fluid to pass therethrough
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 with angled bottom edges 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.