CN201535241U - Evacuating controller of a sucker-rod pumping well - Google Patents
Evacuating controller of a sucker-rod pumping well Download PDFInfo
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- CN201535241U CN201535241U CN2009202464541U CN200920246454U CN201535241U CN 201535241 U CN201535241 U CN 201535241U CN 2009202464541 U CN2009202464541 U CN 2009202464541U CN 200920246454 U CN200920246454 U CN 200920246454U CN 201535241 U CN201535241 U CN 201535241U
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- 238000005086 pumping Methods 0.000 title claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000003129 oil well Substances 0.000 claims description 20
- 238000003745 diagnosis Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses an evacuating controller of a sucker-rod pumping well, comprising a data acquisition unit, a data processing unit, a diagnostic control unit and a motor control unit. The data acquisition unit comprises a load transducer and a displacement transducer which are mounted above the test position of a pumping unit. The data processing unit is connected with the data acquisition unit and the diagnostic control unit which are connected with the motor control unit. The evacuating controller uses data in an indicator diagram of the pumping well to decide coefficient of fullness of an oiling pump, and stops running when the coefficient of fullness of the oiling pump is lower than a preset value, thereby reducing running time of the pumping unit, and ensuring that the pumping unit runs with high system efficiency.
Description
Technical Field
The utility model relates to an oil well controller of managing to find time especially relates to a controller of managing to having pump oil well of rod, belongs to oil development technical field.
Background
At present, most old oil fields in China enter the later development stage, the yields of main production blocks and mechanical pumping wells are seriously reduced, and the discordance of bottom hole liquid supply and mechanical lifting is caused. Thereby generating unnecessary energy consumption and causing frequent mechanical failures. In old oil fields, a large number of beam-pumping wells enter the middle and later oil extraction stages, and because the formation pressure is continuously reduced, a gas-liquid two-phase region is formed after the near-well oil reservoir of an oil layer is lower than the bubble point pressure, and the seepage mechanism is greatly changed. For the oil reservoir with high crude oil viscosity and needing steam injection to supplement energy and reduce viscosity, when the injection and production turns reach more than 8 times, the injection and production period is continuously shortened, and the production-injection ratio is also continuously reduced. The pumping parameters designed according to the production early stage and the injection and production early stage of the oil well are gradually replaced by the coordinated supply and discharge relation and are continuously deteriorated, so that the corresponding production technology needs to be changed.
The evacuation control technology is a kind of intermittent exploitation technology for old oil fields entering the middle and later period. Scientific evacuation control operation is carried out through modern electronic and computer technologies, energy consumption can be greatly reduced, long-term production of an oil well can be guaranteed, and the method has very important significance on national energy safety.
In chinese utility model patent No. ZL 03214448.2, an oil well control device that manages to find time is disclosed, including electric cabinet, check valve and change over switch, its check valve includes the outer tube, installs disk seat, case in the outer tube, connects displacement rod on the case, installs spring, nut and the sealing member on the displacement rod, and change over switch installs on the insulator in the outer tube, is connected with the displacement rod. The utility model discloses a but the confession liquid condition of automatic monitoring oil reservoir to according to the operation of confession liquid condition automatic shutdown beam-pumping unit and start-up beam-pumping unit, thereby effectively practiced thrift the energy, reduced the mechanical wear of machine, pole, pump, prolonged life.
In addition, in the chinese patent application with application number 200810047876.6, a method and a system for controlling pumping of a pumping unit with a rod pump are introduced. The method comprises the steps of generating a ground indicator diagram by collecting suspension point load and displacement data of an oil pumping unit, and calculating an underground pump indicator diagram by a wave equation; according to the graphic characteristics of the pump diagram, fuzzy logic is applied to analyze and control the pump working conditions such as the leakage of the traveling valve: if serious faults exist, stopping the machine to be detected, otherwise, adjusting operation parameters according to the pump full-filling degree obtained by analysis, if the pump full-filling degree accords with the pumping-intermitting condition, calculating or adjusting the pumping-stopping time to carry out pumping-intermitting control, and otherwise, calculating new stroke parameters according to the pump full-filling degree. The ARM embedded oil pumping controller adopting the method can combine the pump diagram diagnosis and the real-time oil pumping control, realize the fault protection, the stop pumping, the intermittent pumping or the adjustment of the stroke frequency parameters, and can obviously improve the working efficiency.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a controller for pumping well with sucker rod pump (abbreviated as pump controller). The pumping-out controller achieves the purpose of improving the oil well pumping efficiency by improving the filling coefficient of the oil well pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sucker-rod pump oil well pump-out controller is characterized in that:
the pumping well pumping controller of the sucker rod pump comprises a data acquisition unit, a data processing unit, a diagnosis control unit and a motor control unit; wherein,
the data acquisition unit is provided with a load sensor and a displacement sensor, and the load sensor and the displacement sensor are arranged on a part to be measured of the oil pumping unit;
the data processing unit is connected with the data acquisition unit on one hand and the diagnosis control unit on the other hand;
the data acquisition unit and the diagnosis control unit are respectively connected with the motor control unit.
The diagnosis control unit is internally provided with a microprocessor and is provided with a human-computer operation interface consisting of a display screen and keys.
The data acquisition unit is also provided with a current sensor, a liquid level sensor and a connecting rod slipping sensor.
The pumping controller adopts a sensor with high precision and long service life, judges the full charge coefficient of the oil well pump by acquiring indicator diagram data of the oil well, and stops running when the full charge coefficient of the oil well pump is lower than a set value, thereby reducing the running time of the pumping unit and ensuring that the pumping unit runs under the state of higher system efficiency.
Drawings
The present invention will be further described with reference to the accompanying drawings and the detailed description.
FIG. 1 is a schematic view of the present sucker rod pump well pump evacuation controller in use;
FIG. 2 is a schematic diagram showing the connections of the functional modules that make up the present sucker-rod pump well evacuation controller;
fig. 3 is a schematic diagram showing the external connections of the present sucker rod pump well evacuation controller.
Detailed Description
As shown in figure 1, the utility model provides a controller that evacuates of sucker rod pump pumping well sets up on the next door of beam-pumping unit, is connected with the beam-pumping unit through multiple cable to the operation of evacuating to the oil-well pump is controlled. The evacuation controller is provided with an antenna for wireless communication with a SCADA (data acquisition and monitoring control) system of the well.
As shown in fig. 2, the evacuation controller is composed of a data acquisition unit, a data processing unit, a diagnosis control unit, and a motor control unit. The data acquisition unit at least comprises a load sensor and a displacement sensor, and can also comprise other sensors such as a current sensor, a liquid level sensor, a connecting rod slippage sensor and the like. The sensors are arranged on each part to be measured of the pumping unit.
The data acquisition unit acquires signals such as well site safety, polished rod stroke, polished rod load, pipe sleeve pressure, motor current and the like through each sensor. According to the data acquisition experience of an oilfield field, the data acquisition unit must have a resolution of 12 bits, and the sampling speed should be more than 200 events per second. On one hand, the data processing unit is connected with the data acquisition unit so as to acquire the signals acquired by the data acquisition unit; on the other hand, the device is connected with a diagnosis control unit so as to send the processed data to the diagnosis control unit for further analysis.
The diagnostic control unit is a core functional component of the overall evacuation controller. The protection device is internally provided with a microprocessor (or a singlechip), is provided with a man-machine operation interface composed of a display screen, keys and the like, and can protect various faults, such as motor overheating protection, human and animal approach protection, connecting rod slippage protection and the like. The diagnostic control unit may be connected to an external high-end computer to implement more complex arithmetic processing functions. In addition, the diagnosis control unit is wirelessly connected with an SCADA (supervisory control and data acquisition) system of the oil field through an antenna so as to timely acquire an operation instruction sent by the system.
The data acquisition unit and the diagnosis control unit are respectively connected with the motor control unit, and the motor control unit directly controls the operation of a motor in the oil well pump.
As shown in fig. 3, the evacuation controller is connected to a displacement sensor, a load sensor, a current sensor, a level sensor, a link slip sensor, and the like, respectively. The load sensor is used for converting the actual load of the oil well into a standard signal of 0-5V so as to be input into the diagnosis control unit. The displacement sensor changes the actual displacement into a standard 0-5V electric signal and transmits the standard electric signal to the diagnosis control unit. In order to ensure the accuracy and precision of measurement, the evacuation controller adopts high-precision sensors with the service life of tens of millions and has transient overvoltage protection to prevent surge damage caused by lightning and a power grid.
A voice prompt unit can be installed in the evacuation controller so as to timely perform voice alarm on abnormal signals collected by the sensors and inform well patrol personnel. In addition, the antenna is used for transmitting the alarm signal, and the alarm signal is received by the external fault alarm prompt system, so that the alarm prompt of the abnormal signal can be realized in a larger range, and the alarm device is particularly suitable for field working environments such as oil fields.
This controller of managing to find time judges the oil-well pump full factor through gathering oil well indicator diagram data, stops the operation when the oil-well pump full factor is less than the setting value to can guarantee the full degree of oil-well pump, reduce beam-pumping unit operating time, guarantee that the beam-pumping unit moves under higher system efficiency state. The evacuation controller may also monitor the production system for contingencies during the production process via sensors. For oilfield production systems based on rods, tubing, pumps and surface mechanical drives, mechanical damage and failure often occur at uncertain and occasional times such as disconnection of the rod string, pump, valve and tubing leaks, etc. If not discovered and disposed of in time, loss of oil and gas production and increased machinery maintenance costs can result. Real-time monitoring and timely disposal of these mechanical contingencies are one of the important links for ensuring safe and effective operation of beam-pumping wells.
The present sucker rod pump well evacuation controller is described in detail above. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, without departing from the spirit of the present invention, and it is intended to constitute a violation of the patent rights of the present invention and to bear the relevant legal responsibility.
Claims (3)
1. A sucker-rod pump oil well pump-out controller is characterized in that:
the pumping well pumping controller of the sucker rod pump comprises a data acquisition unit, a data processing unit, a diagnosis control unit and a motor control unit; wherein,
the data acquisition unit is provided with a load sensor and a displacement sensor, and the load sensor and the displacement sensor are arranged on a part to be measured of the oil pumping unit;
the data processing unit is connected with the data acquisition unit on one hand and the diagnosis control unit on the other hand;
the data acquisition unit and the diagnosis control unit are respectively connected with the motor control unit.
2. The sucker-rod pump well evacuation controller of claim 1, wherein:
the diagnosis control unit is internally provided with a microprocessor and is provided with a man-machine operation interface consisting of a display screen and keys.
3. The sucker-rod pump well evacuation controller of claim 1, wherein:
the data acquisition unit is also provided with a current sensor, a liquid level sensor and a connecting rod slipping sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202464541U CN201535241U (en) | 2009-10-30 | 2009-10-30 | Evacuating controller of a sucker-rod pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202464541U CN201535241U (en) | 2009-10-30 | 2009-10-30 | Evacuating controller of a sucker-rod pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535241U true CN201535241U (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202464541U Expired - Fee Related CN201535241U (en) | 2009-10-30 | 2009-10-30 | Evacuating controller of a sucker-rod pumping well |
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| CN (1) | CN201535241U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478849A (en) * | 2011-04-25 | 2012-05-30 | 李英 | Energy-saving automatic oil extraction control system of pumping unit |
| RU2492357C1 (en) * | 2012-05-21 | 2013-09-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method to diagnose operation of sucker rod pumping unit |
| CN103422851A (en) * | 2012-05-21 | 2013-12-04 | 王双全 | Method for determining intermittent pumping system through oil-well pump dynamic fullness well testing |
| 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 |
| CN106286255A (en) * | 2016-10-27 | 2017-01-04 | 北京安控科技股份有限公司 | A kind of oil pumper Intelligent air takes out control device and control method thereof |
| CN109973057A (en) * | 2018-12-16 | 2019-07-05 | 淄博京科电气有限公司 | Switched reluctance machines direct current group control system used for oil extractor |
| CN110700812A (en) * | 2019-10-09 | 2020-01-17 | 中国石油天然气股份有限公司 | Device and method for measuring and taking pump diagram of oil well |
| CN111271049A (en) * | 2020-01-22 | 2020-06-12 | 沈阳理工大学 | Method for identifying filling degree of sucker-rod pump pumping well |
| CN113027387A (en) * | 2021-02-22 | 2021-06-25 | 中国石油天然气股份有限公司 | Oil well interval pumping control system and method |
| CN113404483A (en) * | 2020-07-14 | 2021-09-17 | 辽宁瑞邦石油技术发展有限公司 | Method for measuring oil well yield by using electromechanical parameters of beam pumping unit |
-
2009
- 2009-10-30 CN CN2009202464541U patent/CN201535241U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478849A (en) * | 2011-04-25 | 2012-05-30 | 李英 | Energy-saving automatic oil extraction control system of pumping unit |
| RU2492357C1 (en) * | 2012-05-21 | 2013-09-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method to diagnose operation of sucker rod pumping unit |
| CN103422851A (en) * | 2012-05-21 | 2013-12-04 | 王双全 | Method for determining intermittent pumping system through oil-well pump dynamic fullness well testing |
| CN103422851B (en) * | 2012-05-21 | 2016-08-03 | 王双全 | Oil well pump dynamic degree of filling well testing determines interval pumping system method |
| 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 |
| CN106286255B (en) * | 2016-10-27 | 2017-12-12 | 北京安控科技股份有限公司 | A kind of oil pumper Intelligent air takes out control device and its control method |
| CN106286255A (en) * | 2016-10-27 | 2017-01-04 | 北京安控科技股份有限公司 | A kind of oil pumper Intelligent air takes out control device and control method thereof |
| CN109973057A (en) * | 2018-12-16 | 2019-07-05 | 淄博京科电气有限公司 | Switched reluctance machines direct current group control system used for oil extractor |
| CN110700812A (en) * | 2019-10-09 | 2020-01-17 | 中国石油天然气股份有限公司 | Device and method for measuring and taking pump diagram of oil well |
| CN111271049A (en) * | 2020-01-22 | 2020-06-12 | 沈阳理工大学 | Method for identifying filling degree of sucker-rod pump pumping well |
| CN111271049B (en) * | 2020-01-22 | 2024-01-19 | 沈阳理工大学 | Method for identifying filling degree of sucker rod pumping well |
| CN113404483A (en) * | 2020-07-14 | 2021-09-17 | 辽宁瑞邦石油技术发展有限公司 | Method for measuring oil well yield by using electromechanical parameters of beam pumping unit |
| CN113027387A (en) * | 2021-02-22 | 2021-06-25 | 中国石油天然气股份有限公司 | Oil well interval pumping control system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20121030 |