Turbine Fracturing Equipment Layout for Stable 5000 HP Pump Drive
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Solution Overview
Problem
Current turbine fracturing equipment in oil and gas fields lacks stability and high-power output due to immature integration of turbine engines with high-power plunger pumps, resulting in insufficient performance for continuous and high-power operations.
Innovation Solution
A continuous high-power turbine fracturing equipment design featuring a turbine engine aligned with a reduction gearbox, a drive shaft with a 2°-4° angle, and a dual lubrication system powered by an auxiliary system, ensuring stable transmission and operation of the plunger pump at 5000 HP or above, using T1 high-strength steel for the chassis and a five-cylinder plunger pump.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If turbine engine is integrated with high-power plunger pump, then output power is improved, but stability and reliability deteriorate due to immature technology
Solution Approach 1:
The drive shaft is designed with an adjustable angle (2°-4°) rather than being fixed, allowing dynamic optimization of the transmission path. This angular adjustment capability enables the system to adapt to different operating conditions, improving both power transmission efficiency and operational stability simultaneously
Solution Approach 2:
The patent changes the geometric parameters of the transmission system by introducing a specific angular range (2°-4°) for the drive shaft. This parameter optimization resolves the contradiction by finding the optimal angle that balances power transmission with system stability, preventing excessive loading while maintaining high output power
2Reliability
If dual lubrication system is added, then operational stability is improved, but device complexity increases
Solution Approach 1:
The lubrication system is segmented into two independent circuits: a high-pressure lubrication system for the plunger pump and a low-pressure lubrication system for the turbine engine and gearbox. This segmentation allows each subsystem to be optimized independently, providing stable lubrication for high-power operation without requiring a completely complex integrated system
Solution Approach 2:
The dual lubrication system serves multiple functions simultaneously: the high-pressure system provides lubrication and cooling for the plunger pump's high-stress components, while the low-pressure system lubricates the turbine engine and gearbox. This multi-functionality justifies the added complexity by delivering comprehensive protection across all major components
3Productivity
If drive shaft angle is optimized to 2°-4°, then transmission efficiency is improved, but manufacturing precision requirements increase
Solution Approach 1:
Rather than requiring precise fixed-angle manufacturing, the design allows the drive shaft angle to be adjusted within a range (2°-4°). This dynamic approach transforms a precision manufacturing challenge into an operational adjustment parameter, maintaining high transmission efficiency while relaxing manufacturing tolerances
Solution Approach 2:
The patent introduces asymmetric angular positioning (2°-4°) rather than symmetric alignment, optimizing the transmission path for high-power operation. This asymmetric configuration improves transmission efficiency by reducing lateral forces and improving bearing loading, while the angular range provides flexibility to accommodate manufacturing variations
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 equipment achieves stable and efficient high-power operation, reducing failure incidence and meeting the demands of continuous high-power requirements in oil and gas fields by ensuring appropriate lubrication and transmission efficiency.
Implementation Method 1
a lubrication system is driven by an auxiliary power system to ensure that the turbine engine, the reduction gearbox and the plunger pump all run under appropriate circumstances
Implementation Method 2
Turbine-driven fracturing equipment has been developed and applied in the United States and other countries, and has achieved good fracturing effects
Implementation Method 3
a reduction gearbox, a drive shaft and a plunger pump, the turbine engine is arranged in the same straight line with the reduction gearbox, the reduction gearbox is connected to the plunger pump through the drive shaft
Data Source
AI summary
The present invention discloses a continuous high-power turbine fracturing equipment, including a turbine engine, a reduction gearbox, a drive shaft and a plunger pump, the turbine engine is arranged in the same straight line with the reduction gearbox, the reduction gearbox is connected to the plunger pump through the drive shaft, the angle of the drive shaft is between 2° and 4°. The beneficial effects are as follows: chassis T1 materials are selected to provide a stable working platform for the equipment; the turbine engine is arranged in the same straight line with the reduction gearbox, the drive shaft is disposed between the reduction gearbox and the plunger pump, and the angle of the drive shaft is between 2° and 4°, ensuring stable and efficient transmission of the turbine engine, thus reducing the incidence of failure; a lubrication system driven by an auxiliary power system ensures that the turbine engine, the reduction gearbox and the plunger pump all run under appropriate circumstances, and a dual lubrication system ensures that the plunger pump achieves a power operation continuously at 5000 HP or above; with all the above technical means, the requirements of continuous high-power operations for the fracturing equipment would finally be satisfied.