CN207989009U - Oil pumping control system based on hydrodynamic face and casing pressure - Google Patents
Oil pumping control system based on hydrodynamic face and casing pressure Download PDFInfo
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- CN207989009U CN207989009U CN201721922522.2U CN201721922522U CN207989009U CN 207989009 U CN207989009 U CN 207989009U CN 201721922522 U CN201721922522 U CN 201721922522U CN 207989009 U CN207989009 U CN 207989009U
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- oil
- communication module
- pressure
- oil pumping
- hydrodynamic
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Abstract
The oil pumping control system based on hydrodynamic face and casing pressure that the utility model discloses a kind of, including main control platform, oil production detector, hydrodynamic surface cover presses detector, oil pumping regulating mechanism and solenoid valve, main control platform includes master controller, touch screen, memory and timer, the output of master controller is terminated with adjuster and signal relay, regulating mechanism of pumping includes sequentially connected AC power, A.C. contactor, frequency converter and motor, A.C. contactor is connect by relay with signal relay, it includes detection controller that hydrodynamic surface cover, which presses detector, detect communication module, air pump, sound collecting device and pressure sensor for detecting casing annulus pressure.The utility model adjusts frequency converter output frequency using oil well actual measurement depth compared with set depth, controls the jig frequency of pumping unit, is opened and closed using pressure change electromagnetic valve for adjusting, adjusts pressure in oil well annular space, stablizes hydrodynamic face, pumping unit is made to be in best oil pumping state.
Description
Technical field
The utility model belongs to oil pumping control technology field, and in particular to a kind of oil pumping control based on hydrodynamic face and casing pressure
System.
Background technology
Fluid level depth of oil well determines the submergence of flowing bottomhole pressure (FBHP) and pumping unit, and change in depth is to oilwell produced fluid amount and pumping
Oily efficiency impacts.As hydrodynamic face is deepened, the head of liquid of pumping unit epimere reduce so as to cause have more gases into
Enter to reduce the pump efficiency of pumping unit in pumping unit, pumping unit still can make oil well be in low-producing work with the operation of original jig frequency
State.In addition, in oil extraction process, when casing pressure increases, casing pressure provides part energy for the liquid in oil well, pushes
Liquid enters in pump barrel, to improve the coefficient of fullness of pumping unit, still, when casing pressure increases to certain value, if continuing to increase
Greatly, mainly gas is being flowed in oil pipe, gas enters pumping unit, the phenomenon that causing pumping unit to be not fully filled, same to drop
The low pump efficiency of pumping unit, also, when gases affect is serious, due to compression and expansion of the gas in pumping unit so that inhale
Entering valve can not open and take out not fuel-displaced, appearance " gas lock " phenomenon.Current oil pumping control system is typically based on closing for hydrodynamic face
Ring control system, this kind of control system only consider the influence of hydrodynamic face single factors, do not consider the oil well of different fluid supply capacities
Casing pressure value change influence to oil recovery amount, there is significant limitation, and since this kind of closed-loop control system is frequently with line
Property control method is controlled, and control effect is poor, and efficiency of the pumping unit cannot be steadily in the long term maintained to highest state.In addition,
Most of current casing pressure control is manual control, and scene is periodically gone to open manual ball valve according to casing pressure table data by operating personnel
It is discharged, the mode of this manual control is complicated for operation, and human cost is high.Therefore, reasonable according to dynamic oil level and casing pressure
The jig frequency for controlling pumping unit has great importance to the pump efficiency for improving pumping unit.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide one kind and are based on
The oil pumping control system in hydrodynamic face and casing pressure, it is novel in design reasonable, it utilizes air pump to generate infrasonic detection oil well depth, uses
Sound collecting device obtains infrasound echo-signal and detects oil well depth, and change is adjusted compared with set depth using oil well actual measurement depth
Frequency device output frequency, and then the jig frequency of pumping unit is controlled, while using pressure in pressure sensor acquisition oil well annular space, utilizing pressure
Power changes electromagnetic valve for adjusting opening and closing, and then realizes that pressure is adjusted in oil well annular space, helps to stablize hydrodynamic face, pumping unit is made to be in
Best oil pumping state, convenient for promoting the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is：Oil pumping based on hydrodynamic face and casing pressure
Control system, it is characterised in that：Oil production detector including main control platform and on oil storage tank for detecting oil pumping amount,
And it is installed in oil well mouth and presses detector, for controlling oil pumping machine oil pumping for detecting the hydrodynamic surface cover of data in detection oil well
The oil pumping regulating mechanism of efficiency and the solenoid valve for controlling casing annulus pressure, the main control platform include master controller and
Touch screen, memory and the timer being connect with master controller, the output of master controller is terminated with opens for controlling solenoid valve
The adjuster of degree and signal relay for driving the oil pumping regulating mechanism, the oil pumping regulating mechanism is including being sequentially connected
AC power, A.C. contactor, frequency converter and motor, A.C. contactor connect by relay with signal relay, is moved
Liquid level casing pressure detector is communicated by the first communication module and master controller, and frequency converter passes through the second communication module and master controller
Communication, oil production detector are communicated by third communication module and master controller；It includes that detection controls that hydrodynamic surface cover, which presses detector,
Device and the detection communication module for connecting with detection controller and being used to communicate with the first communication module, detect the output end of controller
It is connected to the air pump for detecting hydrodynamic face position data, the input for detecting controller is terminated with for receiving hydrodynamic face position data
Sound collecting device and pressure sensor for detecting casing annulus pressure.
The above-mentioned oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：The sound collecting device and pressure
Sensor is connected by A/D conversion modules with the input terminal of detection controller, and air pump passes through switch module and detection controller
Output end connect.
The above-mentioned oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：The detection communication module, first
Communication module, the second communication module and third communication module are wire communication module or wireless communication module.
The above-mentioned oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：The wire communication module is
RS485 serial communication modules, the wireless communication module are ZIGBEE wireless communication modules.
The above-mentioned oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：The memory stores for FLASH
Device and RAM memory.
The above-mentioned oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：The sound collecting device is microphony
Device.
The above-mentioned oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：The master controller and detection are controlled
Device processed is STM32F205 controllers.
The utility model has the following advantages compared with prior art：
1, the utility model generates infrasonic detection oil well depth by the way that air pump is arranged, and infrasonic sound is obtained using sound collecting device
Wave echo-signal detects oil well depth, frequency converter output frequency is adjusted compared with set depth using oil well actual measurement depth, in turn
The jig frequency of pumping unit is controlled, while using pressure in pressure sensor acquisition oil well annular space, utilizing pressure change electromagnetic valve for adjusting
Opening and closing, and then realize that pressure is adjusted in oil well annular space, is helped to stablize hydrodynamic face, so that pumping unit is in best oil pumping state, just
In promoting the use of.
2, the utility model utilizes the initial dynamic liquid level height of touch screen setting oil well and the initial casing pressure of oil well casing annular space, profit
With signal relay driving relay and then A.C. contactor is driven to be powered or power off, realizes the stable power-supplying of motor；In addition,
First communication module is set and realizes that frequency conversion is realized in the communication of hydrodynamic surface cover pressure detector and master controller, the second communication module of setting
The communication of oil production detector and master controller is realized in the communication of device and master controller, setting third communication module, is convenient for hydrodynamic
Surface cover presses the flexible placement of detector, frequency converter and oil production detector, and reliable and stable, using effect is good.
In conclusion the utility model is novel in design rationally, change is adjusted compared with set depth using oil well actual measurement depth
Frequency device output frequency, controls the jig frequency of pumping unit, is opened and closed using pressure change electromagnetic valve for adjusting, adjusts pressure in oil well annular space,
Stablize hydrodynamic face, so that pumping unit is in best oil pumping state, convenient for promoting the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the schematic block circuit diagram that the utility model hydrodynamic surface cover presses detector.
Reference sign:
1-master controller；2-touch screens；3-memories；
4-timers；5-signal relays；6-the first communication module；
7-the second communication module；8-third communication modules；9-hydrodynamic surface covers press detector；
9-1-detection controller；9-2-sound collecting device；9-3-pressure sensor；
9-4-A/D conversion modules；9-5-switch module；9-6-air pump；
9-7-detection communication module；10-oil production detectors；11-relays；
12-AC powers；13-A.C. contactors；14-frequency converters；
15-motor；16-pumping units；17-adjusters；
18-solenoid valves.
Specific implementation mode
As depicted in figs. 1 and 2, the oil pumping control system described in the utility model based on hydrodynamic face and casing pressure, including master
Control platform and the oil production detector 10 on oil storage tank for detecting oil pumping amount, and oil well mouth is installed in for visiting
Survey detection oil well in data hydrodynamic surface cover pressure detector 9, the oil pumping regulating mechanism for controlling 16 pumping efficiency of pumping unit and
Solenoid valve 18 for controlling casing annulus pressure, the main control platform include master controller 1 and are connect with master controller 1
Touch screen 2, memory 3 and timer 4, the output of master controller 1 is terminated with the adjuster for controlling 18 aperture of solenoid valve
17 and for drive it is described oil pumping regulating mechanism signal relay 5, the oil pumping regulating mechanism includes sequentially connected exchange
Power supply 12, A.C. contactor 13, frequency converter 14 and motor 15, A.C. contactor 13 pass through relay 11 and signal relay 5
Connection, hydrodynamic surface cover press detector 9 to be communicated with master controller 1 by the first communication module 6, and frequency converter 14 passes through the second communication mould
Block 7 is communicated with master controller 1, and oil production detector 10 is communicated by third communication module 8 and master controller 1；Hydrodynamic surface cover pressure
Detector 9 includes the detection for detecting controller 9-1 and connecting with detection controller 9-1 and be used to communicate with the first communication module 6
The output of communication module 9-7, detection controller 9-1 are terminated with the air pump 9-6 for detecting hydrodynamic face position data, detection control
The input of device 9-1 processed is terminated with sound collecting device 9-2 for receiving hydrodynamic face position data and for detecting sleeve ring pneumatics
The pressure sensor 9-3 of power.
It should be noted that main control platform is realized the data processing acquired to hydrodynamic surface cover pressure detector 9, is examined to oil production
It surveys the data record that instrument 10 acquires while controlling 16 pumping efficiency of pumping unit and 18 aperture of electromagnetic valve for adjusting control sleeve ring pneumatics
Power realizes that hydrodynamic surface cover presses detector 9 and master control by the way that the first communication module 6 is arranged on the master controller 1 in main control platform
The communication of frequency converter 14 and master controller 1, setting third communication module 8 are realized in the communication of device 1 processed, the second communication module 7 of setting
The communication for realizing oil production detector 10 and master controller 1 meets main control platform, hydrodynamic surface cover pressure detector 9,14 and of frequency converter
The flexible placement of oil storage tank, it is reliable and stable；The purpose of the touch screen 2, memory 3 and the timer 4 that are connected on master controller 1 is distinguished
It is easy for various parameters in the initial dynamic liquid level height of input oil well and the initial casing pressure of oil well casing annular space, storage oil pumping process, sets
Determine the operating interval of air pump 9-6, realizes monitoring dynamic liquid level height variation, stablize hydrodynamic face；Air pump 9-6 generates infrasound and visits
Survey oil well depth, obtaining infrasound echo-signal using sound collecting device 9-2 detects oil well depth, using oil well actual measurement depth with
Set depth, which compares, adjusts 14 output frequency of frequency converter, and then controls the jig frequency of pumping unit, while being adopted using pressure sensor 9-3
Pressure in collecting well annular space is opened and closed using pressure change electromagnetic valve for adjusting 18, and then realizes that pressure is adjusted in oil well annular space, is helped
In stablizing hydrodynamic face, pumping unit is made to be in best oil pumping state；A.C. contactor 13 is connected by relay 11 and signal relay 5
The purpose connect is to drive relay 11 using signal relay 5 and then drive the energization of A.C. contactor 13 or power-off, is realized electronic
The stable power-supplying of machine.
In the present embodiment, the sound collecting device 9-2 and pressure sensor 9-3 pass through A/D conversion modules 9-4 and detection
The input terminal of controller 9-1 connects, and air pump 9-6 is connected by switch module 9-5 with the output end of detection controller 9-1.
It should be noted that sound collecting device 9-2 and the signal of pressure sensor 9-3 acquisitions are analog signal, A/D turns
The analog signal can be converted to the detection identifiable digital signals of controller 9-1 by mold changing block 9-4, realize well fluid level and set
The pretreatment of data acquisition is pressed, the workload of master controller 1, and strong interference immunity in transmission process for digital signal are reduced.
In the present embodiment, the detection communication module 9-7, the first communication module 6, the second communication module 7 and third communication
Module 8 is wire communication module or wireless communication module.
It should be noted that practical oil well is typically in spacious field, detection communication module 9-7, the first communication module
It 6, can stabilization signal transmission when the second communication module 7 and third communication module 8 are wire communication module；Detect communication module 9-
7, when the first communication module 6, the second communication module 7 and third communication module 8 are wireless communication module, communication line can be simplified,
Equipment wiring is flexible.
In the present embodiment, the wire communication module is RS485 serial communication modules, and the wireless communication module is
ZIGBEE wireless communication modules.
In the present embodiment, the memory 3 is FLASH memory and RAM memory.
In the present embodiment, the sound collecting device 9-2 is microphone.
In the present embodiment, the master controller 1 and detection controller 9-1 are STM32F205 controllers.
When the utility model is used, infrasonic detection oil well depth is generated using air pump, is obtained using sound collecting device secondary
Sound echo signal detection oil well depth adjusts frequency converter output frequency using oil well actual measurement depth compared with set depth, into
And the jig frequency of pumping unit is controlled, while using pressure in pressure sensor acquisition oil well annular space, electromagnetism is adjusted using pressure change
Valve is opened and closed, and then realizes that pressure is adjusted in oil well annular space, helps to stablize hydrodynamic face, pumping unit is made to be in best oil pumping state.
The above is only the preferred embodiment of the utility model, not imposed any restrictions to the utility model, every
Any simple modification, change and equivalent structure made by above example are changed according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. the oil pumping control system based on hydrodynamic face and casing pressure, it is characterised in that：Including main control platform and on oil storage tank
Oil production detector (10) for detecting oil pumping amount, and be installed in oil well mouth for detect detection oil well in data move
Liquid level casing pressure detector (9), the oil pumping regulating mechanism for controlling pumping unit (16) pumping efficiency and for controlling casing annulus
The solenoid valve (18) of pressure, the main control platform include master controller (1) and the touch screen that is connect with master controller (1)
(2), memory (3) and timer (4), the output of master controller (1) are terminated with the adjusting for controlling solenoid valve (18) aperture
Device (17) and signal relay (5) for driving the oil pumping regulating mechanism, the oil pumping regulating mechanism is including being sequentially connected
AC power (12), A.C. contactor (13), frequency converter (14) and motor (15), A.C. contactor (13) passes through relay
(11) it is connect with signal relay (5), hydrodynamic surface cover presses detector (9) logical by the first communication module (6) and master controller (1)
News, frequency converter (14) are communicated by the second communication module (7) and master controller (1), and oil production detector (10) is logical by third
Module (8) is interrogated to communicate with master controller (1)；Hydrodynamic surface cover presses detector (9) to include detection controller (9-1) and controlled with detection
Device (9-1) connects and the detection communication module (9-7) for being communicated with the first communication module (6), detects the defeated of controller (9-1)
Go out the air pump (9-6) being terminated with for detecting hydrodynamic face position data, the input of detection controller (9-1) is terminated with for receiving
The sound collecting device (9-2) of hydrodynamic face position data and pressure sensor (9-3) for detecting casing annulus pressure.
2. the oil pumping control system described in accordance with the claim 1 based on hydrodynamic face and casing pressure, it is characterised in that：The sound wave is adopted
Storage (9-2) and pressure sensor (9-3) pass through the input terminal phase of A/D conversion modules (9-4) and detection controller (9-1)
It connects, air pump (9-6) is connected by switch module (9-5) with the output end of detection controller (9-1).
3. the oil pumping control system described in accordance with the claim 1 based on hydrodynamic face and casing pressure, it is characterised in that：The detection is logical
Interrogate module (9-7), the first communication module (6), the second communication module (7) and third communication module (8) for wire communication module or
Wireless communication module.
4. the oil pumping control system described in accordance with the claim 3 based on hydrodynamic face and casing pressure, it is characterised in that：The cable modem
News module is RS485 serial communication modules, and the wireless communication module is ZIGBEE wireless communication modules.
5. the oil pumping control system described in accordance with the claim 1 based on hydrodynamic face and casing pressure, it is characterised in that：The memory
(3) it is FLASH memory and RAM memory.
6. the oil pumping control system described in accordance with the claim 1 based on hydrodynamic face and casing pressure, it is characterised in that：The sound wave is adopted
Storage (9-2) is microphone.
7. the oil pumping control system described in accordance with the claim 1 based on hydrodynamic face and casing pressure, it is characterised in that：The main control
Device (1) and detection controller (9-1) are STM32F205 controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922522.2U CN207989009U (en) | 2017-12-30 | 2017-12-30 | Oil pumping control system based on hydrodynamic face and casing pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922522.2U CN207989009U (en) | 2017-12-30 | 2017-12-30 | Oil pumping control system based on hydrodynamic face and casing pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989009U true CN207989009U (en) | 2018-10-19 |
Family
ID=63818664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721922522.2U Expired - Fee Related CN207989009U (en) | 2017-12-30 | 2017-12-30 | Oil pumping control system based on hydrodynamic face and casing pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086965A (en) * | 2017-12-30 | 2018-05-29 | 西安石油大学 | Oil pumping control system and method based on hydrodynamic face and casing pressure |
| CN110617038A (en) * | 2019-09-20 | 2019-12-27 | 中国石油化工股份有限公司 | Oil pumping drive control and detection analysis device based on self-adaptive analysis |
-
2017
- 2017-12-30 CN CN201721922522.2U patent/CN207989009U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086965A (en) * | 2017-12-30 | 2018-05-29 | 西安石油大学 | Oil pumping control system and method based on hydrodynamic face and casing pressure |
| CN108086965B (en) * | 2017-12-30 | 2023-05-12 | 西安石油大学 | Oil pumping control system and method based on working fluid level and casing pressure |
| CN110617038A (en) * | 2019-09-20 | 2019-12-27 | 中国石油化工股份有限公司 | Oil pumping drive control and detection analysis device based on self-adaptive analysis |
| CN110617038B (en) * | 2019-09-20 | 2021-11-23 | 中国石油化工股份有限公司 | Oil pumping drive control and detection analysis device based on self-adaptive analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20211230 |