Integrated Mechanical Hydraulic Pumping Unit with Chassis Radiator
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Solution Overview
Problem
Mechanical hydraulic pumping units in the oil industry face challenges in efficiently operating oil wells at varying speeds and forces, particularly with steam injection technologies that require different operational conditions during cold and hot cycles.
Innovation Solution
A mechanical hydraulic pumping unit with a radiator integrated, utilizing a single motor to drive dual pumps and a fan, featuring a selector valve for adjusting speed and force settings, and incorporating a compact design with integrated electrical and hydraulic control systems to enhance reliability and reduce parts and connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If three separate motors are used to drive the power pump, recirculating pump, and fan, then each component can be independently controlled, but the device complexity and number of parts increase
Solution Approach 1:
The patent combines three separate motors into a single motor that drives all three components (power pump, recirculating pump, and fan) through a unified drive system. This merging reduces the number of motors from three to one, simplifying the overall device structure while maintaining the ability to control each component's operation through a centralized control system.
Solution Approach 2:
The single motor is designed with multi-functionality to perform the roles of three separate motors. By incorporating a dual pump system and a fan all driven by one motor, the system achieves universal operation where one power source can independently control multiple functions, thereby reducing complexity while preserving adaptability.
2Ease of repair
If multiple separate components (oil tank, radiator, electrical chest, hydraulic chest) are mounted separately, then each component can be accessed and maintained independently, but the overall device complexity and space requirements increase
Solution Approach 1:
The patent integrates multiple separate components including the oil tank, radiator, electrical chest, and hydraulic chest into a unified integrated unit. This consolidation reduces the number of separate components that need to be individually mounted and maintained, simplifying the overall device structure while maintaining access to each component through the integrated design.
3Ease of manufacture
If a conventional design with multiple separate components is used, then each component can be optimized independently, but the overall reliability and simplicity of the machine decrease
Solution Approach 1:
The integrated design merges multiple components into a unified system where the oil tank, radiator, electrical chest, and hydraulic chest form a cohesive unit. This integration improves reliability by reducing the number of connection points and interfaces between separate components, thereby minimizing potential failure points while maintaining the ability to optimize each subsystem within the integrated structure.
4Adaptability or versatility
If multiple connection points and interfaces are used between components, then flexibility in system configuration is improved, but the number of potential failure points and system complexity increase
Solution Approach 1:
The integrated unit combines multiple components with their connection points and interfaces into a unified structure. This merging reduces the total number of external connections and interfaces required, thereby decreasing the number of potential failure points while maintaining internal flexibility for system configuration through the integrated design.
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 unit efficiently manages hydraulic oil flow for lifting oil and hydrostatic columns, allowing for operation at both high and low speeds and forces, improving reliability and reducing complexity while maintaining efficient oil extraction.
Implementation Method 1
a fan (2), which sucks air from the outside and forces the air through the hydraulic oil cooler radiator (10)
Implementation Method 2
a radiator (10), which is located above the motor (3) and between the two oil tanks (9, 11)
Data Source
AI summary
The invention corresponds to a mechanical hydraulic pumping unit with a radiator integrated to the chassis and a hydraulic circuit which allows it to operate with high flow rates and low pressure or with low flow rates and high pressure. This mechanical hydraulic pumping unit with a radiator integrated is used to supply a particular pressurized oil flow to a hydraulic actuator, which in turn lifts the load exerted by a string of rods and lift the hydrostatic column that is inside an oil well. The main feature of this mechanical hydraulic pumping unit with a radiator integrated is that the radiator is part of the machine's chassis and is located in the middle of two hydraulic oil tanks. The first of these tanks is the oil suction tank, while the second is the oil return tank.