CN109684652A - A kind of acquisition methods and server of the corrosion default reliable value of oil-gas pipeline - Google Patents
A kind of acquisition methods and server of the corrosion default reliable value of oil-gas pipeline Download PDFInfo
- Publication number
- CN109684652A CN109684652A CN201710974089.5A CN201710974089A CN109684652A CN 109684652 A CN109684652 A CN 109684652A CN 201710974089 A CN201710974089 A CN 201710974089A CN 109684652 A CN109684652 A CN 109684652A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas pipeline
- corrosion default
- value
- corrosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 326
- 238000005260 corrosion Methods 0.000 title claims abstract description 326
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000009826 distribution Methods 0.000 claims abstract description 91
- 238000012937 correction Methods 0.000 claims abstract description 90
- 230000007547 defect Effects 0.000 claims abstract description 19
- 230000006870 function Effects 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 230000001052 transient effect Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 230000002950 deficient Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000342 Monte Carlo simulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Forestry; Mining
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/08—Probabilistic or stochastic CAD
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/14—Pipes
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Economics (AREA)
- General Physics & Mathematics (AREA)
- Strategic Management (AREA)
- Tourism & Hospitality (AREA)
- Entrepreneurship & Innovation (AREA)
- Marketing (AREA)
- General Business, Economics & Management (AREA)
- Game Theory and Decision Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Operations Research (AREA)
- Educational Administration (AREA)
- Development Economics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Agronomy & Crop Science (AREA)
- Animal Husbandry (AREA)
- Marine Sciences & Fisheries (AREA)
- Mining & Mineral Resources (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Pipeline Systems (AREA)
Abstract
The present invention discloses the acquisition methods and server of a kind of corrosion default reliable value of oil-gas pipeline.Wherein, which comprises obtain the corrosion default value and its distribution characteristics of oil-gas pipeline；Obtain the corrosion default correction value and its distribution characteristics of the oil-gas pipeline；According to the function of state of the corrosion default of the corrosion default value and its distribution characteristics, the distribution characteristics of the corrosion default correction value and the corrosion default correction value and the preset oil-gas pipeline, the calculating reliability of the oil-gas pipeline is obtained；It is described to calculate the corrosion default reliable value that the corresponding corrosion default value of reliability is the oil-gas pipeline if judgement knows that the calculating reliability is equal with target reliability；Wherein, target reliability is preset.The server is for executing the above method.The acquisition methods and server of the corrosion default reliable value of oil-gas pipeline provided by the invention improve the accuracy of the determining maximum acceptable depth of oil-gas pipeline corrosion defect.
Description
Technical field
The present invention relates to detection technique fields, and in particular to a kind of acquisition methods of the corrosion default reliable value of oil-gas pipeline
And server.
Background technique
In order to guarantee the safe operation of oil-gas pipeline, need periodically to detect oil-gas pipeline, it is right according to testing result
There are the oil-gas pipelines of security risk to repair.
Currently, oil-gas pipeline industry generally reaches pipeline wall thickness 80% as pre- anti-leak and corrosion default using corrosion depth
The maximum acceptable depth value of maintenance decision, and usually based on the detection data of internal detector.In fact, since oil gas is let out
Leakage causes a serious accident possibly into confined space or causes Heavy environmental pollution, different oil gas into environmentally sensitive areas
The pipeline section of pipeline is different for the sensitivity of oil and gas leakage, and sensitivity is also different under the conditions of different pumped (conveying) mediums.This
Outside, longer due to detecting duty cycle in oil-gas pipeline, and enterprise carries out send up to the higher level for approval before pipeline maintenance etc. one
Serial formality waits all processes to repair decision according still further to interior detection data after the completion, and often pipeline enterprise obtains testing number
It was reported that when be even more than 1 year with the internal detector detection pipeline time phase difference several months, detection data there are apparent hysteresis quality,
It cannot reflect the virtual condition of oil-gas pipeline in time, it is clear that there is a certain security risk for meeting.
Therefore, how to propose a kind of method, can be improved the standard of the determining maximum acceptable depth of oil-gas pipeline corrosion defect
True property becomes industry important topic urgently to be resolved.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of acquisition methods of the corrosion default reliable value of oil-gas pipeline
And server.
On the one hand, the present invention proposes a kind of acquisition methods of the corrosion default reliable value of oil-gas pipeline, comprising:
Receive the corrosion default value of oil-gas pipeline and the distribution characteristics of the corrosion default value；
Obtain the corrosion default correction value of the oil-gas pipeline and the distribution characteristics of the corrosion default correction value；
According to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion default correction value and described
The function of state of the corrosion default of the distribution characteristics of corrosion default correction value and the preset oil-gas pipeline, obtains the oil gas
The calculating reliability of pipeline；
If judgement knows that the calculating reliability is equal with target reliability, the corresponding corruption of the calculating reliability
Lose the corrosion default reliable value that defective value is the oil-gas pipeline；Wherein, the target reliability is preset.
On the other hand, the present invention provides a kind of server, comprising:
Receiving unit, for receiving the corrosion default value of oil-gas pipeline and the distribution characteristics of the corrosion default value；
Acquiring unit, for obtaining the corrosion default correction value of the oil-gas pipeline and point of the corrosion default correction value
Cloth feature；
Obtaining unit, for being lacked according to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion
Fall into the state letter of the corrosion default of the distribution characteristics and preset oil-gas pipeline of correction value and the corrosion default correction value
Number, obtains the calculating reliability of the oil-gas pipeline；
Judging unit, if for judging to know that the calculating reliability is equal with target reliability, it is described to calculate reliably
Spending the corresponding corrosion default value is oil-gas pipeline corrosion defect reliable value；Wherein, the target reliability is preset.
In another aspect, the present invention provides a kind of electronic equipment, comprising: processor, memory and communication bus, in which:
The processor and the memory complete mutual communication by the communication bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
Order is able to carry out the various embodiments described above such as and provides the method for stand oil feed channel corrosion default reliable value really.
Another aspect, the present invention provide a kind of non-transient computer readable storage medium, and the non-transient computer is readable
Storage medium stores computer instruction, and the computer instruction makes the computer execute the determination provided such as the various embodiments described above
The method of oil-gas pipeline corrosion defect reliable value.
The acquisition methods and server of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to obtaining
The corrosion default value and its distribution characteristics of the oil-gas pipeline taken and the corrosion default correction value and its distribution characteristics of oil-gas pipeline, with
And the function of state of the corrosion default of preset oil-gas pipeline, the calculating reliability of oil-gas pipeline is obtained, it is reliable by that will calculate
Degree and target reliability compare, and obtain the corrosion default reliable value of oil-gas pipeline, improve determining oil-gas pipeline corrosion and lack
Fall into the accuracy of maximum acceptable depth.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the acquisition methods of the corrosion default reliable value of one embodiment of the invention oil-gas pipeline；
Fig. 2 is the structural schematic diagram of one embodiment of the invention server；
Fig. 3 is the entity structure schematic diagram of one embodiment of the invention electronic equipment.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Since the maintenance criterion in the prior art for the corrosion default of oil-gas pipeline is single, applicability is not strong, reliability
The deficiencies of not high and problem, the application is from reliability perspectives, not based on the oil-gas pipeline corrosion defective effect factor
Certainty and corrosion default development are uncertain, for above-mentioned problems of the prior art, propose a kind of oil-gas pipeline
The acquisition methods of corrosion default reliable value, the corrosion default of the corrosion default reliable value, that is, oil-gas pipeline is under certain condition
Maximum acceptable depth value improves the accuracy of the determining maximum acceptable depth of oil-gas pipeline corrosion defect, is enterprise to oil
The maintenance decision of the corrosion default of feed channel provides reliable basis.
Fig. 1 is the flow diagram of the acquisition methods of the corrosion default reliable value of one embodiment of the invention oil-gas pipeline, such as
Shown in Fig. 1, the acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, comprising:
The distribution characteristics of S101, the corrosion default value for obtaining oil-gas pipeline and the corrosion default value；
Specifically, the distribution characteristics of the corrosion default value of oil-gas pipeline and the corrosion default value is input into server
In, the server can obtain the corrosion default value of the oil-gas pipeline and the distribution characteristics of the corrosion default value.Wherein,
The corrosion default value of the oil-gas pipeline can rule of thumb be set, the table in the form of the oil-gas pipeline percentage thickness
Show, such as 85%.Since the corrosion default detection in practice to the oil-gas pipeline is realized using internal detector detection, institute
Stating internal detector itself has measurement error, and the corrosion default value is actually detected middle in the presence of uncertainty, such as the corruption
Losing defective value to obey mean value is d, and standard deviation is the normal distribution of 7.8%d, and above-mentioned normal distribution can be used as the corrosion default
The distribution characteristics of value.Wherein, the measurement error of described internal detector itself can be provided by producer or be obtained from specification,
It can be according to the history detection data of the internal detector, by being obtained after statistical analysis.
The distribution characteristics of S102, the corrosion default correction value for obtaining the oil-gas pipeline and the corrosion default correction value；
Specifically, it in the maximum acceptable depth of the corrosion default that determines the oil-gas pipeline, not only needs to consider described
The measurement error of internal detector, also by the uncertainty of the wall thickness of the oil-gas pipeline, corrosion of the soil to the oil-gas pipeline
Uncertainty, the influence of the factors such as uncertainty of maintenance decision time.It is described since steel pipe's production is different from manufacturing condition
The wall thickness of oil-gas pipeline be not it is duplicate, the wall thickness of the oil-gas pipeline is fluctuated in certain error range,
For example it is t that the wall thickness of the oil-gas pipeline, which obeys mean value, standard deviation is the normal distribution of 3%t；Along the oil-gas pipeline
Soil environment difference, the soil environment also has uncertainty to the corrosion rate of the oil-gas pipeline, can be by institute
The corrosion default growth rate that soil environment is regarded as the oil-gas pipeline to the corrosion rate of the oil-gas pipeline is stated, such as described
It is 0.17 that the corrosion default growth rate v of oil-gas pipeline, which obeys scale parameter, the Weibull distribution (Weibull that form parameter is 2
Distribution), the oil-gas pipeline corrosion default growth rate obey Weibull distribution can by test or
Historical data obtains；The oil-gas pipeline when detecting, testing result usually will not Real-time Feedback, need to wait certain scale
The statistics to need repairing is made whether after the completion of the oil-gas pipeline detection, and examining by enterprises is also needed after the completion of statistics
Repaired again after batch process, therefore, it is necessary to the oil-gas pipelines of maintenance be accomplished to from detection and repaired the regular hour between
Every the time interval is the corrosion potential growth time of the oil-gas pipeline, and the corrosion potential growth time also has not
Certainty can obtain the fluctuation range of the corrosion potential growth time according to historical data.Can according to the actual situation, to
The data of server input said one or several factors, the server is according to above-mentioned data, described in acquisition
The distribution characteristics of the corrosion default correction value of oil-gas pipeline and the corrosion default correction value.
For example, relating only to the wall thickness of the oil-gas pipeline in the corrosion default correction value for determining the oil-gas pipeline
Uncertainty, by the wall thickness t of the oil-gas pipeline, standard deviation 3%t is input in the server, and the server is according to wall
Thickness obtains the corrosion default correction value, and it is t that the wall thickness, which is obeyed mean value, standard deviation for 3%t normal distribution as institute
State the distribution characteristics of corrosion default correction value.
S103, according to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion default correction value
And the function of state of the corrosion default of the distribution characteristics and preset oil-gas pipeline of the corrosion default correction value, obtain institute
State the calculating reliability of oil-gas pipeline；
Specifically, the server is in the distribution characteristics that obtains the corrosion default value and the corrosion default value and described
After the distribution characteristics of corrosion default correction value and the corrosion default correction value, using monte carlo method, it can use
Matlab software generates the corrosion default value and the corrosion default correction value of preset quantity at random respectively, will be described default
The corrosion default value of quantity and the random corrosion default correction value are updated to the corruption of the preset oil-gas pipeline respectively
The function of state of erosion defect is solved, and the solution value of the preset quantity is obtained.The function of state of the corrosion default reacts
The state of the oil-gas pipeline, i.e., the described oil-gas pipeline are perforation leakages or work normally.If solution value indicates institute less than 0
It states oil-gas pipeline and is in normal operating conditions, otherwise in perforation leak condition.It unites to the solution value of the preset quantity
Meter, wherein being to calculate reliability less than the percentage that 0 number accounts for the entire preset quantity.Wherein, the preset quantity
It is configured according to actual needs, the embodiment of the present invention is without limitation.
For example, the function of state of the corrosion default is g=d+e-1, wherein g indicates that the corrosion of the oil-gas pipeline lacks
The state of falling into, d indicate that the corrosion default value and e indicate the corrosion default correction value, and d and e are indicated in the form of percentage.
The server uses monte carlo method, and using Matlab software respectively it is random generate 1000 corrosion default values and
1000 corrosion default values and the corrosion default correction value are brought into g=d+ by the corrosion default correction value respectively
In e-1,1000 are obtained as a result, if quantity in the result less than 0 is 800, the calculating of the oil-gas pipeline
Reliability is equal to 800/1000*100%=80%.
If S104, judgement know that the calculating reliability is equal with target reliability, the calculating reliability is corresponding
The corrosion default value is the corrosion default reliable value of the oil-gas pipeline；Wherein, the target reliability is preset.
Specifically, after obtaining the calculating reliability, the server is by the calculating reliability and target reliability
Degree is compared, corresponding with the calculating reliability if the calculating reliability is equal with the target reliability
The corrosion default value is the corrosion default reliable value of the oil-gas pipeline, i.e., the maximum of the corrosion default of the described oil-gas pipeline can
Receiving depth is the corrosion default value.Wherein, the target reliability can be in conjunction with topography and geomorphology along the oil-gas pipeline
It requires to be set with environmental conditions, pumped (conveying) medium characteristic, enterprise's pipe safety management such as humanities, the embodiment of the present invention does not limit
It is fixed.For example, can refer to external oil-gas pipeline corrosion evaluation criterion and combine the actual conditions of China, the target reliability is set
Degree.
For example, the case where intersecting for the oil-gas pipeline with ultra-high-tension power transmission line, if the oil-gas pipeline of infall
Dielectric leakage occurs, high-tension line once generates spark, and consequence will be hardly imaginable, therefore reliability of oil-gas pipeline is wanted at this
Ask high, for example, 1x10-6, then under the conditions of other given parameters, the corrosion default reliable value of the feed channel is met or exceeded
The corrosion default of 60% wall thickness is unacceptable, should maintenance process as early as possible；And for the oil-gas pipeline of plains region, it is situated between
The consequence of matter leakage is relatively small, and the reliability requirement is not very high, for example, 1x10-2, then under the conditions of other given parameters,
The corrosion default that the corrosion default reliable value of the feed channel meets or exceeds 80% wall thickness is unacceptable, should helpdesk as early as possible
Reason.
The acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to the oil gas of acquisition
The corrosion default value and its distribution characteristics of pipeline and the corrosion default correction value and its distribution characteristics of oil-gas pipeline and preset
The function of state of the corrosion default of oil-gas pipeline obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target
Reliability compares, and obtains the corrosion default reliable value of oil-gas pipeline, and improving determining oil-gas pipeline corrosion defect maximum can
Receive the accuracy of depth.
On the basis of the above embodiments, further, the corrosion default reliable value of oil-gas pipeline provided by the invention
Acquisition methods further include:
If judgement knows that the calculating reliability and the target reliability are unequal, the corrosion default value is updated,
In order to recalculate the calculating reliability of the oil-gas pipeline.
Specifically, after obtaining the calculating reliability, the server is by the calculating reliability and the target
Reliability is compared, if the calculating reliability and the target reliability are unequal, the server update institute
Corrosion default value is stated, step S103 is repeated, recalculates the calculating reliability of the oil-gas pipeline.
The acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to the oil gas of acquisition
The corrosion default value and its distribution characteristics of pipeline and the corrosion default correction value and its distribution characteristics of oil-gas pipeline and preset
The function of state of the corrosion default of oil-gas pipeline obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target
Reliability compares, and obtains the corrosion default reliable value of oil-gas pipeline, and improving determining oil-gas pipeline corrosion defect maximum can
Receive the accuracy of depth.
On the basis of the various embodiments described above, further, the corrosion default correction value for obtaining the oil-gas pipeline
Include:
The corrosion default correction value for obtaining the oil-gas pipeline is calculated according to the wall thickness of the oil-gas pipeline.
Specifically, the server obtains the wall thickness t of the oil-gas pipeline, and according to formula e=p0/ t is calculated and is obtained institute
State the corrosion default correction value e of the oil-gas pipeline, wherein p0For constant, can rule of thumb obtain.It will be appreciated that by
In the wall thickness t Normal Distribution, the normal distribution that the tube wall can be obeyed is as the corrosion default correction value
Distribution characteristics.
The acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to the oil gas of acquisition
The corrosion default value and its distribution characteristics of pipeline and the corrosion default correction value and its distribution characteristics of oil-gas pipeline and preset
The function of state of the corrosion default of oil-gas pipeline obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target
Reliability compares, and obtains the corrosion default reliable value of oil-gas pipeline, and improving determining oil-gas pipeline corrosion defect maximum can
Receive the accuracy of depth.And the specific acquisition methods of corrosion default correction value are provided, be conducive to be quickly obtained corrosion default and repair
Positive value.
On the basis of the various embodiments described above, further, the corrosion default correction value for obtaining the oil-gas pipeline
Include:
The corrosion default amendment for obtaining the oil-gas pipeline is calculated according to the corrosion potential growth time of the oil-gas pipeline
Value.
Specifically, the server obtains the corrosion potential growth time T of the oil-gas pipeline, and according to formula e=
p1T calculates the corrosion default correction value e for obtaining the oil-gas pipeline, wherein p1For constant, can rule of thumb obtain.
It will be appreciated that since there are fluctuation ranges by the corrosion potential growth time T of the oil-gas pipeline, it can be by the fluctuation range
Distribution characteristics as the corrosion default correction value.
The acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to the oil gas of acquisition
The corrosion default value and its distribution characteristics of pipeline and the corrosion default correction value and its distribution characteristics of oil-gas pipeline and preset
The function of state of the corrosion default of oil-gas pipeline obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target
Reliability compares, and obtains the corrosion default reliable value of oil-gas pipeline, and improving determining oil-gas pipeline corrosion defect maximum can
Receive the accuracy of depth.And the specific acquisition methods of corrosion default correction value are provided, be conducive to be quickly obtained corrosion default and repair
Positive value.
On the basis of the various embodiments described above, further, the corrosion default correction value for obtaining the oil-gas pipeline
Include:
The corrosion default amendment for obtaining the oil-gas pipeline is calculated according to the corrosion default growth rate of the oil-gas pipeline
Value.
Specifically, the server obtains the corrosion default growth rate v of the oil-gas pipeline, and according to formula e=
p2V calculates the corrosion default correction value e for obtaining the oil-gas pipeline, wherein p2For constant, can rule of thumb obtain.
It will be appreciated that the corrosion default growth rate v due to the oil-gas pipeline obeys Weibull distribution, the corrosion can be lacked
Fall into distribution characteristics of the Weibull distribution of growth rate obedience as the corrosion default correction value.
The acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to the oil gas of acquisition
The corrosion default value and its distribution characteristics of pipeline and the corrosion default correction value and its distribution characteristics of oil-gas pipeline and preset
The function of state of the corrosion default of oil-gas pipeline obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target
Reliability compares, and obtains the corrosion default reliable value of oil-gas pipeline, and improving determining oil-gas pipeline corrosion defect maximum can
Receive the accuracy of depth.And the specific acquisition methods of corrosion default correction value are provided, be conducive to be quickly obtained corrosion default and repair
Positive value.
In conclusion can learn that multiple factors can influence the corrosion default correction value of the oil-gas pipeline.
It is understood that the factor can be used in the acquisition of the corrosion default correction value of the oil-gas pipeline,
Multiple factors can also be used simultaneously, it is clear that the factor used is more, consideration it is also more comprehensive, acquisition it is described
Evaluation result can more rationally.The wall thickness of the oil-gas pipeline, the corrosion potential growth of the oil-gas pipeline are comprehensively considered below
The corrosion default growth rate of time and the oil-gas pipeline provides the embodiment for calculating the corrosion default correction value.
Assuming that the wall thickness of the oil-gas pipeline is t, obedience mean value is d, and standard deviation is the normal distribution of 7.8%d, the oil
The corrosion potential growth time of feed channel is T, and fluctuation range is 0.5-1, the corrosion default growth rate of the oil-gas pipeline
For v, obeying scale parameter is 0.17, the Weibull distribution that form parameter is 2.The server according to formula e=(v*T)/t,
It can calculate and obtain the corrosion default correction value e, and according to the normal distribution of the wall thickness t, when the corrosion potential growth
Between for the fluctuation range of T and the Weibull distribution of the corrosion default growth rate v, the distribution for obtaining the corrosion default value is special
Sign.
On the basis of the various embodiments described above, further, the shape of the corrosion default of the preset oil-gas pipeline
State function are as follows:
G=d+e-1, wherein g indicates the corrosion default state of the oil-gas pipeline, and d indicates the corrosion default value, e table
Show the corrosion default correction value.
Specifically, the server calculates according to the function of state of the corrosion default of the preset oil-gas pipeline and obtains institute
The state of the corrosion default of oil-gas pipeline is stated, the function of state of the corrosion default of the preset oil-gas pipeline is g=d+
E-1, wherein g indicates the corrosion default state of the oil-gas pipeline, and d indicates the corrosion default value, and e indicates that the corrosion lacks
Fall into correction value.When g is more than or equal to 0, indicate that the oil-gas pipeline is in perforation leak condition；When g is less than 0, described in expression
Oil-gas pipeline is in normal operating conditions.
For example, the server obtains corrosion default value d=75%, the corrosion default correction value e=30%, that
G=75%+30%-1=5% is greater than 0, indicates that the oil-gas pipeline is in perforation leak condition.
The acquisition methods of the corrosion default reliable value of oil-gas pipeline provided by the invention, due to can be according to the oil gas of acquisition
The corrosion default value and its distribution characteristics of pipeline and the corrosion default correction value and its distribution characteristics of oil-gas pipeline and preset
The function of state of the corrosion default of oil-gas pipeline obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target
Reliability compares, and obtains the corrosion default reliable value of oil-gas pipeline, and improving determining oil-gas pipeline corrosion defect maximum can
Receive the accuracy of depth.It can be convenient by the function of state of corrosion default and quickly show that the corrosion of the oil-gas pipeline lacks
The state of falling into.
Fig. 2 is the structural schematic diagram of one embodiment of the invention server, as shown in Fig. 2, server packet provided by the invention
Include first acquisition unit 201, second acquisition unit 202, obtaining unit 203 and judging unit 204, in which:
The distribution that first acquisition unit 201 is used to obtain the corrosion default value and the corrosion default value of oil-gas pipeline is special
Sign；Second acquisition unit 202 is used to obtain the corrosion default correction value and the corrosion default correction value of the oil-gas pipeline
Distribution characteristics；Obtaining unit 203 is used for according to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion
The state of the corrosion default of the distribution characteristics and the preset oil-gas pipeline of defect correction value and the corrosion default correction value
Function obtains the calculating reliability of the oil-gas pipeline；If judging unit 204 knows the calculating reliability and mesh for judging
It is equal to mark reliability, then the corresponding corrosion default value of the calculating reliability is oil-gas pipeline corrosion defect reliable value；Its
In, the target reliability is preset.
Specifically, the distribution characteristics of the corrosion default value of oil-gas pipeline and the corrosion default value is input into server
In, first acquisition unit 201 can obtain the corrosion default value of the oil-gas pipeline and the distribution characteristics of the corrosion default value.
Wherein, the corrosion default value of the oil-gas pipeline can rule of thumb be set, with the oil-gas pipeline percentage thickness
Form expression, such as 85%.Since the corrosion default detection in practice to the oil-gas pipeline is completed using internal detector,
Described internal detector itself has measurement error, and the corrosion default value has uncertainty, such as corrosion default value clothes
It is d from mean value, standard deviation is the normal distribution of 7.8%d, and the distribution that above-mentioned normal distribution can be used as the corrosion default value is special
Sign.Wherein, the measurement error of described internal detector itself can be provided by producer or be obtained from specification.
In the maximum acceptable depth of the corrosion default that determines the oil-gas pipeline, not only need to consider the internal detector
Measurement error, it is also contemplated that the uncertainty of the wall thickness of the oil-gas pipeline, soil is to the corrosion of the oil-gas pipeline
Uncertainty, the influence of the factors such as uncertainty of maintenance decision time.Due to steel pipe's production and manufacturing condition, the Oil/Gas Pipe
The wall thickness in road be not it is duplicate, the wall thickness of the oil-gas pipeline is fluctuated in certain error range, such as institute
It is t that the wall thickness for stating oil-gas pipeline, which obeys mean value, and standard deviation is the normal distribution of 3%t；Due to the soil along the oil-gas pipeline
The difference of environment, the soil environment also have uncertainty to the corrosion rate of the oil-gas pipeline, can be by the soil
Environment is regarded as the corrosion default growth rate of the oil-gas pipeline, such as the Oil/Gas Pipe to the corrosion rate of the oil-gas pipeline
It is 0.17 that the corrosion default growth rate v in road, which obeys scale parameter, the Weibull distribution that form parameter is 2, the oil-gas pipeline
Corrosion default growth rate obey Weibull distribution can pass through test or historical data obtain；The oil-gas pipeline
When detecting, testing result usually will not Real-time Feedback, need to wait certain scale the oil-gas pipeline detection complete it is laggard
The statistics whether row needs repairing, statistics repair again after also needing the approval process by enterprises after the completion, therefore,
The oil-gas pipeline to need repairing is accomplished to from detection has repaired certain time interval, which is the oil gas
The corrosion potential growth time of pipeline, the corrosion potential growth time also have uncertainty, can be obtained according to historical data
Obtain the fluctuation range of the corrosion potential growth time.Can according to the actual situation, Xiang Suoshu server input said one or
The data of the several factors of person, second acquisition unit 202 according to above-mentioned data, repair by the corrosion default for obtaining the oil-gas pipeline
The distribution characteristics of positive value and the corrosion default correction value.
Obtaining unit 203 is lacked in the distribution characteristics and the corrosion for obtaining the corrosion default value and the corrosion default value
It falls into after the distribution characteristics of correction value and the corrosion default correction value, using monte carlo method, it is soft to can use Matlab
Part generates the corrosion default value and the corrosion default correction value of preset quantity at random respectively, by the institute of the preset quantity
It states corrosion default value and the random corrosion default correction value is updated to the corrosion default of the preset oil-gas pipeline respectively
Function of state is solved, and the solution value of the preset quantity is obtained.The function of state of the corrosion default reacts the oil gas
The state of pipeline, i.e., the described oil-gas pipeline are perforation leakages or work normally.If solution value indicates the Oil/Gas Pipe less than 0
Road is in normal operating conditions, otherwise in perforation leak condition.The solution value of the preset quantity is counted, it is medium and small
In 0 number, to account for the percentage of the entire preset quantity be to calculate reliability.Wherein, the preset quantity is according to practical need
It is configured, the embodiment of the present invention is without limitation.
After obtaining the calculating reliability, judging unit 204 carries out the calculating reliability and target reliability
Compare, if the calculating reliability is equal with the target reliability, the corruption corresponding with the calculating reliability
Lose the corrosion default reliable value that defective value is the oil-gas pipeline, i.e., the maximum acceptable depth of the corrosion default of the described oil-gas pipeline
Degree is the corrosion default value.Wherein, the target reliability can be in conjunction with topography and geomorphology along the oil-gas pipeline and humanity
Etc. environmental conditions, pumped (conveying) medium characteristic, enterprise's pipe safety management require set, the embodiment of the present invention is without limitation.
Server provided by the invention, due to can be according to the corrosion default value and its distribution characteristics of the oil-gas pipeline of acquisition
With the state letter of the corrosion default of the corrosion default correction value and its distribution characteristics and preset oil-gas pipeline of oil-gas pipeline
Number, obtains the calculating reliability of oil-gas pipeline, by that will calculate reliability and target reliability compares, acquisition oil-gas pipeline
Corrosion default reliable value, improve the accuracy of the determining maximum acceptable depth of oil-gas pipeline corrosion defect.
On the basis of the above embodiments, further, judging unit 204 is also used to:
If judgement knows that the calculating reliability and the target reliability are unequal, the corrosion default value is updated,
In order to recalculate the calculating reliability of the oil-gas pipeline.
Specifically, after obtaining the calculating reliability, judging unit 204 is by the calculating reliability and target reliability
Degree is compared, if the calculating reliability and the target reliability are unequal, judging unit 204 updates the corrosion and lacks
Value is fallen into, obtaining unit 203 recalculates the calculating reliability of the oil-gas pipeline.
The embodiment of server provided by the invention specifically can be used for executing the process flow of above-mentioned each method embodiment,
Details are not described herein for its function, is referred to the detailed description of above method embodiment.
Fig. 3 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention, as shown in figure 3, the electronics is set
Standby includes processor (processor) 301, memory (memory) 302 and communication bus 303；
Wherein, processor 301, memory 302 complete mutual communication by communication bus 303；
Processor 301 is used to call the program instruction in memory 302, to execute provided by above-mentioned each method embodiment
Method, for example, obtain the corrosion default value of oil-gas pipeline and the distribution characteristics of the corrosion default value；Obtain the oil gas
The distribution characteristics of the corrosion default correction value of pipeline and the corrosion default correction value；According to the corrosion default value and the corruption
Lose distribution characteristics, the distribution characteristics of the corrosion default correction value and the corrosion default correction value and the preset institute of defective value
The function of state for stating the corrosion default of oil-gas pipeline obtains the calculating reliability of the oil-gas pipeline；If the meter is known in judgement
Calculation reliability is equal with target reliability, then the corresponding corrosion default value of reliability that calculates is the oil-gas pipeline
Corrosion default reliable value；Wherein, the target reliability is preset.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, obtains the corruption of oil-gas pipeline
Lose the distribution characteristics of defective value and the corrosion default value；Obtain the corrosion default correction value and the corrosion of the oil-gas pipeline
The distribution characteristics of defect correction value；It is lacked according to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion
Fall into the state letter of the corrosion default of the distribution characteristics and preset oil-gas pipeline of correction value and the corrosion default correction value
Number, obtains the calculating reliability of the oil-gas pipeline；If judgement knows that the calculating reliability is equal with target reliability, institute
State the corrosion default reliable value for calculating that the corresponding corrosion default value of reliability is the oil-gas pipeline；Wherein, the target
Reliability is preset.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
It such as include: the distribution characteristics of the corrosion default value and the corrosion default value that obtain oil-gas pipeline；Obtain the oil-gas pipeline
The distribution characteristics of corrosion default correction value and the corrosion default correction value；According to the corrosion default value and the corrosion default
The distribution characteristics of value, the distribution characteristics of the corrosion default correction value and the corrosion default correction value and the preset oil gas
The function of state of the corrosion default of pipeline obtains the calculating reliability of the oil-gas pipeline；If described calculate reliably is known in judgement
Degree is equal with target reliability, then the corresponding corrosion default value of reliability that calculates lacks for the corrosion of the oil-gas pipeline
Fall into reliable value；Wherein, the target reliability is preset.
In addition, the logical order in above-mentioned memory 302 can be realized by way of SFU software functional unit and conduct
Independent product when selling or using, can store in a computer readable storage medium.Based on this understanding, originally
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for the technical solution of invention
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that a computer equipment (can be personal computer, device or the network equipment etc.) executes each embodiment of the present invention
The all or part of the steps of the method.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. it is various
It can store the medium of program code.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of acquisition methods of the corrosion default reliable value of oil-gas pipeline characterized by comprising
Obtain the corrosion default value of oil-gas pipeline and the distribution characteristics of the corrosion default value；
Obtain the corrosion default correction value of the oil-gas pipeline and the distribution characteristics of the corrosion default correction value；
According to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion default correction value and the corrosion
The function of state of the corrosion default of the distribution characteristics of defect correction value and the preset oil-gas pipeline, obtains the oil-gas pipeline
Calculating reliability；
If judgement knows that the calculatings reliability is equal with target reliability, the calculating reliability it is corresponding it is described corrode it is scarce
Fall into the corrosion default reliable value that value is the oil-gas pipeline；Wherein, the target reliability is preset.
2. the method according to claim 1, wherein further include:
If judgement knows that the calculating reliability and the target reliability are unequal, the corrosion default value is updated, so as to
In the calculating reliability for recalculating the oil-gas pipeline.
3. the method according to claim 1, wherein the corrosion default correction value for obtaining the oil-gas pipeline
Include:
The corrosion default correction value for obtaining the oil-gas pipeline is calculated according to the wall thickness of the oil-gas pipeline.
4. the method according to claim 1, wherein the corrosion default correction value for obtaining the oil-gas pipeline
Include:
The corrosion default correction value for obtaining the oil-gas pipeline is calculated according to the corrosion potential growth time of the oil-gas pipeline.
5. the method according to claim 1, wherein the corrosion default correction value for obtaining the oil-gas pipeline
Include:
The corrosion default correction value for obtaining the oil-gas pipeline is calculated according to the corrosion default growth rate of the oil-gas pipeline.
6. method according to any one of claims 1 to 5, which is characterized in that the corruption of the preset oil-gas pipeline
Lose the function of state of defect are as follows:
G=d+e-1, wherein g indicates the corrosion default state of the oil-gas pipeline, and d indicates the corrosion default value, and e indicates institute
State corrosion default correction value.
7. a kind of server characterized by comprising
First acquisition unit, for obtaining the corrosion default value of oil-gas pipeline and the distribution characteristics of the corrosion default value；
Second acquisition unit, for obtaining the corrosion default correction value of the oil-gas pipeline and point of the corrosion default correction value
Cloth feature；
Obtaining unit, for being repaired according to the distribution characteristics of the corrosion default value and the corrosion default value, the corrosion default
The function of state of the corrosion default of the distribution characteristics and preset oil-gas pipeline of positive value and the corrosion default correction value, is obtained
Obtain the calculating reliability of the oil-gas pipeline；
Judging unit, if for judging to know that the calculating reliability is equal with target reliability, the calculating reliability pair
The corrosion default value answered is the corrosion default reliable value of the oil-gas pipeline；Wherein, the target reliability is preset.
8. server according to claim 7, which is characterized in that the judging unit is also used to:
If judgement knows that the calculating reliability and the target reliability are unequal, the corrosion default value is updated, so as to
In the calculating reliability for recalculating the oil-gas pipeline.
9. a kind of electronic equipment characterized by comprising processor, memory and communication bus, in which:
The processor and the memory complete mutual communication by the communication bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
It is enough to execute such as method as claimed in any one of claims 1 to 6.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute such as method as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974089.5A CN109684652B (en) | 2017-10-19 | 2017-10-19 | Method for acquiring corrosion defect reliable value of oil and gas pipeline and server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974089.5A CN109684652B (en) | 2017-10-19 | 2017-10-19 | Method for acquiring corrosion defect reliable value of oil and gas pipeline and server |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109684652A true CN109684652A (en) | 2019-04-26 |
| CN109684652B CN109684652B (en) | 2021-08-31 |
Family
ID=66184047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710974089.5A Active CN109684652B (en) | 2017-10-19 | 2017-10-19 | Method for acquiring corrosion defect reliable value of oil and gas pipeline and server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109684652B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115797877A (en) * | 2023-02-13 | 2023-03-14 | 山东鸿德电力科技有限公司 | Intelligent monitoring method, system and medium for power transmission equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305352A (en) * | 2011-05-31 | 2012-01-04 | 西南石油大学 | Online monitoring system for corrosion state of oil and gas pipelines and method thereof |
| CN102798539A (en) * | 2012-08-09 | 2012-11-28 | 南京工业大学 | Method for evaluating failure possibility in quantitative risk analysis of pressure-bearing equipment |
| CN103984845A (en) * | 2014-03-26 | 2014-08-13 | 中国石油天然气集团公司 | Method and system for calculating gas pipeline completeness evaluation period |
| CN105302946A (en) * | 2015-10-13 | 2016-02-03 | 中国石油天然气股份有限公司 | Method and apparatus for determining reliability of corrosive pipeline |
| RU2578243C1 (en) * | 2015-03-30 | 2016-03-27 | Николай Николаевич Петров | Method of diagnosing latent corrosive defect under coating |
-
2017
- 2017-10-19 CN CN201710974089.5A patent/CN109684652B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305352A (en) * | 2011-05-31 | 2012-01-04 | 西南石油大学 | Online monitoring system for corrosion state of oil and gas pipelines and method thereof |
| CN102798539A (en) * | 2012-08-09 | 2012-11-28 | 南京工业大学 | Method for evaluating failure possibility in quantitative risk analysis of pressure-bearing equipment |
| CN103984845A (en) * | 2014-03-26 | 2014-08-13 | 中国石油天然气集团公司 | Method and system for calculating gas pipeline completeness evaluation period |
| RU2578243C1 (en) * | 2015-03-30 | 2016-03-27 | Николай Николаевич Петров | Method of diagnosing latent corrosive defect under coating |
| CN105302946A (en) * | 2015-10-13 | 2016-02-03 | 中国石油天然气股份有限公司 | Method and apparatus for determining reliability of corrosive pipeline |
Non-Patent Citations (2)
| Title |
|---|
| 曹乃宁: "油气输送腐蚀管道剩余寿命预测研究", 《中国优秀硕士学位论文全文数据库》 * |
| 杨静 等: "某输气管道基于内检测的腐蚀评价与维修决策", 《当代化工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115797877A (en) * | 2023-02-13 | 2023-03-14 | 山东鸿德电力科技有限公司 | Intelligent monitoring method, system and medium for power transmission equipment |
| CN115797877B (en) * | 2023-02-13 | 2023-05-05 | 山东鸿德电力科技有限公司 | Intelligent monitoring method, system and medium for power transmission equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109684652B (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108089962A (en) | A kind of method for detecting abnormality, device and electronic equipment | |
| CN111324639A (en) | Data monitoring method and device and computer readable storage medium | |
| CN110334816B (en) | Industrial equipment detection method, device, equipment and readable storage medium | |
| CN103149475A (en) | Method and system for fault diagnosis of electrical equipment | |
| CN105448359A (en) | System and method for monitoring fatigue of nuclear power plant | |
| CN108345707A (en) | The pipeline corrosion default plan response time based on probability determines method and device | |
| WO2021043832A1 (en) | Inspection related systems and methods | |
| CN113721182B (en) | Method and system for evaluating reliability of online performance monitoring result of power transformer | |
| CN109684652A (en) | A kind of acquisition methods and server of the corrosion default reliable value of oil-gas pipeline | |
| CN114089255A (en) | Stability evaluation method for capacitor voltage transformer | |
| CN111563626B (en) | Power system prediction auxiliary state estimation method and system | |
| CN111159837A (en) | Oil-gas pipeline body defect alignment method and device | |
| CN110672951B (en) | Method and device for identifying voltage fragile region of power distribution network | |
| CN110083933B (en) | Bayesian degradation analysis method for corrosion pipeline considering random effect | |
| CN110259435B (en) | Well condition change identification method based on oil pumping unit electrical parameters | |
| Milazzoa et al. | Ageing assessment and management at major-hazard industries | |
| Shakhmatov et al. | Safety evaluation of pipelines based on probabilistic approaches | |
| CN111666673A (en) | Method and device for monitoring service life of boiler superheater, storage medium and equipment | |
| CN110597703A (en) | Regression testing method and device | |
| CN111199089A (en) | Method and device for analyzing reliability and sensitivity of pipeline circumferential weld | |
| CN115858403B (en) | False alarm rate prediction method of electronic system | |
| Milazzo et al. | Estimation of the Equipment Residual Lifetime in Major Hazard Industries by Using a Virtual Sensor | |
| Adianto et al. | The benefits of accurate ili performance on pipeline integrity programs for axial crack and metal loss corrosion threats | |
| CN108038279B (en) | Method and device for evaluating electromechanical transient recovery process of fan under asymmetric power grid fault | |
| CN108647717A (en) | A kind of transformer fault rate computational methods considering temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231009 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |
|
| TR01 | Transfer of patent right |