CN205977640U - Electronic intelligence frequency of stroke controlling means of oil pump oil pumping system that dives - Google Patents
Electronic intelligence frequency of stroke controlling means of oil pump oil pumping system that dives Download PDFInfo
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- CN205977640U CN205977640U CN201620942577.9U CN201620942577U CN205977640U CN 205977640 U CN205977640 U CN 205977640U CN 201620942577 U CN201620942577 U CN 201620942577U CN 205977640 U CN205977640 U CN 205977640U
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Abstract
The utility model belongs to the oil drilling field relates to an electronic intelligence frequency of stroke controlling means of oil pump oil pumping system that dives, and the device is including the pressure temperature sensor, intelligent frequency of stroke controller and the converter that connect gradually, pressure temperature sensor is located the electronic sunction inlet department that dives the oil pump for gather pressure and temperature information in the pit, the converter links to each other with the beam -pumping unit for adjust the motor frequency of beam -pumping unit, intelligence frequency of stroke controller includes pressure temperature information acquisition unit, man -machine operation interface, actual dynamic fluid level calculating unit, frequency of stroke adjustment unit and converter output control unit. The utility model provides a whole local control scheme of follow data acquisition, handling and control, it is supplementary to need not to carry out beam -pumping unit control with the help of remote computer, has effectively avoided the beam -pumping unit sky to take out, has improved the oil recovery efficiency in oil field.
Description
Technical field
This utility model belongs to petroleum drilling and mining field, is related to a kind of electric submersible pump oil pumping system intelligent flushing secondary control dress
Put.
Background technology
Electric oil-immersed plunger pump oil pumping system is one of artificial lift oil pumping system, in the mistake of oil pumper reciprocal reciprocating oil pumping
Cheng Zhong, if the pump housing be exposed to fluid outside (i.e. oil pumper sky is taken out), work long hours can lead to equipment attrition aggravation and electric energy
Waste, or even cause pumping unit to damage.
In the case that oil pumper frame for movement has determined, the factor of impact system oil recovery efficiency includes oil reservoir and supplies liquid energy
Power and jig frequency.Generally, the liquid level of the more high then oil reservoir of jig frequency is lower.So in order to avoid oil pumper sky takes out sending out of phenomenon
Raw, and ensure system oil recovery efficiency, need beam-pumping unit jig frequency reasonably to be selected and adjusts.Traditional beam-pumping unit jig frequency
Control method, needs to change the no-load voltage ratio of reduction box, with the development of variable-frequency control technique, brings greatly to the regulation of jig frequency
Convenient.
Control in application in current oil field, the oil reservoir that staff can count a period of time moves fluid level data, relies on people
Work point is analysed or is transferred data to and is analyzed on remote control computer, then adjusts the fortune of oil pumper according to analysis result
Row jig frequency.So not only regulating cycle is longer, and can not accomplish to be carried out according to the situation of change in oil reservoir hydrodynamic face effective in real time
Control it is difficult to meet the oil producing operation of stability and high efficiency.
Content of the invention
In order to solve existing oil pumper run jig frequency control method regulating cycle longer and cannot real-time monitoring technology
Problem, this utility model provides a kind of electric submersible pump oil pumping system intelligent flushing secondary control device.
Technical solution of the present utility model is：A kind of electric submersible pump oil pumping system intelligent flushing secondary control device, its
It is characterized in that：Including the pressure-temperature sensor being sequentially connected, intelligent flushing secondary control device and converter；Described pressure and temp
Sensor is located at the suction inlet of electric submersible pump, for gathering down-hole pressure and temperature information；Described converter and oil pumper
It is connected, for adjusting the electric machine frequency of oil pumper；
Described intelligent flushing secondary control device includes pressure and temp information acquisition unit, man machine operation interface, actual dynamic liquid level meter
Calculate unit, jig frequency adjustment unit and converter output control unit；
Described pressure and temp information acquisition unit is used for obtaining down-hole pressure and the temperature that pressure-temperature sensor collects
Information；
Described man machine operation interface is used for arranging and shows parameter preset；
Described actual hydrodynamic face computing unit calculates downhole crude according to parameter preset and down-hole pressure with temperature information
Actual dynamic liquid level height LAct；
Described jig frequency adjustment unit is according to actual dynamic liquid level height LActJudge that oil pumper runs jig frequency adjustment mode；
Described converter output control unit runs jig frequency adjustment mode adjustment converter according to parameter preset and oil pumper
Output frequency.
Above-mentioned parameter preset includes target dynamic liquid level height LSet, hydrodynamic face regulation dead band LDB, oil density, frequency adjust
Bound and frequency adjust step-length.
Above-mentioned intelligent flushing secondary control device is connected with pressure-temperature sensor by analog input interface, and described analog quantity is defeated
Incoming interface supports 4～20mA or 0～10V standard signal.
Above-mentioned intelligent flushing secondary control device is attached by 485 communication interfaces and converter, and described 485 communication interfaces are supported
Modbus-RTU standard communication protocol.
This utility model also provides a kind of electric submersible pump oil pumping system intelligent flushing secondary control method, and its special character exists
In：Comprise the following steps：
1】Pressure-temperature sensor gathers down-hole pressure and temperature information at electrical submersible Pump Suction Nozzle；
2】Pressure and temp information acquisition unit timed periodic obtain the down-hole pressure that collects of pressure-temperature sensor with
Temperature information；
3】Check and arrange parameter preset by man machine operation interface, parameter preset includes target dynamic liquid level height LSet, dynamic
Liquid level adjusts dead band LDB, oil density, frequency adjust bound and frequency and adjust step-length；
4】Actual hydrodynamic face computing unit based on crude density and down-hole pressure calculate the reality of downhole crude with temperature information
Border dynamic liquid level height LAct；
5】Jig frequency adjustment unit is according to actual dynamic liquid level height LActJudge that oil pumper runs jig frequency adjustment mode：
If LAct＞ LSet+LDB, then raise output frequency；
If LAct＜ LSet- LDB, then lower output frequency；
If LSet- LDB≤LAct≤LSet+LDB, then keep output frequency constant；
6】Converter output control unit is according to step 5】The oil pumper of middle determination runs jig frequency adjustment mode to converter
Output regulating frequency；Regulating frequency step-length is by step 3】Setting；
7】Converter adjustment oil pumper runs jig frequency.
The utility model has the advantage of：
(1) this utility model provides a kind of jig frequency control method of easily electric oil-immersed plunger pump oil pumping system, can
The parameter of complexity to be used in program capacity less RTU control chip, need not be inputted, simplify the work of site operation personnel
Measure.
(2) this utility model provides from data sampling and processing and the overall local control program controlling, without remote
Journey computer carries out oil pumper and controls auxiliary, effectively prevent oil pumper sky and takes out, improves the oil recovery efficiency in oil field.
Brief description
Fig. 1 is this utility model electric submersible pump oil pumping system intelligent flushing secondary control apparatus module schematic diagram；
Fig. 2 is this utility model electric submersible pump oil pumping system intelligent flushing secondary control method flow diagram.
Specific embodiment
Referring to Fig. 1, this utility model provides a kind of electric submersible pump oil pumping system intelligent flushing secondary control device, including successively
Pressure-temperature sensor, intelligent flushing secondary control device and the converter connecting；Pressure-temperature sensor is located at the suction of electric submersible pump
Porch, for gathering down-hole pressure and temperature information；Converter is connected with oil pumper, for adjusting the motor frequency of oil pumper
Rate.
Intelligent flushing secondary control device includes pressure and temp information acquisition unit, man machine operation interface, actual hydrodynamic face calculating list
Unit, jig frequency adjustment unit and converter output control unit；
Pressure and temp information acquisition unit is used for obtaining down-hole pressure and the temperature information that pressure-temperature sensor collects；
Man machine operation interface is used for arranging and shows parameter preset, including target dynamic liquid level height LSet, hydrodynamic face adjust dead
Area LDB, oil density, frequency adjust bound and frequency and adjust step-length；
Actual hydrodynamic face computing unit calculates the reality of downhole crude according to parameter preset and down-hole pressure with temperature information
Dynamic liquid level height LAct；
Jig frequency adjustment unit is according to actual dynamic liquid level height LActJudge that oil pumper runs jig frequency adjustment mode；
Converter output control unit runs jig frequency adjustment mode according to parameter preset and oil pumper and adjusts the defeated of converter
Go out frequency.
Intelligent flushing secondary control device can be connected with pressure-temperature sensor by analog input interface, and analog input connects
Mouth supports 4～20mA or 0～10V standard signal.
Intelligent flushing secondary control device can be attached by 485 communication interfaces and converter, and 485 communication interfaces are supported
Modbus-RTU standard communication protocol.
Referring to Fig. 2, the connection mounting means according to above-mentioned electric submersible pump oil pumping system intelligent flushing secondary control device is correct
After each equipment is installed, using following methods, jig frequency is run to oil pumper and carry out real-time intelligent regulation：
Step one, by pressure-temperature sensor, timed periodic reads sampled result；
Step 2, reads the relevant parameter of setting in intelligent controller, including target dynamic liquid level height LSet, hydrodynamic face adjust
Section dead band LDB, crude oil sets density, frequency converter frequency adjusts bound and adjusts the parameter such as step-length；
Step 3, by the arranges value of the measured value of step one and step 2, calculates currently practical dynamic liquid level height LAct；
Step 4, judges actual dynamic liquid level height LActWith LSet+LDBRelation, if LAct＞ LSet+LDBThen increase frequency conversion
Device setpoint frequency FSet, the amount of increase can be fixed frequency (as 2Hz), and this fixed value can be arranged by step 2；Or root
According to LActWith LSet+LDBSize of the difference Serial regulation incrementss, difference bigger increase more；If LAct≤LSet+LDBThen enter
Step 5；
Step 5, judges actual dynamic liquid level height LActWith LSet- LDBRelation, if LAct＜ LSet- LDBThen reduce and become
Frequency device setpoint frequency FSet, the method for decrement is similar with step 4；If LSet- LDB≤LAct≤LSet+LDBThen FSetDo not do
Change；
Step 6, according to the converter setpoint frequency F of step 4 and step 5SetAdjustment result, is issued to change by communication
Frequency device, and then control oil pumper to run jig frequency.
Circulation step one is to step 6, the operation jig frequency of successive optimization oil pumper.
Claims (4)
1. a kind of electric submersible pump oil pumping system intelligent flushing secondary control device it is characterised in that：Including the pressure temperature being sequentially connected
Degree sensor, intelligent flushing secondary control device and converter；Described pressure-temperature sensor is located at the suction inlet of electric submersible pump, uses
In collection down-hole pressure and temperature information；Described converter is connected with oil pumper, for adjusting the electric machine frequency of oil pumper；
Described intelligent flushing secondary control device includes pressure and temp information acquisition unit, man machine operation interface, actual hydrodynamic face calculating list
Unit, jig frequency adjustment unit and converter output control unit；
Described pressure and temp information acquisition unit is used for obtaining down-hole pressure and the temperature information that pressure-temperature sensor collects；
Described man machine operation interface is used for arranging and shows parameter preset；
Described actual hydrodynamic face computing unit calculates the reality of downhole crude according to parameter preset and down-hole pressure with temperature information
Dynamic liquid level height LAct；
Described jig frequency adjustment unit is according to actual dynamic liquid level height LActJudge that oil pumper runs jig frequency adjustment mode；
Described converter output control unit runs jig frequency adjustment mode according to parameter preset and oil pumper and adjusts the defeated of converter
Go out frequency.
2. electric submersible pump oil pumping system intelligent flushing secondary control device according to claim 1 it is characterised in that：Described pre-
Setting parameter includes target dynamic liquid level height LSet, hydrodynamic face regulation dead band LDB, oil density, frequency adjust bound and frequency
Adjust step-length.
3. electric submersible pump oil pumping system intelligent flushing secondary control device according to claim 1 and 2 it is characterised in that：Institute
State intelligent flushing secondary control device to be connected with pressure-temperature sensor by analog input interface, described analog input interface is supported
4～20mA or 0～10V standard signal.
4. electric submersible pump oil pumping system intelligent flushing secondary control device according to claim 3 it is characterised in that：Described intelligence
Can jig frequency controller be attached by 485 communication interfaces and converter, described 485 communication interfaces support Modbus-RTU standard
Communications protocol.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942577.9U CN205977640U (en) | 2016-08-25 | 2016-08-25 | Electronic intelligence frequency of stroke controlling means of oil pump oil pumping system that dives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942577.9U CN205977640U (en) | 2016-08-25 | 2016-08-25 | Electronic intelligence frequency of stroke controlling means of oil pump oil pumping system that dives |
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| CN205977640U true CN205977640U (en) | 2017-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121987A (en) * | 2016-08-25 | 2016-11-16 | 西安宝德自动化股份有限公司 | A kind of electric submersible pump oil pumping system intelligent flushing secondary control device and control method |
| CN107237615A (en) * | 2017-08-09 | 2017-10-10 | 大连西贝通达科技有限公司 | A kind of beam pumping unit speed of service optimal control method based on PRL |
| 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 |
| CN114645694A (en) * | 2022-05-23 | 2022-06-21 | 山东胜信石油装备有限公司 | Vertical oil pumping machine capable of automatically adjusting stroke frequency and balancing |
-
2016
- 2016-08-25 CN CN201620942577.9U patent/CN205977640U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121987A (en) * | 2016-08-25 | 2016-11-16 | 西安宝德自动化股份有限公司 | A kind of electric submersible pump oil pumping system intelligent flushing secondary control device and control method |
| CN107237615A (en) * | 2017-08-09 | 2017-10-10 | 大连西贝通达科技有限公司 | A kind of beam pumping unit speed of service optimal control method based on PRL |
| 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 |
| CN114645694A (en) * | 2022-05-23 | 2022-06-21 | 山东胜信石油装备有限公司 | Vertical oil pumping machine capable of automatically adjusting stroke frequency and balancing |
| CN114645694B (en) * | 2022-05-23 | 2022-07-19 | 山东胜信石油装备有限公司 | Vertical oil pumping machine capable of automatically adjusting stroke frequency and balancing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200730 Address after: 710000 office building, Xifu, Qinling Avenue, Caotang science and technology industrial base, high tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Baode Intelligent Technology Co., Ltd Address before: 710304 Shaanxi city of Xi'an province science and technology industrial base of Qinling Mountains high tech Zone Cottage Road West, No. six Fu Patentee before: Bode Energy Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |