A pumping drive control and detection analysis device based on adaptive analysis

A drive control and analysis device technology, applied in transmission devices, measuring devices, mechanical measuring devices, etc., can solve the problem of not clearly adapting to the driving law curve, etc., and achieve the goal of reducing oil consumption, improving oil pumping efficiency, and increasing life. Effect

Active Publication Date: 2021-11-23
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

However, they do not have the best driving law curves for different pumping unit motors that are clearly adapted to different production conditions, so that the efficiency of the pumping pump is the best.

Method used

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  • A pumping drive control and detection analysis device based on adaptive analysis
  • A pumping drive control and detection analysis device based on adaptive analysis
  • A pumping drive control and detection analysis device based on adaptive analysis

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Embodiment 1

[0030] Embodiment 1: as Figure 7 as shown, Figure 7 The medium simulation device includes a simulation drive unit, a sprocket transmission speed control unit, a simulation pumping unit, a downhole simulation unit and a simulation dynamometer; taking Well X in Jiangsu Oilfield as an example, the stroke is 2.86 meters, the stroke frequency is 2.8, and the pump diameter is 31 mm, the pump depth is 1601.80 meters, the maximum load is 48.73kN, the minimum load is 21.96kN, and the daily liquid production volume is 2.99 cubic meters. When the oil well system is running, the dynamometer diagram is obtained through the dynamometer. The dynamometer diagram is input into the monitoring and control equipment of the expert system, and the profile of the driven sprocket is elliptical through the parameter analysis and calculation unit. Therefore, the long-short axis ratio of the driven elliptical sprocket is 2:1, and the rotation center is the long axis. The upper bias, the gear ratio o...

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Abstract

The invention relates to a pumping drive control and detection and analysis device based on self-adaptive analysis, comprising: monitoring and control equipment, a dynamometer, a frequency converter, a rotational speed sensor and a communication module; the monitoring and control equipment and the communication module are connected to each other, and the communication module The output end of the pumping unit is connected to the inverter, drive unit, pumping unit, and dynamometer in turn, and then connected to the input end of the communication module. The drive unit is also connected to the communication module through a speed sensor, and the pumping unit is also connected to the subsequent pumping mechanism for monitoring and control. The equipment includes a control panel, a memory and an expert analysis system; the present invention utilizes the expert analysis system to simulate and analyze the power conditions of the pumping unit obtained on the spot, the production capacity conditions of the oil well, etc., and obtain the optimal driving law curve of the pumping unit motor, thereby Adaptively change the driving mode of the pumping unit motor to achieve flexible control, so that it can match the working conditions of the oil wells on site, improve pumping efficiency, reduce pumping consumption, and increase the life of the pumping system.

Description

technical field [0001] The invention relates to the technical field of oil recovery, in particular to a pumping drive control and detection and analysis device based on self-adaptive analysis. Background technique [0002] The beam pumping unit is the earliest and most common pumping unit used today. However, as oilfield exploitation enters the middle and later stages, the original constant-speed drive of the beam pumping unit is not suitable for various complex production conditions. Therefore, adaptive control of the oil pumping process is required, and the oilfield frequency conversion control motor speed technology is thus obtained. extensive development and application. The existing frequency conversion control motor speed technology is based on the depth of the lower pump and the measured depth of the dynamic liquid surface to judge the fluid supply situation in the well, or adjust the motor speed by frequency conversion by measuring and calculating the electric energ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/12E21B47/009G01B5/02F04B47/14G01L5/00F16H9/24F16H61/02
CPCE21B43/121E21B43/127E21B47/009F04B47/14F16H9/24F16H61/0262G01B5/02G01L5/0061
Inventor 段志刚李汉周王志司志梅
Owner CHINA PETROLEUM & CHEM CORP
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