CN108153925A - Method and device for evaluating efficiency of oil pumping unit - Google Patents
Method and device for evaluating efficiency of oil pumping unit Download PDFInfo
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- CN108153925A CN108153925A CN201611107430.9A CN201611107430A CN108153925A CN 108153925 A CN108153925 A CN 108153925A CN 201611107430 A CN201611107430 A CN 201611107430A CN 108153925 A CN108153925 A CN 108153925A
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- 238000005086 pumping Methods 0.000 title claims abstract description 315
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000011156 evaluation Methods 0.000 claims abstract description 77
- 238000004364 calculation method Methods 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 11
- 238000005303 weighing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 239000003345 natural gas Substances 0.000 abstract 1
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention discloses an efficiency evaluation method and device for an oil pumping unit, and belongs to the field of petroleum and natural gas production. The method comprises the following steps: for a target pumping unit, acquiring a parameter value corresponding to each index in a plurality of indexes for evaluating the efficiency of the pumping unit; acquiring the fraction of each index in the plurality of indexes in the total evaluation score of the efficiency of the pumping unit; acquiring a weight coefficient corresponding to the parameter value; and determining the oil pumping machine efficiency evaluation score of the target oil pumping machine based on the weight coefficient and the score. According to the method, the parameter value corresponding to each index in a plurality of indexes for evaluating the efficiency of the pumping unit is obtained for the target pumping unit, the pumping unit efficiency evaluation score of the target pumping unit is determined according to the parameter value, and the efficiency of the target pumping unit is evaluated by using the pumping unit efficiency evaluation score, so that the efficiency of the target pumping unit can be evaluated by using a plurality of indexes together, and the comprehensiveness and the accuracy of the efficiency evaluation of the pumping unit are ensured.
Description
Technical field
The present invention relates to petroleum gas production field, more particularly to a kind of efficiency of the pumping unit evaluation method and device.
Background technology
Pumping unit is a kind of machinery equipment for exploiting oil, petroleum lifting can be made to go out well by the method for pressurization.
In practical application, efficiency of the pumping unit is an important parameter for weighing pumping unit working condition, wherein, the higher theory of efficiency of the pumping unit
The energy consumption of bright pumping unit is relatively low, and the operating cost of pumping unit is relatively low.
In the relevant technologies, technical staff can be using the index of a certain evaluating pumping oil engine efficiency come the effect of evaluating pumping oil machine
Rate.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：
There is the index of a variety of evaluating pumping oil engine efficiencies in practical application, and each index is to evaluating pumping oil engine efficiency
Importance also differ, be only on the one hand difficult to the effect of comprehensively evaluating pumping oil machine with an index come the efficiency of evaluating pumping oil machine
Rate if the index on the other hand selected is not high to the importance of evaluating pumping oil engine efficiency, can cause to comment efficiency of the pumping unit
Valency accuracy is poor.
Invention content
In order to solve the problems, such as that the prior art is not comprehensive to efficiency of the pumping unit evaluation, accuracy is poor, the embodiment of the present invention
Provide a kind of efficiency of the pumping unit evaluation method and device.The technical solution is as follows：
On the one hand, a kind of efficiency of the pumping unit evaluation method is provided, the method includes：
For target pumping unit, the corresponding parameter value of each index in multiple indexs of evaluating pumping oil engine efficiency is obtained；
Obtain the score that each index is shared in efficiency of the pumping unit evaluates total score in the multiple index；
Obtain the corresponding weight coefficient of the parameter value；
Based on the weight coefficient and the score, the efficiency of the pumping unit evaluation score of the target pumping unit is determined.
Optionally, the multiple index includes pumping unit load utilization rate, net torque utilization rate, pumping-unit motor work(
At least one of rate utilization rate, pumping unit stroke utilization rate, balance of well pumping unit rate and pump detection period.
Optionally, it is described for target pumping unit, it obtains each index in multiple indexs of evaluating pumping oil engine efficiency and corresponds to
Parameter value, including：
For the target pumping unit, institute is determined using at least one of multiple parameters calculation formula parameter calculation formula
Each corresponding parameter value of index in multiple indexs of commentary valency efficiency of the pumping unit；The multiple parameter calculation formula includes：
Wherein, T is the corresponding parameter value of pumping unit load utilization rate, and M is the corresponding parameter value of net torque utilization rate,
P is the corresponding parameter value of pumping-unit motor power utilization, and S is the corresponding parameter value of pumping unit stroke utilization rate, and B is pumping unit
The corresponding parameter value of balanced ratio, TsMaximum load when being run for pumping unit, TmFor the rated load of pumping unit, MsFor pumping unit
Peak torque during operation, MmFor the nominal torque of pumping unit, PsPower of motor when being run for pumping unit, PmIt is electromechanical for oil pumping
The rated power of machine, SsStroke when being run for pumping unit, SmFor the maximum stroke of pumping unit, I1Motor during for pumping unit downlink
Maximum current value, I2The maximum current value of motor during for pumping unit uplink.
Optionally, it is described based on the weight coefficient and the score, determine the efficiency of the pumping unit of the target pumping unit
Evaluation score, including：
According to evaluation score calculation formula, based on the weight coefficient and the score, the target pumping unit is determined
Efficiency of the pumping unit evaluation score；The evaluation score calculation formula is：
N=∑ n δ；
Wherein, N is the efficiency of the pumping unit evaluation score, and n is commented for the corresponding index of the parameter value in efficiency of the pumping unit
Shared score in valency total score, δ are the corresponding weight coefficient of the parameter value.
On the other hand, a kind of efficiency of the pumping unit evaluating apparatus is provided, described device includes：
Acquisition module, for for target pumping unit, obtaining each index pair in multiple indexs of evaluating pumping oil engine efficiency
The parameter value answered；
The acquisition module is additionally operable to obtain each index institute in efficiency of the pumping unit evaluates total score in the multiple index
The score accounted for；
The acquisition module is additionally operable to obtain the corresponding weight coefficient of the parameter value；
Determining module for being based on the weight coefficient and the score, determines the pumping unit effect of the target pumping unit
Rate evaluation score.
Optionally, the multiple index includes pumping unit load utilization rate, net torque utilization rate, pumping-unit motor work(
At least one of rate utilization rate, pumping unit stroke utilization rate, balance of well pumping unit rate and pump detection period.
Optionally, the acquisition module, is used for：
For the target pumping unit, institute is determined using at least one of multiple parameters calculation formula parameter calculation formula
Each corresponding parameter value of index in multiple indexs of commentary valency efficiency of the pumping unit；The multiple parameter calculation formula includes：
Wherein, T is the corresponding parameter value of pumping unit load utilization rate, and M is the corresponding parameter value of net torque utilization rate,
P is the corresponding parameter value of pumping-unit motor power utilization, and S is the corresponding parameter value of pumping unit stroke utilization rate, and B is pumping unit
The corresponding parameter value of balanced ratio, TsMaximum load when being run for pumping unit, TmFor the rated load of pumping unit, MsFor pumping unit
Peak torque during operation, MmFor the nominal torque of pumping unit, PsPower of motor when being run for pumping unit, PmIt is electromechanical for oil pumping
The rated power of machine, SsStroke when being run for pumping unit, SmFor the maximum stroke of pumping unit, I1Motor during for pumping unit downlink
Maximum current value, I2The maximum current value of motor during for pumping unit uplink.
Optionally, the determining module, is used for：
According to evaluation score calculation formula, based on the weight coefficient and the score, the target pumping unit is determined
Efficiency of the pumping unit evaluation score；The evaluation score calculation formula is：
N=∑ n δ；
Wherein, N is the efficiency of the pumping unit evaluation score, and n is commented for the corresponding index of the parameter value in efficiency of the pumping unit
Shared score in valency total score, δ are the corresponding weight coefficient of the parameter value.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
By for target pumping unit, obtaining each corresponding parameter of index in multiple indexs of its evaluating pumping oil engine efficiency
It is worth, and the efficiency of the pumping unit evaluation score of target pumping unit is determined according to the parameter value, utilizes efficiency of the pumping unit evaluation point
The efficiency of number evaluation target pumping unit, so as to which many indexes is used to evaluate the efficiency of target pumping unit jointly, ensure that pumping
The comprehensive and accuracy of oil machine efficiency rating.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of flow chart of efficiency of the pumping unit evaluation method provided in an embodiment of the present invention.
Fig. 2 is a kind of flow chart of efficiency of the pumping unit evaluation method provided in an embodiment of the present invention.
Fig. 3 is a kind of block diagram of efficiency of the pumping unit evaluating apparatus provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
It please refers to Fig.1, it illustrates the flow charts of efficiency of the pumping unit evaluation method provided by one embodiment of the present invention.Such as
Shown in Fig. 1, which may comprise steps of：
Step 101, for target pumping unit, obtain the corresponding ginseng of each index in multiple indexs of evaluating pumping oil engine efficiency
Numerical value.
Step 102 obtains the score that each index is shared in efficiency of the pumping unit evaluates total score in multiple indexs.
Step 103, the corresponding weight coefficient of the value that gets parms.
Step 104, based on weight coefficient and score, determine the efficiency of the pumping unit evaluation score of target pumping unit.
In conclusion efficiency of the pumping unit evaluation method provided in an embodiment of the present invention, by for target pumping unit, obtaining
Each corresponding parameter value of index in multiple indexs of its evaluating pumping oil engine efficiency, and target pumping unit is determined according to the parameter value
Efficiency of the pumping unit evaluation score, with using the efficiency of the pumping unit evaluation score evaluation target pumping unit efficiency, so as to
It evaluates the efficiency of target pumping unit jointly using many indexes, ensure that the comprehensive and accuracy of efficiency of the pumping unit evaluation.
It please refers to Fig.2, it illustrates the flow charts of efficiency of the pumping unit evaluation method provided by one embodiment of the present invention.Such as
Shown in Fig. 2, which may comprise steps of：
Step 201, for target pumping unit, it is true using at least one of multiple parameters calculation formula parameter calculation formula
Each corresponding parameter value of index in multiple indexs of accepted opinion valency efficiency of the pumping unit.
In practical applications, there are multiple indexs for the efficiency of evaluating pumping oil machine, for example, pumping unit load utilizes
Rate, net torque utilization rate, pumping-unit motor power utilization, pumping unit stroke utilization rate, balance of well pumping unit rate and inspection pump
The indexs such as period.The present invention can be using at least one of above-mentioned multiple indexs index come the efficiency of evaluating pumping oil machine, with reality
Now to the comprehensively and accurately evaluation of efficiency of the pumping unit.
In embodiments of the present invention, in order to evaluate a certain pumping unit using at least one of above-mentioned multiple indexs index
The efficiency of (that is to say target pumping unit) can utilize at least one of following multiple parameters calculation formula parameter calculation formula
The corresponding parameter value of corresponding index of target pumping unit is calculated, multiple parameter calculation formula can include：
Wherein, in (1) formula, T be the corresponding parameter value of pumping unit load utilization rate, TsMaximum when being run for pumping unit
Load, TmRated load for pumping unit.
In (2) formula, M be the corresponding parameter value of net torque utilization rate, MsPeak torque when being run for pumping unit,
MmNominal torque for pumping unit.
In (3) formula, P be the corresponding parameter value of pumping-unit motor power utilization, PsMotor when being run for pumping unit
Power, PmRated power for pumping-unit motor.
In (4) formula, S be the corresponding parameter value of pumping unit stroke utilization rate, SsStroke when being run for pumping unit, SmFor
The maximum stroke of pumping unit.
In (5) formula, B be the corresponding parameter value of balance of well pumping unit rate, I1The maximum current of motor during for pumping unit downlink
Value, I2The maximum current value of motor during for pumping unit uplink.
In addition, for pump detection period this index, the embodiment of the present invention can also pass through the production of target pumping unit
Data obtain.Wherein, pump detection period refers to the time being separated by between the adjacent pump detection and workover twice of target pumping unit, unit
Generally " my god ", pump detection and workover refers to checking the operating mode of each component of pumping unit, excludes pumping unit operation troubles, adjustment pumping unit
The operation of manufacturing parameter etc..
It is target pumping unit corresponding parameter value of each index in above-mentioned multiple indexs as shown in table 1.Such as 1 institute of table
Show, the corresponding parameter value of this index of the pumping unit load utilization rate of target pumping unit is 79.2%, net torque utilization rate
The corresponding parameter value of this index is 86%.
Table 1
Target pumping unit shown in the table 1 corresponding parameter value of each index in multiple indexs is only exemplary,
It can not limit the present invention.
Step 202 obtains the score that each index is shared in efficiency of the pumping unit evaluates total score in above-mentioned multiple indexs.
As described above, can have multiple indexs in practical applications for evaluating the efficiency of pumping unit, however, this
The importance that multiple indexs evaluate efficiency of the pumping unit but and differs, and that is to say, some indexs comment efficiency of the pumping unit
Valency is more important, and directive significance is higher, and some indexs are relatively low to the evaluation importance of efficiency of the pumping unit, directive significance
It is not high.
Therefore, in embodiments of the present invention, in order to more accurately evaluate the efficiency of pumping unit, above-mentioned multiple fingers
Score of each index shared by efficiency of the pumping unit evaluates total score in mark can evaluate efficiency of the pumping unit according to it important
The difference of property and it is different.In this way, more important index institute in efficiency of the pumping unit evaluates total score is evaluated for efficiency of the pumping unit
The score accounted for is higher, if target pumping unit shows well in these indexs, the efficiency of the pumping unit being finally calculated is commented
Valency score may also be higher, if target pumping unit shows poor, to be finally calculated pumping unit effect in these indexs
Rate evaluation score may not also be high, so as to improve the accuracy evaluated efficiency of the pumping unit.
The score shared in efficiency of the pumping unit evaluates total score for each index in above-mentioned multiple indexs as shown in table 2.
As shown in table 2, this index of pumping unit load utilization rate score shared in efficiency of the pumping unit evaluates total score is 20 points of (oil pumping
Engine efficiency evaluation total score is 100 points), this index of net torque utilization rate point shared in efficiency of the pumping unit evaluates total score
Number is 20 points (efficiency of the pumping unit evaluation total score is 100 points).
Table 2
Each index score shared in efficiency of the pumping unit evaluates total score is only to show in multiple indexs shown in table 2
Example property, the present invention can not be limited.
It should be noted that each index score shared in efficiency of the pumping unit evaluates total score in above-mentioned multiple indexs
Can be by technical staff according to settings such as historical experiences, the present invention is not specifically limited this.
Step 203, the corresponding weight coefficient of the value that gets parms.
As described above, in step 201, the embodiment of the present invention obtains each in multiple indexs of evaluating pumping oil engine efficiency
The corresponding parameter value of index, these parameter values are not of uniform size, and the size of parameter value can reflect the size of the efficiency of pumping unit.
For example, for pumping unit load utilization rate this index, the efficiency of the pumping unit of parameter value 80% is more than under square one
The efficiency of the pumping unit of parameter value 50%.
It therefore, can be to be obtained in obtaining step 201 in order to finally calculate the efficiency of the pumping unit evaluation score of target pumping unit
The corresponding weight coefficient of parameters value.
It is different indexs and the corresponding weight coefficient of different size of parameter value as shown in table 3.As shown in table 3, pumping unit
The corresponding weight coefficients of parameter value 75%-85% of this index of load utilization rate are 1, this index of net torque utilization rate
Parameter value be greater than or equal to 80% corresponding weight coefficient be 1.
Table 3
The corresponding weight coefficient of parameter value shown in table 3 is only exemplary, and can not limit the present invention.
It should be noted that the corresponding weight coefficient of above-mentioned parameter value can be set by technical staff according to historical experience etc.
Fixed, the present invention is not specifically limited this.
Step 204, according to evaluation score calculation formula, based on weight coefficient and score, determine the oil pumping of target pumping unit
Engine efficiency evaluation score.
Wherein, evaluation score calculation formula is：
N=∑ n δ；
Wherein, N is efficiency of the pumping unit evaluation score, and n is the corresponding index of parameter value in efficiency of the pumping unit evaluates total score
Shared score, δ are the corresponding weight coefficient of parameter value.
For example, as shown in table 1, the corresponding parameter value of this index of the pumping unit load utilization rate of target pumping unit is
79.2%, the corresponding parameter value of this index of net torque utilization rate be 86%, pumping-unit motor power utilization this refer to
It is 22% to mark corresponding parameter value, and the corresponding parameter value of this index of pumping unit stroke utilization rate is 94%, balance of well pumping unit rate
The corresponding parameter value of this index is 98%, and the corresponding parameter value of this index of pump detection period is 883 days.As shown in table 3, parameter
79.2% corresponding weight coefficient of value is 1, and 86% corresponding weight coefficient of parameter value is 1,22% corresponding weight system of parameter value
Number is 0.1, and 94% corresponding weight coefficient of parameter value is 0.7, and 98% corresponding weight coefficient of parameter value is 1, parameter value 883 days
Corresponding weight coefficient is 0.7.
As shown in table 2, this index of pumping unit load utilization rate score shared in efficiency of the pumping unit evaluates total score is
20 points, this index of net torque utilization rate score shared in efficiency of the pumping unit evaluates total score is 20 points, and oil pumping is electromechanical
It is 15 points that this index of acc power utilization rate evaluates score shared in total score in efficiency of the pumping unit, pumping unit stroke utilization rate this
One index score shared in efficiency of the pumping unit evaluates total score is 20 points, this index of balance of well pumping unit rate is in efficiency of the pumping unit
It is 15 points to evaluate score shared in total score, this index of pump detection period score shared in efficiency of the pumping unit evaluates total score is
10 points.
The efficiency of the pumping unit evaluation score for the target pumping unit being then calculated according to evaluation score calculation formula is：
N=1 × 20+1 × 20+0.1 × 15+0.7 × 20+1 × 15+0.7 × 10=77.5
Then technical staff can utilize the efficiency of the pumping unit evaluation score of the target pumping unit to the efficiency of target pumping unit
It is evaluated.
In conclusion efficiency of the pumping unit evaluation method provided in an embodiment of the present invention, by for target pumping unit, obtaining
Each corresponding parameter value of index in multiple indexs of its evaluating pumping oil engine efficiency, and target pumping unit is determined according to the parameter value
Efficiency of the pumping unit evaluation score, with using the efficiency of the pumping unit evaluation score evaluation target pumping unit efficiency, so as to
It evaluates the efficiency of target pumping unit jointly using many indexes, ensure that the comprehensive and accuracy of efficiency of the pumping unit evaluation.
It please refers to Fig.3, it illustrates the block diagrams of efficiency of the pumping unit evaluating apparatus 300 provided by one embodiment of the present invention.
As shown in figure 3, the efficiency of the pumping unit evaluating apparatus 300 includes acquisition module 301 and determining module 302.
The acquisition module 301, for for target pumping unit, obtaining and each referring in multiple indexs of evaluating pumping oil engine efficiency
Mark corresponding parameter value.
The acquisition module 301 is additionally operable to obtain each index institute in efficiency of the pumping unit evaluates total score in multiple index
The score accounted for.
The acquisition module 301 is additionally operable to obtain the corresponding weight coefficient of the parameter value.
The determining module 302 for being based on the weight coefficient and the score, determines the efficiency of the pumping unit of the target pumping unit
Evaluation score.
In one embodiment of the invention, multiple index includes pumping unit load utilization rate, net torque utilizes
At least one of rate, pumping-unit motor power utilization, pumping unit stroke utilization rate, balance of well pumping unit rate and pump detection period.
In one embodiment of the invention, the acquisition module 301, is used for：
For the target pumping unit, determine that this is commented using at least one of multiple parameters calculation formula parameter calculation formula
Each corresponding parameter value of index in multiple indexs of valency efficiency of the pumping unit；Multiple parameter calculation formula includes：
Wherein, T is the corresponding parameter value of pumping unit load utilization rate, and M is the corresponding parameter value of net torque utilization rate,
P is the corresponding parameter value of pumping-unit motor power utilization, and S is the corresponding parameter value of pumping unit stroke utilization rate, and B is pumping unit
The corresponding parameter value of balanced ratio, TsMaximum load when being run for pumping unit, TmFor the rated load of pumping unit, MsFor pumping unit
Peak torque during operation, MmFor the nominal torque of pumping unit, PsPower of motor when being run for pumping unit, PmIt is electromechanical for oil pumping
The rated power of machine, SsStroke when being run for pumping unit, SmFor the maximum stroke of pumping unit, I1Motor during for pumping unit downlink
Maximum current value, I2The maximum current value of motor during for pumping unit uplink.
In one embodiment of the invention, the determining module 302, is used for：
According to evaluation score calculation formula, based on the weight coefficient and the score, the pumping unit of the target pumping unit is determined
Efficiency rating score；The evaluation score calculation formula is：
N=∑ n δ；
Wherein, N is the efficiency of the pumping unit evaluation score, and n is total in efficiency of the pumping unit evaluation for the corresponding index of the parameter value
Shared score in point, δ are the corresponding weight coefficient of the parameter value.
In conclusion efficiency of the pumping unit evaluating apparatus provided in an embodiment of the present invention, by for target pumping unit, obtaining
Each corresponding parameter value of index in multiple indexs of its evaluating pumping oil engine efficiency, and target pumping unit is determined according to the parameter value
Efficiency of the pumping unit evaluation score, with using the efficiency of the pumping unit evaluation score evaluation target pumping unit efficiency, so as to
It evaluates the efficiency of target pumping unit jointly using many indexes, ensure that the comprehensive and accuracy of efficiency of the pumping unit evaluation.
It should be noted that：The efficiency of the pumping unit evaluating apparatus that above-described embodiment provides is carrying out efficiency of the pumping unit evaluation
When, only with the division progress of above-mentioned each function module for example, in practical application, above-mentioned function can be divided as needed
With by different function module completions, i.e., the internal structure of device is divided into different function modules, to complete above description
All or part of function.In addition, the efficiency of the pumping unit evaluating apparatus of above-described embodiment offer and efficiency of the pumping unit evaluation side
Method embodiment belongs to same design, and specific implementation process refers to embodiment of the method, and which is not described herein again.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of efficiency of the pumping unit evaluation method, which is characterized in that the method includes：
For target pumping unit, the corresponding parameter value of each index in multiple indexs of evaluating pumping oil engine efficiency is obtained；
Obtain the score that each index is shared in efficiency of the pumping unit evaluates total score in the multiple index；
Obtain the corresponding weight coefficient of the parameter value；
Based on the weight coefficient and the score, the efficiency of the pumping unit evaluation score of the target pumping unit is determined.
2. according to the method described in claim 1, it is characterized in that, the multiple index includes pumping unit load utilization rate, takes out
In oil machine torque utilization, pumping-unit motor power utilization, pumping unit stroke utilization rate, balance of well pumping unit rate and pump detection period
It is at least one.
It is 3. according to the method described in claim 1, it is characterized in that, described for target pumping unit, acquisition evaluating pumping oil machine effect
Each corresponding parameter value of index in multiple indexs of rate, including：
For the target pumping unit, institute's commentary is determined using at least one of multiple parameters calculation formula parameter calculation formula
Each corresponding parameter value of index in multiple indexs of valency efficiency of the pumping unit；The multiple parameter calculation formula includes：
Wherein, T is the corresponding parameter value of pumping unit load utilization rate, and M is the corresponding parameter value of net torque utilization rate, and P is
The corresponding parameter value of pumping-unit motor power utilization, S are the corresponding parameter value of pumping unit stroke utilization rate, and B is put down for pumping unit
The corresponding parameter value of weighing apparatus rate, TsMaximum load when being run for pumping unit, TmFor the rated load of pumping unit, MsIt is transported for pumping unit
Peak torque during row, MmFor the nominal torque of pumping unit, PsPower of motor when being run for pumping unit, PmFor pumping-unit motor
Rated power, SsStroke when being run for pumping unit, SmFor the maximum stroke of pumping unit, I1Motor during for pumping unit downlink
Maximum current value, I2The maximum current value of motor during for pumping unit uplink.
4. according to the method described in claim 1, it is characterized in that, described based on the weight coefficient and the score, determine
The efficiency of the pumping unit evaluation score of the target pumping unit, including：
According to evaluation score calculation formula, based on the weight coefficient and the score, the oil pumping of the target pumping unit is determined
Engine efficiency evaluation score；The evaluation score calculation formula is：
N=∑ n δ；
Wherein, N is the efficiency of the pumping unit evaluation score, and n is total in efficiency of the pumping unit evaluation for the corresponding index of the parameter value
Shared score in point, δ are the corresponding weight coefficient of the parameter value.
5. a kind of efficiency of the pumping unit evaluating apparatus, which is characterized in that described device includes：
Acquisition module, for for target pumping unit, it is corresponding to obtain each index in multiple indexs of evaluating pumping oil engine efficiency
Parameter value；
It is shared in efficiency of the pumping unit evaluates total score to be additionally operable to obtain each index in the multiple index for the acquisition module
Score；
The acquisition module is additionally operable to obtain the corresponding weight coefficient of the parameter value；
Determining module for being based on the weight coefficient and the score, determines that the efficiency of the pumping unit of the target pumping unit is commented
Valency score.
6. device according to claim 5, which is characterized in that the multiple index includes pumping unit load utilization rate, takes out
In oil machine torque utilization, pumping-unit motor power utilization, pumping unit stroke utilization rate, balance of well pumping unit rate and pump detection period
It is at least one.
7. device according to claim 5, which is characterized in that the acquisition module is used for：
For the target pumping unit, institute's commentary is determined using at least one of multiple parameters calculation formula parameter calculation formula
Each corresponding parameter value of index in multiple indexs of valency efficiency of the pumping unit；The multiple parameter calculation formula includes：
Wherein, T is the corresponding parameter value of pumping unit load utilization rate, and M is the corresponding parameter value of net torque utilization rate, and P is
The corresponding parameter value of pumping-unit motor power utilization, S are the corresponding parameter value of pumping unit stroke utilization rate, and B is put down for pumping unit
The corresponding parameter value of weighing apparatus rate, TsMaximum load when being run for pumping unit, TmFor the rated load of pumping unit, MsIt is transported for pumping unit
Peak torque during row, MmFor the nominal torque of pumping unit, PsPower of motor when being run for pumping unit, PmFor pumping-unit motor
Rated power, SsStroke when being run for pumping unit, SmFor the maximum stroke of pumping unit, I1Motor during for pumping unit downlink
Maximum current value, I2The maximum current value of motor during for pumping unit uplink.
8. device according to claim 5, which is characterized in that the determining module is used for：
According to evaluation score calculation formula, based on the weight coefficient and the score, the oil pumping of the target pumping unit is determined
Engine efficiency evaluation score；The evaluation score calculation formula is：
N=∑ n δ；
Wherein, N is the efficiency of the pumping unit evaluation score, and n is total in efficiency of the pumping unit evaluation for the corresponding index of the parameter value
Shared score in point, δ are the corresponding weight coefficient of the parameter value.
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| CN201611107430.9A CN108153925A (en) | 2016-12-06 | 2016-12-06 | Method and device for evaluating efficiency of oil pumping unit |
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| CN113622880B (en) * | 2021-07-28 | 2022-07-22 | 陕西埃菲克能源科技有限公司 | Non-stop interval pumping method based on frequency conversion technology |
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