Offset Fluid Routing Plug for High-Pressure Pump Reliability
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Solution Overview
Problem
Conventional fluid ends used in hydraulic fracturing operations experience premature failure due to fatigue cracks and corrosion, leading to leakage and inability to maintain adequate pressure, with a typical lifespan of only a few hundred operating hours.
Innovation Solution
A fluid end design that incorporates enhanced sealing mechanisms and stress-resistant materials to minimize fatigue cracks and corrosion, including improved packing seals, retainer systems, and robust construction to withstand high pressures and abrasives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fluid ends are used in hydraulic fracturing operations, then they can deliver high volumes of highly pressurized fluid, but they experience premature failure due to fatigue cracks and corrosion
Solution Approach 1:
The fluid end is divided into multiple modular components including a power end, fluid end, and manifold assembly that can be independently replaced. This segmentation allows specific worn or damaged components to be replaced without replacing the entire system, extending overall service life while maintaining reliability under high pressure conditions.
Solution Approach 2:
The patent employs composite material construction with wear-resistant coatings and corrosion-resistant alloys on critical surfaces exposed to high-pressure fluid and proppants. This protective layering prevents fatigue cracks and corrosion while maintaining the structural integrity needed for high-volume fluid delivery.
2Stress or pressure
If conventional fluid ends operate at high pressures of 10,000-15,000 psi, then they can effectively fracture rock formations, but they suffer from leakage and inability to maintain adequate pressure
Solution Approach 1:
The valve system incorporates dynamic sealing elements that automatically adjust and maintain seal integrity under varying pressure conditions. The packing seals and valve seats are designed to conform to pressure changes, ensuring consistent sealing performance whether operating at 10,000 psi or 15,000 psi, preventing leakage and maintaining adequate pressure throughout the fracturing operation.
3Ease of operation
If conventional fluid ends are designed for easy movement on truck beds, then they can be easily positioned at wellsites, but they lack the robust construction needed to withstand extreme operating conditions
Solution Approach 1:
The fluid end system is segmented into modular units that can be easily transported on truck beds and quickly assembled at the wellsite. Each module is designed to be movable yet connects through robust flanged joints and heavy-duty couplings that maintain structural strength during high-pressure operation, reconciling mobility requirements with structural durability.
Data Source
AI summary
A fluid routing plug for use with a fluid end section. The fluid end section being one of a plurality of fluid end sections making up a fluid end side of a high pressure pump. The fluid routing plug is installed within a horizontal bore formed in a fluid end section and is configured to route fluid between an intake and discharge bore. The fluid routing plug comprises a plurality of first and second fluid passages. The first and second passages do not intersect and are offset from one another. The first fluid passages are configured to direct fluid delivered to the horizontal bore from intake bores towards a reciprocating plunger. The second fluid passages are configured to direct fluid pressurized by the plunger towards a discharge bore.