CN106246524B - A kind of electric oil-immersed plunger pump oil pumping system service intermittent control method - Google Patents
A kind of electric oil-immersed plunger pump oil pumping system service intermittent control method Download PDFInfo
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- CN106246524B CN106246524B CN201610729601.5A CN201610729601A CN106246524B CN 106246524 B CN106246524 B CN 106246524B CN 201610729601 A CN201610729601 A CN 201610729601A CN 106246524 B CN106246524 B CN 106246524B
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- plunger pump
- electric oil
- immersed plunger
- oil
- immersed
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005086 pumping Methods 0.000 title claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention belongs to oil pumper field, more particularly to a kind of electric oil-immersed plunger pump oil pumping system service intermittent control method.The stand-by period is calculated according to the theoretical required time per jig frequency and the run time of an electric oil-immersed plunger pump in this method, and then the plunger pump number of units that can start within the stand-by period is calculated.The intermittent time alternation that method provided by the invention passes through electric oil-immersed plunger pump, change the present situation of electric oil-immersed plunger pump random work, the problem of completely avoid more electric oil-immersed plunger pumps while working, impact of the starting current to power network when reducing electric oil-immersed plunger pump while starting.And the present invention one electric oil-immersed plunger pump of control just carries out the startup of next electric submersible pump when interval waits, and avoids and interferes, the stable of each electric oil-immersed plunger pump ensure that.
Description
Technical field
The invention belongs to oil pumper field, more particularly to a kind of electric oil-immersed plunger pump oil pumping system service intermittent to control
Method.
Background technology
Traditional oil pumper uses uninterrupted formula continuous operation mode, to improve output oil mass.Most of China at present
Oil field controls oil pumper to work using such a mode.But such a working method is present, and energy-output ratio is big, it is first to reduce machinery
Part service life, by the power network impact drawback such as larger.
The content of the invention
The present invention provides a kind of operating efficiency height, energy-conservation effect to solve above-mentioned technical problem present in background technology
Fruit is good, the electric oil-immersed plunger pump oil pumping system service intermittent of prolonged mechanical and electrical equipment service life reduces power network impact
Control method.
The present invention technical solution be：A kind of electric oil-immersed plunger pump oil pumping system service intermittent control of the present invention
Method, it is characterized in that：This method comprises the following steps：
1) initialized in oil pumping system and control system after electricity；
2) by local monitor system or long-range central control station by preset value and jig frequency setting value N1Write core controller ICU
In；
3) core controller ICU calculates the theoretical required time T per jig frequency according to the jig frequency of input1, wherein T1=60/N1；
4) the manual/auto state of an electric oil-immersed plunger pump is read；If being in manual mode, continue under reading
The manual/auto state of one electric oil-immersed plunger pump；If being in auto state, step 5) is performed；
5) after receiving startup order, electric oil-immersed plunger pump is started, while gather the output current of frequency converter, frequency converter
Running status and frequency converter running time T2；Perform step 6)；
6) core controller ICU is according to T1And T2Value calculate electric oil-immersed plunger pump stand-by period T3；Wherein T3=T1-
T2；
7) core controller ICU is according to T3And T2Value calculate electric oil-immersed plunger pump and can start within the stand-by period
Number of units N2, wherein N2=T3/T2；Perform step 8)；
8) read frequency converter output current, if equal to zero and frequency converter running status for stop when, perform step 9)；
9) step 3-8 is repeated), start electric oil-immersed plunger pump N altogether2Platform；Perform step 10)；
10) step 3-9 is repeated), ceased and desisted order until receiving；
Above-mentioned steps 2) in preset value include motor rated power, Rated motor electric current, the rated speed of motor.
Above-mentioned steps 5) in startup order sent by local switch board, local monitor or long-range central control station.
Above-mentioned steps 8) in output current be directly to be read from frequency converter by MODBUS agreements by core controller ICU
Take.
The beneficial effects of the present invention are：
(1) method provided by the invention is changed electronic latent by the intermittent time alternation of electric oil-immersed plunger pump
The present situation of oil piston pump random work, it is entirely avoided the problem of more electric oil-immersed plunger pumps work simultaneously, reduce electronic
Impact of the starting current to power network latent oil plunger pump starts simultaneously when.And the present invention one electric oil-immersed plunger pump of control exists
Interval just carries out the startup of next electric submersible pump when waiting, avoid and interfere, ensure that each electrical submersible plunger
Pump it is stable.
(2) control of power network impact is reduced using electric oil-immersed plunger pump oil pumping system service intermittent provided by the invention
Method, initial investment and power consumption can be reduced with the transformer of supporting low capacity.
Brief description of the drawings
Fig. 1 is system structure diagram used in the present invention.
Embodiment
Electric oil-immersed plunger pump oil pumping system service intermittent control method provided by the invention is based on the control shown in Fig. 1
System processed is realized.The system include long-range central control station, local monitor, core controller ICU, multiple set of frequency converters and
Plunger pump, long-range central control station, local monitor connect with core controller ICU respectively, and core controller ICU connects with each frequency converter
Connect.
First, the connection of each equipment is completed according to the system architecture in Fig. 1 and the mode of connection.
Then, operated using following steps：
1) initialized in oil pumping system and control system after electricity；
2) by local monitor or long-range central control station by preset value and jig frequency setting value N1Write core controller ICU
In；
3) core controller calculates the theoretical required time T per jig frequency according to the jig frequency of input1, wherein T1=60/N1；
4) the manual/auto state of an electric oil-immersed plunger pump is read；If being in manual mode, continue under reading
The manual/auto state of one electric oil-immersed plunger pump；If being in auto state, step 5) is performed；
5) after receiving startup order, electric oil-immersed plunger pump is started, while gather the output current of frequency converter, frequency converter
Running status and frequency converter running time T2；Perform step 6)；
6) core controller ICU is according to T1And T2Value calculate electric oil-immersed plunger pump stand-by period T3；Wherein T3=T1-
T2；
7) core controller ICU is according to T3And T2Value calculate electric oil-immersed plunger pump and can start within the stand-by period
Number of units N2, wherein N2=T3/T2；Perform step 8)；
8) read frequency converter output current, if equal to zero and frequency converter running status for stop when, perform step 9)；
9) step 3-8 is repeated), start electric oil-immersed plunger pump N altogether2Platform；Perform step 10)；
10) step 3-9 is repeated), ceased and desisted order until receiving；
After oil extraction operation terminates, by " stopping " button of local switch board, or " stopping " on local monitor HMI is pressed
Button, or " stopping " button of long-range central control station, send and cease and desist order, stop institute after core controller is received and ceased and desisted order
Some electric oil-immersed plunger pumps.
Claims (4)
- A kind of 1. electric oil-immersed plunger pump oil pumping system service intermittent control method, it is characterised in that：This method includes following Step：1) initialized in oil pumping system and control system after electricity；2) by local monitor or long-range central control station by preset value and jig frequency setting value N1Write in core controller ICU；3) core controller ICU calculates the theoretical required time T per jig frequency according to the jig frequency of input1, wherein T1=60/N1；4) the manual/auto state of an electric oil-immersed plunger pump is read；If being in manual mode, continue to read next The manual/auto state of electric oil-immersed plunger pump；If being in auto state, step 5) is performed；5) after receiving startup order, electric oil-immersed plunger pump is started, while gather the output current of frequency converter, the fortune of frequency converter Row state and frequency converter running time T2；Perform step 6)；6) core controller ICU is according to T1And T2Value calculate electric oil-immersed plunger pump stand-by period T3；Wherein T3=T1-T2；7) core controller ICU is according to T3And T2Value calculate the number of units that can start within the stand-by period of electric oil-immersed plunger pump N2, wherein N2=T3/T2；Perform step 8)；8) read frequency converter output current, if equal to zero and frequency converter running status for stop when, perform step 9)；9) step 3-8 is repeated), start electric oil-immersed plunger pump N altogether2Platform；Perform step 10)；10) step 3-9 is repeated), ceased and desisted order until receiving.
- 2. electric oil-immersed plunger pump oil pumping system service intermittent control method according to claim 1, it is characterised in that：Step 2) preset value in includes motor rated power, Rated motor electric current, the rated speed of motor.
- 3. electric oil-immersed plunger pump oil pumping system service intermittent control method according to claim 2, it is characterised in that： Startup order in step 5) is sent by local switch board, local monitor or long-range central control station.
- 4. electric oil-immersed plunger pump oil pumping system service intermittent control method according to claim 3, it is characterised in that： Output current in step 8) is to be directly read by core controller ICU by MODBUS agreements from frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729601.5A CN106246524B (en) | 2016-08-25 | 2016-08-25 | A kind of electric oil-immersed plunger pump oil pumping system service intermittent control method |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201610729601.5A CN106246524B (en) | 2016-08-25 | 2016-08-25 | A kind of electric oil-immersed plunger pump oil pumping system service intermittent control method |
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| Publication Number | Publication Date |
|---|---|
| CN106246524A CN106246524A (en) | 2016-12-21 |
| CN106246524B true CN106246524B (en) | 2018-01-23 |
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| CN201610729601.5A Active CN106246524B (en) | 2016-08-25 | 2016-08-25 | A kind of electric oil-immersed plunger pump oil pumping system service intermittent control method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547758B (en) * | 2018-02-12 | 2020-10-16 | 中国石油天然气集团有限公司 | Motor anti-collision control method and system for oil pumping system of electric submersible pump |
| CN108386350B (en) * | 2018-02-12 | 2021-03-30 | 中国石油天然气集团有限公司 | Peak-shifting work control method and system for oil pumping system of electric submersible pump |
| CN108547759A (en) * | 2018-02-12 | 2018-09-18 | 新疆石油管理局有限公司准东勘探开发分公司 | Electric submersible pump oil pumping system flexible control method |
| CN113216913B (en) * | 2021-01-27 | 2022-11-15 | 松原市明悟节能科技有限公司 | Method for controlling intermittent pumping of pumping unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5064349A (en) * | 1990-02-22 | 1991-11-12 | Barton Industries, Inc. | Method of monitoring and controlling a pumped well |
| CN201003394Y (en) * | 2007-02-14 | 2008-01-09 | 刘伟 | Intermittent oil pumping controller for insufficient well |
| CN203570276U (en) * | 2013-09-30 | 2014-04-30 | 西安宝德自动化股份有限公司 | Intermittent oil pumping control system |
| CN105464953A (en) * | 2015-02-10 | 2016-04-06 | 贵州航天凯山石油仪器有限公司 | Frequency conversion control method and device for oil-well pump combining indicator diagram with working fluid level |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8376716B2 (en) * | 2009-04-10 | 2013-02-19 | Schwing Bioset, Inc. | Multi-pump sequencing |
-
2016
- 2016-08-25 CN CN201610729601.5A patent/CN106246524B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5064349A (en) * | 1990-02-22 | 1991-11-12 | Barton Industries, Inc. | Method of monitoring and controlling a pumped well |
| CN201003394Y (en) * | 2007-02-14 | 2008-01-09 | 刘伟 | Intermittent oil pumping controller for insufficient well |
| CN203570276U (en) * | 2013-09-30 | 2014-04-30 | 西安宝德自动化股份有限公司 | Intermittent oil pumping control system |
| CN105464953A (en) * | 2015-02-10 | 2016-04-06 | 贵州航天凯山石油仪器有限公司 | Frequency conversion control method and device for oil-well pump combining indicator diagram with working fluid level |
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| Publication number | Publication date |
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| CN106246524A (en) | 2016-12-21 |
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Effective date of registration: 20201215 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: No.6, Xifu, Qinling Avenue, Caotang science and technology industrial base, hi tech Zone, Xi'an City, Shaanxi Province Patentee before: Bode Energy Equipment Co.,Ltd. |
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