CN105298469A - Monitoring system and monitoring method for running state of beam-pumping unit - Google Patents
Monitoring system and monitoring method for running state of beam-pumping unit Download PDFInfo
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- CN105298469A CN105298469A CN201510681192.1A CN201510681192A CN105298469A CN 105298469 A CN105298469 A CN 105298469A CN 201510681192 A CN201510681192 A CN 201510681192A CN 105298469 A CN105298469 A CN 105298469A
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Abstract
The invention provides a monitoring system for a running state of a beam-pumping unit, which comprises a Hall sensor, a sampling circuit assembly, a signal conversion device, a single-chip microcomputer and a human-computer interaction interface which are connected together. In addition, a monitoring method applied by the monitoring system comprises that voltages, currents and phase states of an electric motor in the pumping unit are collected and stored in groups to form an original dataflow; various kinds of original motion state signals in the input original dataflow are converted and transmitted; the converted original signals are treated by digital and array processing and then stored, original data arrays of the pumping unit are analyzed, and the arrays obtained through analysis are classified; and running data of the pumping unit is displayed on the human-computer interaction interface. The monitoring system and the monitoring method for the running state of the beam-pumping unit provided by the invention only analyze running curves obtained through continuous sampling of the running data of the electric motor of the pumping unit, and can display various kinds of running condition data and continuous data macros of the pumping unit without installing any dedicated measurement appliance.
Description
Technical field
The present invention relates to a kind of monitoring system, especially a kind of operating state of beam-pumping unit monitoring system and monitoring method.
Background technology
At petroleum production art, the formulation of every mining technique relies on the every concrete data target of oil well and its variation tendency to formulate.Well data can be divided into well head data and downhole data.Well head data mainly contain: casing pressure, flow and indicator card.Downhole data mainly contains: 1) flowing bottomhole pressure (FBHP); 2) pump filling rate (degree of filling); 3) producing fluid level etc.
In current manufacturing process, no matter be well head data, or downhole data is all directly measured by various physical apparatus, instrument and obtained.And individual data there is no method and directly records (as pump filling rate), but obtains from dynamometer card analysis.In addition, the acquisition of current oil pumper data is in most cases for major way with artificial execute-in-place.This mode directly measured with manual operation, instrument and meter has subject matter:
1, density measurement is very low, and be generally one day, a couple of days and even several weeks measure a well data, the acquisition real-time of data is poor;
2, surveying work mostly is outdoor working in dispersion point, and the resource consumption of surveying work is very large, labour intensity is very large;
3, the instrument and meter of current use exists or can not frequent use (as ultrasonic liquid leveller is not suitable for continuous measurement operation), or the problem that application life is shorter (as bottom hole pressure bomb), forms restriction to the acquisition of the data of rod-pumped well.Particularly, for continuous, the sampling request thick and fast of the rod-pumped well data required for digitlization field production management system, existing data acquisition means can not meet the demands completely.
Summary of the invention
For the weak point existed in the problems referred to above, the invention provides and a kind ofly to analyze by means of only carrying out the operation curve that continuous sampling obtains to the service data of pumping-unit motor, do not need any special measuring appliance is installed, just can provide every operation condition data of oil pumper and the grand operating state of beam-pumping unit monitoring system of continuous data and monitoring method.
For achieving the above object, the invention provides a kind of operating state of beam-pumping unit monitoring system, comprise the Hall element, sample circuit assembly, chromacoder, single-chip microcomputer and the human-computer interaction interface that are connected;
Described sample circuit assembly is to the voltage of motor in the oil pumper collected, electric current and phase state and stored by group, to form the original data stream of oil pumper running status;
Described chromacoder is used for changing the various original motion status signals in original data stream;
Described single-chip microcomputer is used for the primary signal after to conversion and carries out digitlization and array process and preservation, analyzing oil pumper initial data array, to classifying with the array obtained by analysis;
Described human-computer interaction interface is presented at human-computer interaction interface for the data run by oil pumper.
Above-mentioned operating state of beam-pumping unit monitoring system, wherein, described sample circuit assembly comprises electric current, voltage sensor, pulse display module and phase measurtement encoder.
Above-mentioned operating state of beam-pumping unit monitoring system, wherein, the input of described Hall element is connected with the motor cable of oil pumper.
The present invention also provides a kind of operating state of beam-pumping unit monitoring method, comprises the following steps:
Step 1, the voltage gathering motor in oil pumper, electric current and phase state are also stored by group, form the original data stream of oil pumper running status;
Step 2, original motion status signal various in inputted original data stream to be changed, and transmit;
Step 3, the primary signal after conversion being carried out to digitlization and array process and preservation, oil pumper initial data array being analyzed, to classifying with the array obtained by analysis;
Step 4, by oil pumper run data be presented on human-computer interaction interface.
Above-mentioned monitoring method, wherein, in step 1, sample circuit assembly gathers every 1 millisecond the voltage and current of motor and the phase state data of oil pumper that are once inputted by Hall element.
Above-mentioned monitoring method, wherein, in step 3, comprises following operating procedure:
When after the data writing a jig frequency all over, the motor data of an oil pumper jig frequency obtained Continuous Observation carries out filtering, remove pseudo-data and interfering data after, just obtain one group of actual effect array corresponding with oil pumper running status;
This data group is decomposed, after removing the contribution of Weighting system, the loss in efficiency of belt and reductor system, bar pumping system and friction loss, directionality analytical calculation (comprising the contrast with the gross data of oil pumper) is carried out to the variation tendency of data group, amplitude, polarity, just obtains shaft bottom (Pump Suction Nozzle) the stream pressure of oil pumper, pump filling rate (degree of filling), dynamic pump efficiency and convert out the utility data of dynamic oil level.
Compared with prior art, the present invention has the following advantages:
The present invention carries out by means of only the service data (voltage, electric current) to pumping-unit motor the operation curve that continuous sampling obtains and analyzes, do not need to install in observation process any special measuring appliance just can provide every operation condition data (flowing bottomhole pressure (FBHP), pump submergence, pump degree of filling) of oil pumper and the continuous data of oil pumper and oil well performance grand.
In addition, present invention achieves the every reference data needed for the intensive collection oil pumper production in full automation ground, eliminate the complexity of existing measuring process, compensate for the disappearance of the partial data (filling rate) that existing measurement means can not directly provide, drastically reduce the area the resource that well data collection in the past consumes.
The present invention is the indirect measurement system of oil pumper service data.Based on this motor service data obtained by continuous measurement, data processing is judged as that means have clear and definite advance and originality to the method obtaining the every data of oil pumper operation condition, is the important foundation realizing oil field digital management.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of monitoring system in the present invention;
Fig. 2 is the flow chart of monitoring method in the present invention.
Main Reference Numerals is described as follows:
1-Hall element; 2-sample circuit assembly; 3-chromacoder; 4-single-chip microcomputer; 5-human-computer interaction interface
Detailed description of the invention
As shown in Figure 1, the present invention includes the Hall element 1, sample circuit assembly 2, chromacoder 3, single-chip microcomputer 4 and the human-computer interaction interface 5 that are connected.
Wherein, the input of Hall element is connected with the motor cable of oil pumper.
Sample circuit assembly is to the voltage of motor in the oil pumper collected, electric current and phase state and stored by group, to form the original data stream of oil pumper running status.Sample circuit assembly comprises electric current, voltage sensor, pulse display module and phase measurtement encoder.
Chromacoder is used for changing the various original motion status signals in original data stream.
Single-chip microcomputer is used for the primary signal after to conversion and carries out digitlization and array process and preservation, analyzing oil pumper initial data array, to classifying with the array obtained by analysis.Wherein, when analyzing oil pumper initial data array, screening true and false data, sorting out valid data and being contrasted differentiation, to obtain the critical data relevant to oil pumper motion state.
To classifying with the array obtained by analysis, to be able to carry out showing or transmitting according to production management rule, custom.
Human-computer interaction interface is presented at human-computer interaction interface for the data run by oil pumper, in addition, can also be transferred in the management platform of far-end.
As shown in Figure 2, the present invention also provides a kind of operating state of beam-pumping unit monitoring method, comprises the following steps:
Step 1, sample circuit assembly gather the voltage of motor in oil pumper, electric current and phase state and are stored by group, form the original data stream of oil pumper running status.
Wherein, sample circuit assembly gathers every 1 millisecond the voltage and current of motor and the phase state data of oil pumper that are once inputted by Hall element.
Sample circuit assembly comprises electric current, voltage sensor, pulse display module and phase measurtement encoder.
Step 2, chromacoder are changed original motion status signal various in inputted original data stream, and transmit.
Step 3, single-chip microcomputer carrying out digitlization and array process and preservation to the primary signal after conversion, analyzing oil pumper initial data array, to classifying with the array obtained by analysis.
Wherein, when analyzing oil pumper initial data array, screening true and false data, sorting out valid data and being contrasted differentiation, to obtain the critical data relevant to oil pumper motion state.
To classifying with the array obtained by analysis, to be able to carry out showing or transmitting according to production management rule, custom.
Wherein, in step 3, following operating procedure is comprised:
When after the data writing a jig frequency all over, the motor data of an oil pumper jig frequency obtained Continuous Observation carries out filtering, remove pseudo-data and interfering data after, just obtain one group of actual effect array corresponding with oil pumper running status;
This data group is decomposed, after removing the contribution of Weighting system, the loss in efficiency of belt and reductor system, bar pumping system and friction loss, directionality analytical calculation (comprising the contrast with the gross data of oil pumper) is carried out to the variation tendency of data group, amplitude, polarity, just obtains shaft bottom (Pump Suction Nozzle) the stream pressure of oil pumper, pump filling rate (degree of filling), dynamic pump efficiency and convert out the utility data of dynamic oil level.
Step 4, by oil pumper run data be presented on human-computer interaction interface.
Wherein, the data that oil pumper runs are presented on human-computer interaction interface, in addition, can also be transferred in the management platform of far-end.
The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (6)
1. an operating state of beam-pumping unit monitoring system, is characterized in that, comprises the Hall element, sample circuit assembly, chromacoder, single-chip microcomputer and the human-computer interaction interface that are connected;
Described sample circuit assembly is to the voltage of motor in the oil pumper collected, electric current and phase state and stored by group, to form the original data stream of oil pumper running status;
Described chromacoder is used for changing the various original motion status signals in original data stream;
Described single-chip microcomputer is used for the primary signal after to conversion and carries out digitlization and array process and preservation, analyzing oil pumper initial data array, to classifying with the array obtained by analysis;
Described human-computer interaction interface is presented at human-computer interaction interface for the data run by oil pumper.
2. operating state of beam-pumping unit monitoring system according to claim 1, is characterized in that, described sample circuit assembly comprises electric current, voltage sensor, pulse display module and phase measurtement encoder.
3. operating state of beam-pumping unit monitoring system according to claim 1 and 2, is characterized in that, the input of described Hall element is connected with the motor cable of oil pumper.
4. implement a method for operating state of beam-pumping unit monitoring system according to claim 1, comprise the following steps:
Step 1, the voltage gathering motor in oil pumper, electric current and phase state are also stored by group, form the original data stream of oil pumper running status;
Step 2, original motion status signal various in inputted original data stream to be changed, and transmit;
Step 3, the primary signal after conversion being carried out to digitlization and array process and preservation, oil pumper initial data array being analyzed, to classifying with the array obtained by analysis;
Step 4, by oil pumper run data be presented on human-computer interaction interface.
5. monitoring method according to claim 4, is characterized in that, in step 1, sample circuit assembly gathers every 1 millisecond the voltage and current of motor and the phase state data of oil pumper that are once inputted by Hall element.
6. monitoring method according to claim 4, is characterized in that, in step 3, comprises following operating procedure:
When after the data writing a jig frequency all over, the motor data of an oil pumper jig frequency obtained Continuous Observation carries out filtering, remove pseudo-data and interfering data after, just obtain one group of actual effect array corresponding with oil pumper running status;
This data group is decomposed, after removing the contribution of Weighting system, the loss in efficiency of belt and reductor system, bar pumping system and friction loss, directionality analytical calculation (comprising the contrast with the gross data of oil pumper) is carried out to the variation tendency of data group, amplitude, polarity, just obtains shaft bottom (Pump Suction Nozzle) the stream pressure of oil pumper, pump filling rate (degree of filling), dynamic pump efficiency and convert out the utility data of dynamic oil level.
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| CN201510681192.1A CN105298469A (en) | 2015-10-20 | 2015-10-20 | Monitoring system and monitoring method for running state of beam-pumping unit |
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| CN201510681192.1A CN105298469A (en) | 2015-10-20 | 2015-10-20 | Monitoring system and monitoring method for running state of beam-pumping unit |
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Citations (6)
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| CN2819642Y (en) * | 2005-09-07 | 2006-09-20 | 孙力 | Constant-power controller of beam oil sucker |
| CN102081117A (en) * | 2010-12-14 | 2011-06-01 | 大庆百米马流体控制系统有限公司 | Pumping unit power hand-held test instrument and application method thereof |
| CN201860286U (en) * | 2010-08-03 | 2011-06-08 | 戴薇 | Control system for pumping unit in oil field |
| CN102158154A (en) * | 2011-03-11 | 2011-08-17 | 张静 | Smart electricity-saving speed-regulating control device of beam-pumping unit |
| WO2014074434A1 (en) * | 2012-11-06 | 2014-05-15 | Unico, Inc. | Apparatus and method of referencing a sucker rod pump |
| CN104481499A (en) * | 2014-09-11 | 2015-04-01 | 哈尔滨斯特凯峰电子有限公司 | Electrical parameter based rod pumped well daily fluid production capacity measuring method |
-
2015
- 2015-10-20 CN CN201510681192.1A patent/CN105298469A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2819642Y (en) * | 2005-09-07 | 2006-09-20 | 孙力 | Constant-power controller of beam oil sucker |
| CN201860286U (en) * | 2010-08-03 | 2011-06-08 | 戴薇 | Control system for pumping unit in oil field |
| CN102081117A (en) * | 2010-12-14 | 2011-06-01 | 大庆百米马流体控制系统有限公司 | Pumping unit power hand-held test instrument and application method thereof |
| CN102158154A (en) * | 2011-03-11 | 2011-08-17 | 张静 | Smart electricity-saving speed-regulating control device of beam-pumping unit |
| WO2014074434A1 (en) * | 2012-11-06 | 2014-05-15 | Unico, Inc. | Apparatus and method of referencing a sucker rod pump |
| CN104481499A (en) * | 2014-09-11 | 2015-04-01 | 哈尔滨斯特凯峰电子有限公司 | Electrical parameter based rod pumped well daily fluid production capacity measuring method |
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