CN109581866A - A kind of pumping unit integrated evaluating method and system - Google Patents
A kind of pumping unit integrated evaluating method and system Download PDFInfo
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- CN109581866A CN109581866A CN201710899805.8A CN201710899805A CN109581866A CN 109581866 A CN109581866 A CN 109581866A CN 201710899805 A CN201710899805 A CN 201710899805A CN 109581866 A CN109581866 A CN 109581866A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
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Abstract
The invention discloses a kind of pumping unit integrated evaluating method and system, which includes: the composition based on pumping unit, establishes multiple subsystem assessment indicator systems；Pumping unit system comprehensive evaluation model is established using Two-level fuzzy comprehensive method based on multiple subsystem assessment indicator systems；Electronic electromechanical parameters and surface dynamometer card supplemental characteristic are obtained based on pumping unit；Based on electrical parameter, surface dynamometer card supplemental characteristic and pumping unit system comprehensive evaluation model, the appraisal report of pumping unit is obtained.
Description
Technical field
The present invention relates to field of oil development, and in particular, to a kind of pumping unit integrated evaluating method and system.
Background technique
Pumping unit is at present using one of most common oil exploitation machinery, and China's pumping unit sucker rod pumping well number accounts for about
The 82.1% of total well number, has nearly 80,000 pumping units, and there are about ten for type to plant, and wherein beam pumping unit is main Types, takes out
Oil machine oil pumping system is both the oil recovery main force and big power consumer, and the efficiency of China's pumping unit system is 26%, with world standard phase
Than with sizable gap.The system effectiveness of China's oil-field oil pumper is lower, this is always perplex the production of China oil field one
Big chronic disease is directed to the operational efficiency of pumping unit at present, and there are no the test macro to conform to the actual situation and the evaluation sides of complete and accurate
Method.
The Real-Time Evaluation of traditional pumping unit production is actually to be solved using comprehensive method, including current method, suppress
Platen press, hydrodynamic planar survey, gauge gas metering etc., it is single where being on the one hand difficult accurate judgement or determining problem.These methods exist
The problems such as Operation and Maintenance is loaded down with trivial details, equipment dependability is poor, the data precision and real-time be not high, easily cause production status judgement
Inaccuracy and fault diagnosis and dealing hysteresis, the unnecessary loss for causing oil field to produce.
In view of the above problems, further being mentioned in doctoral thesis " research of beam pumping unit oil extraction system real-time estimating method "
Go out the beam pumping unit real-time estimating method based on electric work figure, proposes a series of totally 9 using electric work figure period function as representative
Kind pumping unit system evaluation index, proposes otherness description, the electric work figure polar coordinates, characteristic frequency far throw shadow of system dynamic course
Etc. System Assessment Methods, oil pumping machine fault is detected and is forecast according to mentioned evaluation index and evaluation method, hard measurement and ginseng
The contents such as number estimation, efficiency analysis carry out system evaluation.The evaluation method and its theoretical system are just established, and are also in grind at present
Study carefully the stage, in addition, this method is only for beam pumping unit, pumping unit type is single, and other types pumping production system is still
It cannot be applicable in.
Patent CN 101135910A " rod pumping system ground installation efficiency rating method ", only for pumping unit
The key components of oil extraction system --- ground installation proposes efficiency rating method, cannot be directed to entire pumping production system
System is evaluated.
Therefore, it is necessary to which the pumping unit of system evaluation can be integrally carried out when researching and developing a kind of scope of application Datong District to pumping unit
Integrated evaluating method and system.
Summary of the invention
The invention proposes a kind of pumping unit integrated evaluating method and system, the method can integrally carry out pumping unit
System evaluation, and then pumping unit system tune ginseng and workover treatment are effectively instructed, raising machine is taken out system effectiveness and is reached, and electric energy is saved.
To achieve the goals above, according to an aspect of the invention, it is proposed that a kind of pumping unit integrated evaluating method, packet
It includes:
Composition based on pumping unit establishes multiple subsystem assessment indicator systems；
Pumping unit system overall merit is established using Two-level fuzzy comprehensive method based on multiple subsystem assessment indicator systems
Model；
Electronic electromechanical parameters and surface dynamometer card supplemental characteristic are obtained based on pumping unit；
Based on the electrical parameter, the surface dynamometer card supplemental characteristic and the pumping unit system comprehensive evaluation model, obtain
Take the appraisal report of pumping unit.
Preferably, described to establish multiple subsystem assessment indicator systems include: the composition by pumping unit, establishes motor
Subsystem assessment indicator system, pumping unit subsystem assessment indicator system, oil pumping pipe subsystem assessment indicator system and oil well pump
Subsystem assessment indicator system.
Preferably, described to use Two-level fuzzy comprehensive method, establishing pumping unit system comprehensive evaluation model includes:
Based on formula:Establish pumping unit system comprehensive evaluation model；
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J is that certain index major class is segmented out again
Subclass, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it
It is the i-th major class, the jdgement matrix that degree of membership of each index in grade is constituted in jth subclass；U is index set；R, which is that second level is fuzzy, to be commented
Sentence matrix；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
Preferably, described comprehensive based on the electrical parameter, the surface dynamometer card supplemental characteristic and the pumping unit system
Evaluation model, the appraisal report for obtaining pumping unit include；It is comprehensive that pumping unit is established based on the pumping unit system comprehensive evaluation model
Evaluation system is closed, the electrical parameter and the surface dynamometer card supplemental characteristic are input to the pumping unit overall evaluation system,
Multiple pumping unit evaluation indexes are obtained, the work shape based on multiple evaluation indexes overall merit pumping unit system in the form of giving a mark
State obtains the overall merit report of pumping unit system.
According to an aspect of the invention, it is proposed that a kind of pumping unit overall evaluation system, comprising:
Composition based on pumping unit establishes the unit of multiple subsystem assessment indicator systems；
Pumping unit system overall merit is established using Two-level fuzzy comprehensive method based on multiple subsystem assessment indicator systems
The unit of model；
The unit of electronic electromechanical parameters and surface dynamometer card supplemental characteristic is obtained based on pumping unit；
Based on the electrical parameter, the surface dynamometer card supplemental characteristic and the pumping unit system comprehensive evaluation model, obtain
Take the unit of the appraisal report of pumping unit.
Preferably, described to establish multiple subsystem assessment indicator systems include: the composition by pumping unit, establishes motor
Subsystem assessment indicator system, pumping unit subsystem assessment indicator system, oil pumping pipe subsystem assessment indicator system and oil well pump
Subsystem assessment indicator system.
Preferably, described to use Two-level fuzzy comprehensive method, establishing pumping unit system comprehensive evaluation model includes:
Based on formula:Establish pumping unit system comprehensive evaluation model；
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J is that certain index major class is segmented out again
Subclass, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it
It is the i-th major class, the jdgement matrix that degree of membership of each index in grade is constituted in jth subclass；U is index set；R, which is that second level is fuzzy, to be commented
Sentence matrix；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
Preferably, described comprehensive based on the electrical parameter, the surface dynamometer card supplemental characteristic and the pumping unit system
Evaluation model, the unit for obtaining the appraisal report of pumping unit include；It is established and is taken out based on the pumping unit system comprehensive evaluation model
The electrical parameter and the surface dynamometer card supplemental characteristic are input to the pumping unit overall merit by oil machine overall evaluation system
System obtains multiple pumping unit evaluation indexes, the work based on multiple evaluation indexes overall merit pumping unit system in the form of giving a mark
Make state, obtains the overall merit report of pumping unit system.
The beneficial effects of the present invention are: it is based on multiple subsystem assessment indicator systems and surface dynamometer card supplemental characteristic pair
Pumping production is carried out overall merit and is pumped based on multiple subsystem assessment indicator systems using Two-level fuzzy comprehensive method
Machine system comprehensive evaluation model forms pumping unit system System of Comprehensive Evaluation, which includes multiple evaluation indexes, root altogether
It can be comprehensive in the form of giving a mark by input electrical parameter and surface dynamometer card supplemental characteristic according to pumping unit system comprehensive evaluation model
The working condition for closing evaluating pumping oil machine system obtains the overall merit report of pumping unit system, provides for pumping unit system optimization
Foundation.
The device of the invention has other characteristics and advantages, these characteristics and advantages from the attached drawing being incorporated herein and with
It will be apparent in specific embodiment afterwards, or will be in the attached drawing and subsequent specific embodiment being incorporated herein
Middle to be stated in detail, the drawings and the detailed description together serve to explain specific principles of the invention.
Detailed description of the invention
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows a kind of overall merit of pumping unit system integrated evaluating method according to an embodiment of the invention
Flow chart.
Fig. 2 shows the appraisal report surface charts of pumping unit according to an embodiment of the invention.
Specific embodiment
The present invention will be described in more detail below with reference to accompanying drawings.Although showing preferred implementation side of the invention in attached drawing
Formula, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
Embodiment 1
In this embodiment, pumping unit integrated evaluating method according to the present invention, comprising: the composition based on pumping unit,
Establish multiple subsystem assessment indicator systems；It is established based on multiple subsystem assessment indicator systems using Two-level fuzzy comprehensive method
Pumping unit system comprehensive evaluation model；Electronic electromechanical parameters and surface dynamometer card supplemental characteristic are obtained based on pumping unit；Based on electricity
Parameter, surface dynamometer card supplemental characteristic and pumping unit system comprehensive evaluation model, obtain the appraisal report of pumping unit.
The embodiment is based on multiple subsystem assessment indicator systems and Two-level fuzzy comprehensive method, and it is comprehensive to establish pumping unit system
Evaluation model is closed, electronic electromechanical parameters and surface dynamometer card supplemental characteristic overall merit pumping unit are passed through.
The following detailed description of the specific steps of pumping unit integrated evaluating method according to the present invention.
Composition based on pumping unit establishes multiple subsystem assessment indicator systems；
In one example, establishing multiple subsystem assessment indicator systems includes: the composition by pumping unit, is established electronic
Loom comprehensive evaluation index system, pumping unit subsystem assessment indicator system, oil pumping pipe subsystem assessment indicator system and oil pumping
Pump subsystem assessment indicator system.
Specifically, 4 pumping unit system key composition motor, pumping unit, sucker rod and oil well pump subsystems are established to comment
Valence index system obtains multiple pumping unit system evaluation indexes, and implementation steps are as follows:
1, motor subsystem assessment indicator system, pumping unit subsystem assessment indicator system, oil pumping pipe subsystem are established
Assessment indicator system and oil well pump subsystem assessment indicator system；
1) motor subsystem assessment indicator system includes: motor efficiency evaluation index and Efficiency Evaluation index；
2) pumping unit subsystem assessment indicator system includes: Pumping Unit load evaluation index, oil pumping unit reduction gearbox load
Lotus evaluation index and balance of well pumping unit degree evaluation index；
3) oil pumping pipe subsystem assessment indicator system includes: that maximum sucker rod load evaluation index, minimal polished rod load are commented
Valence index and oil pumping buckling of bar evaluation index；
4) oil well pump subsystem assessment indicator system includes: that pumping efficiency of oil pump evaluation index and pump leakage factor evaluation refer to
Mark.
Pumping unit system overall merit is established using Two-level fuzzy comprehensive method based on multiple subsystem assessment indicator systems
Model.
In one example, using Two-level fuzzy comprehensive method, establishing pumping unit system comprehensive evaluation model includes:
Based on formula:Establish pumping unit system comprehensive evaluation model；
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J is that certain index major class is segmented out again
Subclass, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it
It is the i-th major class, the jdgement matrix that degree of membership of each index in grade is constituted in jth subclass；U is index set；R, which is that second level is fuzzy, to be commented
Sentence matrix；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
Electronic electromechanical parameters and surface dynamometer card supplemental characteristic are obtained based on pumping unit；
Based on electrical parameter, surface dynamometer card supplemental characteristic and pumping unit system comprehensive evaluation model, commenting for pumping unit is obtained
Valence report.
It is based on electrical parameter, surface dynamometer card supplemental characteristic and pumping unit system comprehensive evaluation model in one example, obtains
The appraisal report for taking pumping unit includes；Pumping unit overall evaluation system is established based on pumping unit system comprehensive evaluation model, it will be electric
Parameter and surface dynamometer card supplemental characteristic are input to pumping unit overall evaluation system, obtain multiple pumping unit evaluation indexes, are based on
The working condition of multiple evaluation indexes overall merit pumping unit system in the form of giving a mark obtains the overall merit report of pumping unit system
It accuses.
Specifically, it is based on pumping unit system comprehensive evaluation model, develops pumping unit overall evaluation system using VB6.0,
Using pumping unit overall evaluation system by the input of the electrical parameters and surface dynamometer card parameter such as motor current, voltage, calculate
Multiple evaluation indexes out, the working condition of overall merit pumping unit system in the form of giving a mark show that the synthesis of pumping unit system is commented
Valence report provides foundation for pumping unit system optimization, establishes pumping unit overall merit by pumping unit system comprehensive evaluation model
System is conventional technical means.
Embodiment
A concrete application example is given below in the scheme and its effect of embodiment of the present invention for ease of understanding.Ability
Field technique personnel should be understood that the example only for the purposes of understanding that the present invention, any detail are not intended in any way
The limitation present invention.
Fig. 1 is the overall merit process according to a kind of pumping unit system integrated evaluating method of one embodiment of the present of invention
Figure.As shown in Figure 1, this method comprises:
Step 1, it using Two-level fuzzy comprehensive method, is evaluated with motor subsystem assessment indicator system, pumping unit subsystem
Pumping unit system is established based on index system, oil pumping pipe subsystem assessment indicator system and oil well pump subsystem assessment indicator system
Unite comprehensive evaluation model, formed pumping unit system System of Comprehensive Evaluation, the system include: motor efficiency evaluation index,
Efficiency Evaluation index, Pumping Unit load evaluation index, oil pumping unit reduction gearbox load evaluation index, balance of well pumping unit degree
Evaluation index, maximum sucker rod load evaluation index, minimal polished rod load evaluation index, oil pumping buckling of bar evaluation index, oil pumping
Pump pump efficiency evaluation index and pump leakage factor evaluation index totally ten evaluation indexes；
Step 2, according to pumping unit system comprehensive evaluation index model, rod-pumped well overall merit is developed using VB6.0
System；
Step 3, electrical parameters and the surface dynamometer card supplemental characteristics such as motor current, voltage are obtained；
Step 4, the rod-pumped well overall evaluation system that exploitation goes out, by electrical parameters such as motor current, voltages and
The input of surface dynamometer card parameter calculates 10 evaluation indexes；
Step 5, according to calculated 10 evaluation indexes, the work shape of overall merit pumping unit system in the form of giving a mark
State, obtains the overall merit report of pumping unit system, provides foundation for pumping unit system optimization.
In the present embodiment, wherein in step 1, as shown in Fig. 2, establishing pumping unit system using Two-level fuzzy comprehensive method
Comprehensive evaluation index model formation of uniting is as follows:
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J is that certain index major class is segmented out again
Subclass, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it
It is the i-th major class, the jdgement matrix that degree of membership of each index in grade is constituted in jth subclass；U is index set；R, which is that second level is fuzzy, to be commented
Sentence matrix；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
By taking the P2-15 well of spring scenery oil field as an example:
In the present embodiment, step 4, electronic electromechanical parameters and surface dynamometer card parameter in rod-pumped well overall evaluation system
Input and evaluation index calculating.
In the present embodiment, step 5, the operation result of the evaluation index after being inputted according to data synthesis in the form of giving a mark is commented
The working condition of valence pumping unit system obtains the overall merit report of pumping unit system, the evaluation index after inputting according to data
Operation result obtains designed pumping unit system overall merit report, and Fig. 2 shows according to an embodiment of the invention
The appraisal report surface chart of pumping unit.As shown in Fig. 2, by the way that the electrical parameters such as motor current, voltage and surface dynamometer card are joined
Several input oil machine well overall evaluation systems, calculates 10 evaluation indexes, based on 10 evaluation indexes by comprehensive in the form of giving a mark
The working condition for closing evaluating pumping oil machine system, obtains the overall merit report of pumping unit system, and for 10 evaluation indexes into
One step provides adjustment and suggests, and then effectively instructs pumping unit system tune ginseng and workover treatment, and raising machine is taken out system effectiveness and reached, and saves
Electric energy.
Embodiment 2
Embodiment according to the present invention, provides a kind of pumping unit overall evaluation system, and system may include:
Composition based on pumping unit establishes the unit of multiple subsystem assessment indicator systems；
Pumping unit system comprehensive evaluation model is established using Two-level fuzzy comprehensive method based on subsystem assessment indicator system
Unit；
The unit of electronic electromechanical parameters and surface dynamometer card supplemental characteristic is obtained based on pumping unit；
Based on electrical parameter, surface dynamometer card supplemental characteristic and pumping unit system comprehensive evaluation model, commenting for pumping unit is obtained
The unit of valence report.
In one example, establishing subsystem assessment indicator system includes: the composition by pumping unit, establishes electronic loom
Comprehensive evaluation index system, pumping unit subsystem assessment indicator system, oil pumping pipe subsystem assessment indicator system and oil well pump
Comprehensive evaluation index system.
In one example, using Two-level fuzzy comprehensive method, establishing pumping unit system comprehensive evaluation model includes:
Based on formula:Establish pumping unit system comprehensive evaluation model；
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J is that certain index major class is segmented out again
Subclass, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it
It is the i-th major class, the jdgement matrix that degree of membership of each index in grade is constituted in jth subclass；U is index set；R, which is that second level is fuzzy, to be commented
Sentence matrix；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
In one example, it is based on electrical parameter, surface dynamometer card supplemental characteristic and pumping unit system comprehensive evaluation model,
The unit of appraisal report for obtaining pumping unit includes；Pumping unit overall merit system is established based on pumping unit system comprehensive evaluation model
System, is input to pumping unit overall evaluation system for electrical parameter and surface dynamometer card supplemental characteristic, obtains multiple pumping unit evaluations and refers to
Mark, based on the working condition of multiple evaluation indexes overall merit pumping unit system in the form of giving a mark, obtains the comprehensive of pumping unit system
Close appraisal report.
It will be understood by those skilled in the art that above to the purpose of the description of embodiments of the present invention only for illustratively
The beneficial effect for illustrating embodiments of the present invention is not intended to for embodiments of the present invention to be limited to given any show
Example.
The embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed each embodiment.It is right without departing from the scope and spirit of illustrated each embodiment
Many modifications and changes are obvious for those skilled in the art.The choosing of term used herein
It selects, it is intended to best explain the principle, practical application or the improvement to the technology in market of each embodiment, or make this technology
Other those of ordinary skill in field can understand each embodiment disclosed herein.
Claims (8)
1. a kind of pumping unit integrated evaluating method, comprising:
Composition based on pumping unit establishes multiple subsystem assessment indicator systems；
Pumping unit system comprehensive evaluation model is established using Two-level fuzzy comprehensive method based on multiple subsystem assessment indicator systems；
Electronic electromechanical parameters and surface dynamometer card supplemental characteristic are obtained based on pumping unit；
Based on the electrical parameter, the surface dynamometer card supplemental characteristic and the pumping unit system comprehensive evaluation model, obtains and take out
The appraisal report of oil machine.
2. pumping unit integrated evaluating method according to claim 1, wherein described to establish multiple subsystem evaluation index bodies
System includes: the composition by pumping unit, establishes motor subsystem assessment indicator system, pumping unit subsystem evaluation index body
System, oil pumping pipe subsystem assessment indicator system and oil well pump subsystem assessment indicator system.
3. pumping unit integrated evaluating method according to claim 1, wherein it is described to use Two-level fuzzy comprehensive method, it establishes
Pumping unit system comprehensive evaluation model includes:
Based on formula:Establish pumping unit system comprehensive evaluation model；
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J segments out thin again for certain index major class
Class, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it is i-th
The jdgement matrix that degree of membership of each index in grade is constituted in major class, jth subclass；U is index set；R is two-grade fuzzy evaluating square
Battle array；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
4. pumping unit integrated evaluating method according to claim 1, wherein described to be based on the electrical parameter, the ground
Indicator card supplemental characteristic and the pumping unit system comprehensive evaluation model, the appraisal report for obtaining pumping unit include；Based on described
Pumping unit system comprehensive evaluation model establishes pumping unit overall evaluation system, by the electrical parameter and the surface dynamometer card parameter
Data are input to the pumping unit overall evaluation system, obtain multiple pumping unit evaluation indexes, based on multiple evaluation indexes to beat
The working condition of form-separating overall merit pumping unit system obtains the overall merit report of pumping unit system.
5. a kind of pumping unit overall evaluation system, comprising:
Composition based on pumping unit establishes the unit of multiple subsystem assessment indicator systems；
Pumping unit system comprehensive evaluation model is established using Two-level fuzzy comprehensive method based on multiple subsystem assessment indicator systems
Unit；
The unit of electronic electromechanical parameters and surface dynamometer card supplemental characteristic is obtained based on pumping unit；
Based on the electrical parameter, the surface dynamometer card supplemental characteristic and the pumping unit system comprehensive evaluation model, obtains and take out
The unit of the appraisal report of oil machine.
6. pumping unit overall evaluation system according to claim 5, wherein described to establish multiple subsystem evaluation index bodies
System includes: the composition by pumping unit, establishes motor subsystem assessment indicator system, pumping unit subsystem evaluation index body
System, oil pumping pipe subsystem assessment indicator system and oil well pump subsystem assessment indicator system.
7. pumping unit overall evaluation system according to claim 5, wherein it is described to use Two-level fuzzy comprehensive method, it establishes
Pumping unit system comprehensive evaluation model includes:
Based on formula:Establish pumping unit system comprehensive evaluation model；
Wherein i is the index major class of subsystem assessment indicator system, i=1,2 ..., m；J segments out thin again for certain index major class
Class, j=1,2 ... n；AiIn i-th index major class, the weight sets of each subclass；AijFor level-one fuzzy comprehensive evoluation matrix, it is i-th
The jdgement matrix that degree of membership of each index in grade is constituted in major class, jth subclass；U is index set；R is two-grade fuzzy evaluating square
Battle array；S is the evaluation index of pumping unit；UijFor the jdgement matrix of i major class j subclass.
8. pumping unit overall evaluation system according to claim 5, wherein described to be based on the electrical parameter, the ground
Indicator card supplemental characteristic and the pumping unit system comprehensive evaluation model, the unit for obtaining the appraisal report of pumping unit include；Base
Pumping unit overall evaluation system is established in the pumping unit system comprehensive evaluation model, the electrical parameter and the ground are shown into function
Graph parameter data are input to the pumping unit overall evaluation system, obtain multiple pumping unit evaluation indexes, are referred to based on multiple evaluations
It is marked with the working condition of marking form overall merit pumping unit system, obtains the overall merit report of pumping unit system.
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| CN110796334A (en) * | 2019-12-04 | 2020-02-14 | 华电电力科学研究院有限公司 | Performance evaluation method of dust removal facility under ultralow emission requirement |
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