CN204692203U - A kind of hydraulic lifting and automatic controller - Google Patents

A kind of hydraulic lifting and automatic controller Download PDF

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Publication number
CN204692203U
CN204692203U CN201520290711.7U CN201520290711U CN204692203U CN 204692203 U CN204692203 U CN 204692203U CN 201520290711 U CN201520290711 U CN 201520290711U CN 204692203 U CN204692203 U CN 204692203U
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China
Prior art keywords
controller
motor
hydraulic lifting
plunger
pump
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CN201520290711.7U
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Chinese (zh)
Inventor
杭发琴
徐文庆
刘常福
肖姝
宋清新
贺启强
康怡亭
王景恒
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China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering Shengli Co
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China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering Shengli Co
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Abstract

The utility model provides a kind of hydraulic lifting and automatic controller, this device comprises controller, motor, front pump/motor, front Pilot operated check valve, accumulator, rear pump/motor, rear Pilot operated check valve, wellhead hydraulic cylinder and fuel tank, one end of this motor connects this front pump/motor successively, this front Pilot operated check valve and this accumulator, the other end of this motor connects this rear pump/motor successively, this rear Pilot operated check valve and this wellhead hydraulic cylinder, this front pump/motor and this rear pump/motor are connected to this fuel tank, this controller is connected to this motor, and control the operation of this motor, this front pump/motor and this rear pump/motor is rotarily driven to make this motor, drive hydraulic oil, carry out transmission of power, to make described accumulator accumulation of energy or to release energy, the plunger in this wellhead hydraulic cylinder is driven to run up and down.This hydraulic lifting and automatic controller can control hydraulic pressure lifting device and automatically run, and realize process data and regulate, for system cloud gray model provides safety protection.

Description

A kind of hydraulic lifting and automatic controller
Technical field
The utility model relates to petroleum production device, particularly relates to a kind of hydraulic lifting and automatic controller.
Background technique
In oilfield process, pressure break, acidifying are the major measure of oil/water well increasing yield and injection, and the residue impurity produced during fracture acidizing and secondary precipitate etc. easily cause Reservoir Fracture and pore plugging, reduce measure effect.In order to reduce the secondary pollution of measure to downhole formation, after measure, need the row's of returning working fluid as early as possible.It is exploration well oil test continuous draining technology that the up-to-date oil/water well of current scene application returns drainage technique, this technology only adopts mechanical drive mode to realize transmission of power, in the upper and lower running of suspension point, do not have balanced design, time descending by heating resistor consumption suspension point, potential energy does work, and system energy consumption is high.Hydraulic lifting and automatic controller adopt hydraulic pressure and mechanical power transmission system to drive well head lifting hydraulic cylinder, the descending potential energy of roofbolt is stored by hydraulic accumulator, discharge stored energy when roofbolt is up, help motor acting, realize the lifting to down-hole liquid.Hydraulic lifting and automatic controller can make full use of the descending potential energy of roofbolt, help roofbolt up, not only reduce system energy consumption, and reduce the installed power of drive motor, achieve the object that field produces is energy-saving and cost-reducing.
Model utility content
The purpose of this utility model is to provide a kind of hydraulic lifting and automatic controller, realizes the lifting of down-hole liquid, and the object such as process data adjustment, safety protection in production run process.
The purpose of this utility model realizes by following technical measures:
This hydraulic lifting and automatic controller comprise controller, motor, front pump/motor, front Pilot operated check valve, accumulator, rear pump/motor, rear Pilot operated check valve, wellhead hydraulic cylinder and fuel tank, one end of this motor connects this front pump/motor successively, this front Pilot operated check valve and this accumulator, the other end of this motor connects this rear pump/motor successively, this rear Pilot operated check valve and this wellhead hydraulic cylinder, this front pump/motor and this rear pump/motor are connected to this fuel tank, this controller is connected to this motor, and control the operation of this motor, this front pump/motor and this rear pump/motor is rotarily driven to make this motor, drive hydraulic oil, carry out transmission of power, to make described accumulator accumulation of energy or to release energy, the plunger in this wellhead hydraulic cylinder is driven to run up and down.
The purpose of this utility model also realizes by following technical measures:
This hydraulic lifting and automatic controller also comprise high pressure slippage pump and low pressure slippage pump, this high pressure slippage pump is connected to high pressure line and the fuel tank of this hydraulic lifting and automatic controller, this low pressure slippage pump is connected to low-pressure line and the fuel tank of this hydraulic lifting and automatic controller, this controller is connected to this high pressure slippage pump and this low pressure slippage pump, to control this high pressure slippage pump and this low pressure slippage pump, the hydraulic oil in this fuel tank is pumped in the high and low pressure pipeline of this hydraulic lifting and automatic controller.
This controller also detects this high pressure slippage pump and whether this low pressure slippage pump exists fault, and when this high pressure slippage pump or this low pressure slippage pump exist fault, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automatic controller also comprise temperature transducer, heater and air cooler, this temperature transducer is connected to this fuel tank, detect the temperature of hydraulic oil in this fuel tank and the temperature of hydraulic oil is transferred to this controller, this heater is arranged in this fuel tank, this air cooler is positioned at above this fuel tank, this controller is connected to this temperature transducer, this heater and this air cooler, when this temperature transducer detects the setting value lower limit that the temperature of hydraulic oil is arranged lower than this controller, this controller starts this heater, heating fluid force feed; When the setting value upper limit arranged higher than this controller, this controller starts this air cooler, reduces hydraulic fluid temperature.
This controller also detects this air cooler and whether there is fault, and when this air cooler exists fault, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automatic controller also comprise liquid level sensor, this liquid level sensor is arranged in this fuel tank, and be connected to this controller, this liquid level sensor detects the liquid level of this fuel tank and the level value of detection is transferred to this controller, when the liquid level that this liquid level sensor detects is not in the liquid level value range that this controller sets, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automatic controller also comprise energy storage pressure table, this energy storage pressure list catenation is in this accumulator and this controller, detect the pressure of this accumulator, and energy storage pressure is transferred to this controller, when the energy storage pressure that this energy storage pressure table detects is not in the energy storage pressure value range that this controller sets, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automatic controller also comprise wellhead hydraulic cylinder pressure gauge, this wellhead hydraulic cylinder pressure gauge is connected to this wellhead hydraulic cylinder and this controller, detect the pressure of this wellhead hydraulic cylinder, and give this controller by wellhead hydraulic cylinder pressure transmission, when the wellhead hydraulic cylinder pressure that this wellhead hydraulic cylinder pressure gauge detects is not in the wellhead hydraulic cylinder pressure range value that this controller sets, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automatic controller also comprise displacement transducer, this displacement transducer is positioned at this wellhead hydraulic cylinder, the top of this plunger, and be connected to this controller, to detect the displacement of this plunger, and give this controller by plunger displacement information transmission, the Operational Limits that this controller presets according to plunger displacement information and this controller controls rotating forward and reversely of this motor, and this controller also shows in real time to the running state of this plunger.
The Operational Limits that this controller presets comprises the setting stroke of plunger and jig frequency, i.e. the stroke of this plunger and motion speed, and this motor rotates forward, this plunger is up, when this displacement transducer detects that this plunger arrives the CLV ceiling limit value of setting, this motor reverses, and this plunger is descending; When this displacement transducer detects that this plunger arrives lower limit, this motor rotates forward, and this plunger is up; This controller controls the rotating speed of this motor by the spurt of setting, thus controls the motion speed up and down of this plunger.
When the plunger displacement information that this displacement transducer detects exceeds the setting stroke of this controller setting, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automatic controller also comprise solenoid directional control valve; this solenoid directional control valve is connected to this front Pilot operated check valve; this rear Pilot operated check valve and this fuel tank; this controller is connected to this solenoid directional control valve; and by controlling this solenoid directional control valve, this front Pilot operated check valve and this rear Pilot operated check valve are controlled, this plunger realizing this wellhead hydraulic cylinder starts at an arbitrary position and shuts down.
Hydraulic lifting in the utility model and automatic controller, can realize the lifting of hydraulic system to oil well, can also store the descending potential energy of load simultaneously, provide balance to hoisting system, reduces system energy consumption, reduces drive motor power; Controller achieves the functions such as process data adjustment, hydraulic system monitoring of working condition and adjustment, improves automaticity and the Safety performance of hydraulic lifting system operation.Hydraulic lifting in the utility model and automatic controller, control motor by controller and rotate, drive hydraulic system principle, controls wellhead hydraulic cylinder plunger and run up and down, promote and transfer down-hole roofbolt; System intelligent degree is high, has visualized operation interface, real-time display system monitor state, on-line control controling parameters; The uninterrupted pressure and temp etc. to high pressure repairing motor, low pressure repairing motor, hydraulic system carries out monitor and forecast, safeguards system safe and stable operation continuously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of hydraulic lifting of the present utility model and automatic controller.
Embodiment
For making above and other object of the present utility model, feature and advantage can become apparent, cited below particularly go out preferred embodiment, and coordinate shown in accompanying drawing, be described in detail below.
As shown in Figure 1, Fig. 1 is the schematic diagram of hydraulic lifting of the present utility model and automatic controller.This hydraulic lifting and automatic controller bag accumulator 1, motor 2, front pump/motor 3, rear pump/motor 4, wellhead hydraulic cylinder 5, plunger 6, displacement transducer 7, solenoid directional control valve 8, front Pilot operated check valve 9, rear Pilot operated check valve 10, high pressure slippage pump 11, low pressure slippage pump 12, air cooler 13, heater 14, temperature transducer 15, liquid level sensor 16, energy storage pressure table 17, wellhead hydraulic cylinder pressure gauge 18, fuel tank 19, controller 20.Liquid level sensor 16 is for detecting the liquid level of fuel tank 19, energy storage pressure table 17 and wellhead hydraulic cylinder pressure gauge 18 detect the pressure of accumulator 1 and wellhead hydraulic cylinder 5 respectively, displacement transducer 7 is used for detecting the displacement of plunger 6, temperature transducer 15 is for detecting the temperature of hydraulic medium, and air cooler 13 and heater 14 are used for cooling hydraulic medium and heating.
When hydraulic lifting and automatic controller run, pressure, high pressure slippage pump 11 fault, low pressure slippage pump 12 fault, air cooler 13 fault etc. that first controller 20 carries out liquid level, pressure oil temperature, accumulator 1 and wellhead hydraulic cylinder 5 to fuel tank 19 detect; When the pressure of the temperature of the liquid level of fuel tank 19, pressure oil, accumulator 1 and wellhead hydraulic cylinder 5 is not in setting range, when high pressure slippage pump 11, low pressure slippage pump 12, air cooler 13 etc. have a fault, controller 20 carries out malfunction coefficient by operating display and reports to the police; When after failture evacuation, controller 20 starts high pressure slippage pump 11, low pressure slippage pump 12, pumps in the pipeline of hydraulic system by the hydraulic oil in fuel tank 19, for hydraulic system is run ready; Controller 20 actuating motor 2, motor 2 rotarily drives front pump/motor 3 and rear pump/motor 4, drives hydraulic oil, carries out transmission of power, drives the plunger about 6 of wellhead hydraulic cylinder 5 to run; Solenoid directional control valve 8 is controlled by controller 20, front Pilot operated check valve 9 and rear Pilot operated check valve 10 are controlled, the arbitrary position realizing hydraulic system starts and shuts down, its control procedure is: controller 20 controls the different coil electricities of solenoid directional control valve 8 by electrical signal, make the conducting of solenoid directional control valve 8 different port, high pressure or low-pressure fluid, by solenoid directional control valve 8, flow to the control mouth of front Pilot operated check valve 9 or rear Pilot operated check valve 10; When controlling mouth and connecting high-pressure liquid, Pilot operated check valve two-way admittance, hydraulic system is normally run; When controlling mouth and connecting low-pressure fluid, Pilot operated check valve one-way conduction, realizes hydraulic system out of service; Can be regulated Operational Limitss such as the stroke of plunger 6, jig frequencies by controller 20, the Operational Limits of controller 2 according to setting and the detection data of displacement transducer 7, by regulating the commutation of the rotating speed of motor 2, realize the upper and lower of plunger 6 and friction speed operation, in real time display each several part operation conditions.Controller 20 is provided with man machine operation interface, optimum configurations can be carried out, plunger 6 running state shows in real time, fault category shows and flicker is reported to the police; When fuel tank 19 liquid level is low, hydraulic fluid temperature exceeds scope of design, the displacement that displacement transducer 7 detects exceeds setting stroke, and when air cooler 13, high pressure slippage pump 11, low pressure slippage pump 12 electrical fault, controller 20 carries out malfunction coefficient and warning.
When temperature transducer 15 detects that hydraulic medium temperature exceeds system design values scope, if lower than setting value lower limit, controller 20 starts heater 14, heating fluid piezodielectric; If higher than the setting value upper limit, controller starts air cooler 13, reduces hydraulic medium temperature.
Hydraulic lifting in the utility model and automatic controller, control motor 2 by controller 20 to rotate, drive after pump motor 4, hydraulic medium is squeezed to wellhead hydraulic cylinder 5 inner, drive plunger 6 is up, now accumulator 1 releases energy, drive front pump motor 3 rotate, help motor 2 do work; When controller 20 controls motor 2 counterrotating, down-hole load drives plunger 6 descending, squeezed fluid piezodielectric, after driving pump motor 4, driving electric machine 2 rotates, drive front pump motor 3, the acting of descending for plunger 6 potential energy is stored in accumulator 1; In plant running process, controller 20 pairs of hydraulic systems are run and are calculated, analyze and automatically control, and the Operational Limits mainly preset according to plunger 6 displacement signal and controller controls motor 2 and rotates forward and reversely.By the controller setting stroke of plunger and jig frequency (namely the stroke of plunger and motion speed).When plunger 6 is descending; after displacement transducer 7 detects that plunger 6 displacement reaches the stroke of controller 20 setting; controller 20 controls motor 2 and shuts down; then actuating motor 2 counterrotating; hydraulic system drive plunger 6 is up, and when plunger 6 goes upward to after top dead center, controller 20 controls motor powered machine 2 and shuts down; then actuating motor 2 counterrotating, drive plunger 6 is up.Pressure in oil hydraulic circuit is monitored simultaneously, control heater 14 and air cooler 13 pairs of hydraulic medium temperature regulate, control high pressure slippage pump 11, low pressure slippage pump 12 run, adjustment is arranged to controling parameters, security of system situation is monitored, realizes hydraulic lifting system safety, stable operation.

Claims (12)

1. a hydraulic lifting and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller comprise controller, motor, front pump/motor, front Pilot operated check valve, accumulator, rear pump/motor, rear Pilot operated check valve, wellhead hydraulic cylinder and fuel tank, one end of this motor connects this front pump/motor successively, this front Pilot operated check valve and this accumulator, the other end of this motor connects this rear pump/motor successively, this rear Pilot operated check valve and this wellhead hydraulic cylinder, this front pump/motor and this rear pump/motor are connected to this fuel tank, this controller is connected to this motor, and control the operation of this motor, this front pump/motor and this rear pump/motor is rotarily driven to make this motor, drive hydraulic oil, carry out transmission of power, to make described accumulator accumulation of energy or to release energy, the plunger in this wellhead hydraulic cylinder is driven to run up and down.
2. a kind of hydraulic lifting according to claim 1 and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller also comprise high pressure slippage pump and low pressure slippage pump, this high pressure slippage pump is connected to high pressure line and the fuel tank of this hydraulic lifting and automatic controller, this low pressure slippage pump is connected to low-pressure line and the fuel tank of this hydraulic lifting and automatic controller, this controller is connected to this high pressure slippage pump and this low pressure slippage pump, to control this high pressure slippage pump and this low pressure slippage pump, hydraulic oil in this fuel tank is pumped into the height of this hydraulic lifting and automatic controller, in low-pressure line.
3. a kind of hydraulic lifting according to claim 2 and automatic controller, it is characterized in that, this controller also detects this high pressure slippage pump and whether this low pressure slippage pump exists fault, and when this high pressure slippage pump or this low pressure slippage pump exist fault, this controller carries out malfunction coefficient and warning.
4. a kind of hydraulic lifting according to claim 1 and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller also comprise temperature transducer, heater and air cooler, this temperature transducer is connected to this fuel tank, detect the temperature of hydraulic oil in this fuel tank and the temperature of hydraulic oil is transferred to this controller, this heater is arranged in this fuel tank, this air cooler is positioned at above this fuel tank, this controller is connected to this temperature transducer, this heater and this air cooler, when this temperature transducer detects the setting value lower limit that the temperature of hydraulic oil is arranged lower than this controller, this controller starts this heater, heating fluid force feed, when the setting value upper limit arranged higher than this controller, this controller starts this air cooler, reduces hydraulic fluid temperature.
5. a kind of hydraulic lifting according to claim 4 and automatic controller, is characterized in that, this controller also detects this air cooler and whether there is fault, and when this air cooler exists fault, this controller carries out malfunction coefficient and warning.
6. a kind of hydraulic lifting according to claim 1 and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller also comprise liquid level sensor, this liquid level sensor is arranged in this fuel tank, and be connected to this controller, this liquid level sensor detects the liquid level of this fuel tank and the level value of detection is transferred to this controller, and when the liquid level that this liquid level sensor detects is not in the liquid level value range that this controller sets, this controller carries out malfunction coefficient and warning.
7. a kind of hydraulic lifting according to claim 1 and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller also comprise energy storage pressure table, this energy storage pressure list catenation is in this accumulator and this controller, detect the pressure of this accumulator, and energy storage pressure is transferred to this controller, when the energy storage pressure that this energy storage pressure table detects is not in the energy storage pressure value range that this controller sets, this controller carries out malfunction coefficient and warning.
8. a kind of hydraulic lifting according to claim 1 and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller also comprise wellhead hydraulic cylinder pressure gauge, this wellhead hydraulic cylinder pressure gauge is connected to this wellhead hydraulic cylinder and this controller, detect the pressure of this wellhead hydraulic cylinder, and give this controller by wellhead hydraulic cylinder pressure transmission, when the wellhead hydraulic cylinder pressure that this wellhead hydraulic cylinder pressure gauge detects is not in the wellhead hydraulic cylinder pressure range value that this controller sets, this controller carries out malfunction coefficient and warning.
9. a kind of hydraulic lifting according to claim 1 and automatic controller, it is characterized in that, this hydraulic lifting and automatic controller also comprise displacement transducer, this displacement transducer is positioned at this wellhead hydraulic cylinder, the top of this plunger, and be connected to this controller, to detect the displacement of this plunger, and give this controller by plunger displacement information transmission, the Operational Limits that this controller presets according to plunger displacement information and this controller controls rotating forward and reversely of this motor, and this controller also shows in real time to the running state of this plunger.
10. a kind of hydraulic lifting according to claim 9 and automatic controller, it is characterized in that, the Operational Limits that this controller presets comprises stroke and the jig frequency of setting plunger, the i.e. stroke of this plunger and motion speed, this motor rotates forward, and this plunger is up, when this displacement transducer detects that this plunger arrives the CLV ceiling limit value of setting, this motor reverses, and this plunger is descending; When this displacement transducer detects that this plunger arrives lower limit, this motor rotates forward, and this plunger is up; This controller controls the rotating speed of this motor by the spurt of setting, thus controls the motion speed up and down of this plunger.
11. a kind of hydraulic lifting according to claim 9 and automatic controllers, is characterized in that, when the plunger displacement information that this displacement transducer detects exceeds the setting stroke of this controller setting, this controller carries out malfunction coefficient and warning.
12. a kind of hydraulic lifting according to claim 1 and automatic controllers; it is characterized in that; this hydraulic lifting and automatic controller also comprise solenoid directional control valve; this solenoid directional control valve is connected to this front Pilot operated check valve; this rear Pilot operated check valve and this fuel tank; this controller is connected to this solenoid directional control valve, and controls this front Pilot operated check valve and this rear Pilot operated check valve by controlling this solenoid directional control valve, and this plunger realizing this wellhead hydraulic cylinder starts at an arbitrary position and shuts down.
CN201520290711.7U 2015-05-07 2015-05-07 A kind of hydraulic lifting and automatic controller Active CN204692203U (en)

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CN201520290711.7U CN204692203U (en) 2015-05-07 2015-05-07 A kind of hydraulic lifting and automatic controller

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937509A (en) * 2016-06-21 2016-09-14 西安强源电气有限公司 Integrated automatic control hydraulic servomotor
CN106194857A (en) * 2015-05-07 2016-12-07 中国石油化工股份有限公司 Hydraulic lifting and automaton
CN106761570A (en) * 2015-11-24 2017-05-31 中国石油化工股份有限公司 Hydraulic pumping unit intelligent leveling weighing apparatus device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194857A (en) * 2015-05-07 2016-12-07 中国石油化工股份有限公司 Hydraulic lifting and automaton
CN106761570A (en) * 2015-11-24 2017-05-31 中国石油化工股份有限公司 Hydraulic pumping unit intelligent leveling weighing apparatus device and method
CN105937509A (en) * 2016-06-21 2016-09-14 西安强源电气有限公司 Integrated automatic control hydraulic servomotor

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