CN115146966A - Online diagnosis and analysis method, equipment and storage medium for energy transmission pipe network fault - Google Patents

Online diagnosis and analysis method, equipment and storage medium for energy transmission pipe network fault Download PDF

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CN115146966A
CN115146966A CN202210786733.7A CN202210786733A CN115146966A CN 115146966 A CN115146966 A CN 115146966A CN 202210786733 A CN202210786733 A CN 202210786733A CN 115146966 A CN115146966 A CN 115146966A
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姚涛
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Chengdu Qimaoda Electric Equipment Co ltd
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Abstract

The invention discloses an on-line diagnosis and analysis method, equipment and a storage medium for network faults of an energy delivery pipe. The online diagnosis and analysis method for the network fault of the energy transmission pipe comprises the following steps: acquiring initial laying information corresponding to a seabed oil pipeline in a designated sea area; dividing a submarine oil pipeline into oil pipeline sections; monitoring and evaluating damage information, stability information, conveying state information and leakage states corresponding to each oil conveying pipeline section at present; comprehensively judging and analyzing the corresponding faults of the submarine oil pipeline; the method effectively solves the problem that the current dimension for diagnosing the submarine oil pipeline is too single, improves the reference of the fault diagnosis result of the submarine oil pipeline, reduces the potential safety hazard of subsequent operation of the submarine oil pipeline, greatly improves the troubleshooting force and the troubleshooting effect of the submarine oil pipeline by fault diagnosis from multiple dimensions, and ensures the transportation safety of the submarine oil pipeline.

Description

Online diagnosis and analysis method, equipment and storage medium for energy delivery pipe network fault
Technical Field
The invention belongs to the technical field of energy delivery official network fault diagnosis, and relates to an energy delivery pipe network fault online diagnosis and analysis method, equipment and a storage medium.
Background
With the progress of science, the development and utilization of marine oil resources become inevitable choices for future economic development, marine oil exploitation activities are increasingly frequent, marine oil transportation is increasingly active, submarine oil pipeline transportation is started, and compared with land transportation, submarine oil pipelines bear very large environmental differences, and the fault probability and the repair difficulty of pipelines are increased, so that the importance of fault diagnosis of submarine oil pipelines is highlighted.
At present, the failure of the submarine petroleum pipeline is mainly diagnosed aiming at the leakage failure and the pipeline geometric failure of the submarine petroleum, and the failure diagnosis is not carried out on the states of pipeline conveying conditions, pipeline accessories and the like, so that the problems in the following aspects exist in the prior art obviously:
1. the submarine oil pipeline can receive the impact of seawater scouring, steamships or fish schools, not only can change the form and the size of the pipeline, but also can cause great influence on a plurality of important areas such as a welding area and an accessory placement area, only carries out fault judgment from the appearance defect of the pipeline at present, judges that the dimension is too single and one-sided, has low referential property, and cannot reduce the potential safety hazard of subsequent operation of the pipeline.
2. Pipeline leakage can be caused by external defects and internal defects of the submarine oil pipeline, the defect monitoring of the pipeline is not comprehensive enough at present, the monitoring force is not strong, the detection timeliness and the maintenance timeliness of the submarine oil pipeline faults cannot be improved, and the elimination efficiency of the submarine oil pipeline potential faults cannot be improved;
3. the submarine oil pipeline often causes the conditions of position deviation or suspension and the like due to submarine motion, thereby causing great hidden danger to the pipeline oil body transportation safety, simultaneously causing the pipeline to break and other faults due to uneven stress and unstable placement, and the stability of pipeline transportation cannot be guaranteed because the pipeline is not monitored and analyzed at present;
4. the flow and the flow rate of the oil body conveyed by the submarine oil pipeline are generally constant and uniform, but the oil body can be attached to the inner wall of the pipeline and accumulated in the bent area of the pipeline, so that the risk of blockage faults exists, the current flow and flow rate monitoring of the oil body conveyed by the pipeline is mainly used for judging the leakage of the pipeline, the faults of the type are not evaluated, the blockage risk of the pipeline cannot be reduced, and the smoothness and the safety of pipeline conveying cannot be improved.
Disclosure of Invention
In view of the above, to solve the problems in the background art, a method, a device and a storage medium for online diagnosis and analysis of energy transmission pipeline faults are provided;
the purpose of the invention can be realized by the following technical scheme:
the invention provides an online diagnosis and analysis method for network faults of an energy delivery pipe, which comprises the following steps:
step 1, obtaining initial laying information of a submarine oil pipeline: acquiring initial laying information corresponding to a seabed oil pipeline in a designated sea area;
step 2, monitoring and dividing the submarine oil pipeline: extracting the position corresponding to each welding area from the initial laying information corresponding to the submarine pipeline in the designated sea area, dividing the submarine oil pipeline into oil pipeline sections which are numbered as 1,2, on the basis of the position corresponding to each welding area, wherein the numbers are 1,2, i, n, and acquiring the current corresponding position of each oil pipeline section;
step 3, monitoring and analyzing damage of the submarine oil pipeline: the damage monitoring system is used for monitoring and evaluating the current corresponding damage information of each oil pipeline section;
step 4, monitoring and analyzing the stability of the submarine oil pipeline: the stability monitoring system is used for monitoring and evaluating the currently corresponding stability information of each oil pipeline section;
step 5, monitoring and analyzing the delivery of the submarine oil pipeline: the system is used for monitoring and evaluating the currently corresponding conveying state information of each oil conveying pipeline section;
step 6, monitoring and analyzing the leakage of the submarine oil pipeline: the oil body leakage monitoring system is used for monitoring and evaluating the current corresponding oil body leakage state of each oil pipeline section;
step 7, comprehensive judgment and analysis of the fault of the submarine oil pipeline: the system is used for comprehensively judging and analyzing the faults corresponding to the submarine oil pipeline and outputting the fault types corresponding to the fault oil pipeline sections in the submarine oil pipeline;
step 8, feeding back a fault diagnosis result of the submarine oil pipeline: the method is used for feeding back fault types corresponding to the oil pipeline sections with faults in the submarine oil pipeline to safety supervision personnel of the submarine oil pipeline.
In a preferred embodiment of the present invention, the initial laying information includes an initial laying position of the oil pipeline, initial welding information, and initial accessory information; wherein the content of the first and second substances,
the initial welding information comprises the number of welding areas and the corresponding positions of all the welding areas;
the initial attachment information includes the number of initial associated attachments and initial placement positions corresponding to the initial associated attachments.
In a preferred embodiment of the present invention, the monitoring and evaluating of the damage information currently corresponding to each oil pipeline section specifically includes the following steps:
A. monitoring and evaluating the currently corresponding external damage information of each oil pipeline section to obtain the external damage safety evaluation index corresponding to each oil pipeline section, and recording the external damage safety evaluation index as beta i I is denoted as oil pipeline section number, i =1, 2.
A1, carrying out image acquisition on the outer surface corresponding to each current oil pipeline section, identifying the number of cracks and the corresponding size of each crack from the acquired outer surface image, identifying the maximum crack size from the acquired outer surface image, further analyzing to obtain the external crack damage safety assessment index corresponding to each oil pipeline section, and recording as epsilon 1 i
A2, identifying the number of corrosion regions and the area corresponding to each corrosion region from the outer surface image corresponding to each oil pipeline section, accumulating to obtain the comprehensive corrosion region area corresponding to each oil pipeline section, and recording as S 0 i Analyzing to obtain external corrosion damage safety evaluation indexes corresponding to each oil pipeline section and recording as epsilon 2 i
A3, identifying the area and the deformation degree corresponding to each external deformation area from the external surface image corresponding to each oil pipeline section, analyzing to obtain the external deformation damage safety assessment index corresponding to each oil pipeline section, and recording as epsilon 3 i
A4, analyzing by an analysis formula to obtain each oil delivery pipeSafety evaluation index beta of external damage corresponding to road section i
Figure BDA0003729044140000041
d1, d2 and d3 are respectively expressed as influence weights corresponding to set cracks, corrosion and deformation;
B. monitoring and evaluating the current corresponding internal damage information of each oil pipeline section to obtain the internal damage safety evaluation index corresponding to each oil pipeline section, and recording the internal damage safety evaluation index as delta i The method specifically comprises the following steps:
b1, carrying out damage detection on the interior of each oil pipeline section to obtain damage types existing in each oil pipeline section and damage parameters corresponding to each damage type, wherein the damage types comprise cracks and corrosion;
b2, analyzing by an analysis formula to obtain an internal crack damage safety assessment index of each oil pipeline section, and recording as L i
B3, analyzing by an analysis formula to obtain a safety evaluation index of the internal corrosion damage of each oil pipeline section, and recording as F i
B4, passing an analysis formula
Figure BDA0003729044140000051
Analyzing to obtain the internal damage safety evaluation index delta corresponding to each oil pipeline section i Alpha 1 and alpha 2 are respectively the influence weights corresponding to the internal cracks and the internal corrosion of the set oil pipeline section;
C. monitoring and evaluating the damage information corresponding to the related accessories in each oil pipeline section to obtain the damage safety evaluation index corresponding to the related accessories of each oil pipeline section, and recording the damage safety evaluation index as gamma i The method specifically comprises the following steps:
c1, identifying the number of the associated accessories and the positions corresponding to the associated accessories from the outer surface images corresponding to the oil pipeline sections;
c2, identifying damage information corresponding to each associated accessory from an outer surface image corresponding to each oil pipeline section, wherein the damage information corresponding to the associated accessory comprises crack damage information and corrosion damage information, the crack damage comprises the number of cracks and the maximum crack volume, and the corrosion damage information is corrosion area;
c3, extracting initial installation positions corresponding to the initial associated accessories from initial laying information corresponding to the submarine oil pipeline, matching to obtain the number of the initial associated accessories corresponding to each oil pipeline section and the initial installation positions corresponding to the initial associated accessories based on the current corresponding positions of each oil pipeline section, and acquiring the distance between the position corresponding to each associated accessory of each oil pipeline section and the initial installation position and recording the distance as delta X i j J denotes an associated accessory number, j =1, 2.... X;
c4, analyzing by an analysis formula to obtain damage safety evaluation indexes gamma corresponding to the associated accessories of each oil pipeline section i
D. Monitoring and evaluating the current corresponding damage information of the welding area of each oil pipeline section to obtain the damage safety evaluation index of each oil pipeline section welding area, and recording the damage safety evaluation index as chi i
E. And comprehensively evaluating the damage information currently corresponding to each oil pipeline section, and analyzing according to an analysis formula to obtain a comprehensive damage safety evaluation index currently corresponding to each oil pipeline section.
In a preferred embodiment of the present invention, the specific analysis formula of the comprehensive damage safety assessment index currently corresponding to each oil pipeline section is λ i =η1*β i +η2*δ i +η3*γ i ,λ i And the safety evaluation coefficient is expressed as a comprehensive damage safety evaluation coefficient corresponding to the ith oil pipeline section at present, and eta 1, eta 2 and eta 3 are respectively expressed as influence weights corresponding to external damage, internal damage and accessory damage of the pipeline.
In a preferred embodiment of the present invention, the method is characterized in that the currently corresponding stability information of each oil pipeline section is monitored and evaluated, and the specific execution process is as follows:
based on the initial laying position of the oil pipeline, the corresponding laying position of each oil pipeline section in the oil pipeline is obtained, the distance between the current corresponding position of each oil pipeline section and the initial laying position is further obtained and used as the laying offset distance, and the distance is further marked as D i
Height monitoring points are arranged at the bottoms of the oil pipeline sections, the distance between the oil pipeline sections and the seabed is monitored through infrared distance measuring sensors arranged at the positions of the height monitoring points, and the maximum distance is selected from the distance, is used as the corresponding suspension height of each oil pipeline section and is recorded as H i
Arranging vibration monitoring points on each oil pipeline section, monitoring the vibration frequency of each oil pipeline section through a vibration sensor arranged at each vibration monitoring point, screening out the maximum vibration frequency from the vibration frequency, taking the maximum vibration frequency as the vibration frequency corresponding to each oil pipeline section, and recording the maximum vibration frequency as P i
By analysis of formulas
Figure BDA0003729044140000061
Analyzing to obtain the currently corresponding stable safety evaluation index psi of each oil pipeline section i And omega 1, omega 2 and omega 3 are respectively influence weights corresponding to set pipeline offset, suspension height and vibration frequency, and D ', H ' and P ' are respectively safe offset distance, safe suspension height and safe vibration frequency corresponding to set oil pipeline sections.
In a preferred embodiment of the present invention, the monitoring and evaluating of the currently corresponding delivery status information of each oil delivery pipeline section specifically performs the following processes:
monitoring the external pressure and the internal pressure corresponding to each oil conveying pipeline section through a plurality of pressure sensors arranged outside each oil conveying pipeline section and a plurality of pressure sensors arranged inside each oil conveying pipeline section to obtain each monitored external pressure value and each monitored internal pressure value corresponding to each oil conveying pipeline section, calculating each internal and external pressure difference corresponding to each oil conveying pipeline section through difference values to extract the maximum internal and external pressure difference from the internal and external pressure differences, and recording the maximum internal and external pressure difference as the internal and external pressure difference corresponding to each oil conveying pipeline section as delta N i
Respectively collecting the flow and the flow velocity of oil bodies conveyed by the flow sensor and the flow velocity sensor arranged in each oil conveying pipeline section, and respectively recording the flow and the flow velocity as q i And v i
By analysis of formulas
Figure BDA0003729044140000071
And analyzing to obtain the current corresponding oil transportation state safety evaluation index of each oil transportation pipeline section, wherein delta N ', q ' and v ' are respectively the allowable internal and external pressure difference, the standard transportation oil body flow and the standard transportation oil body flow speed corresponding to the set oil transportation pipeline, and delta q and delta v are respectively the allowable transportation oil body flow difference and the allowable transportation oil body flow speed difference of the set oil transportation pipeline.
In a preferred embodiment of the present invention, the monitoring and evaluating of the oil body leakage state currently corresponding to each oil pipeline section specifically performs the following steps: monitoring each oil pipeline section through a plurality of distributed optical fiber sensors, if the distributed optical fiber sensors in a certain oil pipeline end monitor oil leakage signals, judging that the oil body leakage safety assessment index of the oil pipeline section is theta, otherwise, judging that the oil body leakage safety assessment index of the oil pipeline section is theta', respectively obtaining the oil body leakage safety assessment index corresponding to each oil pipeline section currently in this way, and recording the oil body leakage safety assessment index as
Figure BDA0003729044140000072
The value is theta or theta ', wherein theta' is larger than theta.
In a preferred embodiment of the present invention, the comprehensive evaluation and analysis of the fault corresponding to the subsea oil pipeline is performed by the following steps:
firstly, matching and comparing the current corresponding comprehensive damage safety assessment index of each oil pipeline section with a set standard damage safety assessment index, and if the current corresponding comprehensive damage safety assessment index of a certain oil pipeline section is smaller than the standard damage safety assessment index, judging that a fault exists in the oil pipeline section and the fault type is a damage fault;
secondly, comparing the current stable safety evaluation index of each oil pipeline section with a set standard stable safety evaluation index, and if the current corresponding stable safety evaluation index of a certain oil pipeline section is smaller than the standard stable safety evaluation index, judging that the oil pipeline section has a fault and the fault type is a support fault;
comparing the current corresponding oil transportation state safety evaluation index of each oil transportation pipeline section with a set standard oil transportation state safety evaluation index, and if the current corresponding oil transportation state safety evaluation index of a certain oil transportation pipeline section is smaller than the standard oil transportation state safety evaluation index, judging that the oil transportation pipeline section has a fault, wherein the fault type is a transportation fault;
and fourthly, comparing the oil body leakage safety assessment index currently corresponding to each oil conveying pipeline section with a set standard oil body leakage safety assessment index, if the oil body leakage safety assessment index currently corresponding to a certain oil conveying pipeline section is smaller than the standard oil body leakage safety assessment index, judging that the oil conveying pipeline section has a fault, and if the fault type is a leakage fault, respectively obtaining the fault type corresponding to each oil conveying pipeline section with the fault in the mode.
The invention provides an on-line diagnosis and analysis device for network faults of an energy delivery pipe, which comprises: the system comprises a processor, a memory and a network interface, wherein the memory and the network interface are connected with the processor; the network interface is connected with a nonvolatile memory in the server; and when the processor runs, the processor calls the computer program from the nonvolatile memory through the network interface and runs the computer program through the memory so as to execute the online diagnosis and analysis method for the network fault of the energy delivery pipe.
The invention provides an online diagnosis and analysis storage medium for network faults of an energy delivery pipe, wherein a computer program is burnt on the storage medium, and when the computer program runs in a memory of a server, the online diagnosis and analysis method for network faults of the energy delivery pipe is realized.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the on-line fault diagnosis and analysis method for the energy delivery pipeline, provided by the invention, the submarine oil delivery pipeline is divided, and the fault corresponding to the submarine oil delivery pipeline is diagnosed and analyzed in four dimensions, namely damage information, stability information, delivery state information and oil body leakage state corresponding to each oil delivery pipeline section, so that the problem that the current diagnosis dimension for the submarine oil delivery pipeline is too single is effectively solved, the reference of the fault diagnosis result of the submarine oil delivery pipeline is improved, the potential safety hazard of subsequent operation of the submarine oil delivery pipeline is reduced, and on the other hand, the fault diagnosis is carried out on the submarine oil delivery pipeline from multiple dimensions, so that the troubleshooting strength of the fault of the submarine oil delivery pipeline is greatly improved, the fault elimination efficiency and the fault elimination effect of the subsequent submarine oil delivery pipeline are greatly improved, and the delivery stability and the delivery safety of the submarine oil delivery pipeline are ensured.
(2) When the damage information corresponding to each oil pipeline section is monitored and evaluated, the damage information corresponding to each oil pipeline section is monitored and evaluated from four levels of external damage information, internal damage information, associated accessory damage information and welding area damage information corresponding to each oil pipeline section, multi-direction and multi-level monitoring corresponding to each oil pipeline section is realized, the precision and the comprehensiveness of damage evaluation of each oil pipeline section are improved, meanwhile, the monitoring strength of the damage information of each oil pipeline section is improved by monitoring the external damage and the external damage of the submarine oil pipeline, the detection timeliness and the maintenance timeliness of damage faults of the submarine oil pipeline are greatly improved, and the elimination efficiency of potential faults of the submarine oil pipeline is also improved.
(3) According to the invention, the corresponding placement state of each oil pipeline section is visually displayed by monitoring and evaluating the current corresponding stability information of each oil pipeline section, so that the major potential safety hazard caused by suspension or deviation of the pipeline is effectively prevented, the occurrence probability of faults of pipeline breakage and the like caused by uneven stress and unstable placement of the pipeline is reduced, and the transportation stability of the oil pipeline is ensured.
(4) According to the invention, the current corresponding conveying state information of each oil conveying pipeline section is monitored and evaluated, so that the pipeline blockage risk is effectively reduced, the occurrence of dangerous events such as pipeline explosion and the like caused by blockage is avoided, the pipeline conveying smoothness and safety are improved, and the loss in the petroleum conveying process is reduced to a certain extent.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the steps of the method of the present invention.
Detailed Description
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Referring to fig. 1, the present invention provides an online diagnosis and analysis method for network faults of an energy transmission pipe, which includes the following steps:
step 1, obtaining initial laying information of a submarine oil pipeline: acquiring initial laying information corresponding to a seabed oil pipeline in a designated sea area;
in the foregoing, the initial laying information includes an initial laying position of the oil pipeline, initial welding information, and initial accessory information; the initial welding information comprises the number of welding areas and the corresponding positions of all the welding areas, and the initial accessory information comprises the number of initial associated accessories and the corresponding initial placement positions of all the initial associated accessories.
Step 2, monitoring and dividing the submarine oil pipeline: extracting the position corresponding to each welding area from the initial laying information corresponding to the submarine pipeline in the designated sea area, dividing the submarine oil pipeline into oil pipeline sections which are sequentially numbered as 1,2, 1, i, n and acquiring the current corresponding position of each oil pipeline section based on the position corresponding to each welding area;
step 3, monitoring and analyzing damage of the submarine oil pipeline: the system is used for monitoring and evaluating the damage information currently corresponding to each oil pipeline section;
illustratively, the monitoring and evaluating of the damage information currently corresponding to each oil pipeline section is performed in the following specific steps:
A. monitoring and evaluating the current corresponding external damage information of each oil pipeline section to obtain the external damage safety evaluation index corresponding to each oil pipeline section, and recording the external damage safety evaluation index as beta i I denotes the oil pipeline section number, i =1, 2.
A1, carrying out image acquisition on the outer surface corresponding to each current oil pipeline section, identifying the number of cracks and the corresponding size of each crack from the acquired outer surface image, and identifying the maximum crack size from the acquired outer surface image, wherein the maximum crack size is the maximum crack length, the maximum crack width and the maximum crack depth, and respectively recorded as l max i 、k max i And h max i And further analyzing to obtain an external crack damage safety assessment index corresponding to each oil pipeline section, and recording as epsilon 1 i
Wherein the content of the first and second substances,
Figure BDA0003729044140000121
f i the number of cracks corresponding to the outer surface corresponding to the ith oil pipeline section is shown, f 'is the number of allowed cracks corresponding to the surface of the set oil pipeline, l', k 'and h' are the length, width and depth of the allowed cracks corresponding to the outer surface of the set oil pipeline, a1 and a2 are respectively the number of cracks on the surface of the set submarine oil pipeline and influence factors corresponding to the sizes of the cracks, and b1, b2 and b3 are respectively the safety proportion weights corresponding to the length, width and depth of the cracks of the set submarine oil pipeline;
a2, identifying the number of corrosion areas and the area corresponding to each corrosion area from the outer surface image corresponding to each oil pipeline section, accumulating to obtain the comprehensive corrosion area corresponding to each oil pipeline section, and recording as S 0 i Analyzing to obtain external corrosion damage safety evaluation indexes corresponding to each oil pipeline section and recording as epsilon 2 i
Figure BDA0003729044140000122
S' isSetting an external allowable corrosion area corresponding to the submarine oil pipeline;
a3, identifying the area and the deformation degree corresponding to each external deformation area from the external surface image corresponding to each oil pipeline section, analyzing to obtain the external deformation damage safety assessment index corresponding to each oil pipeline section, and recording as epsilon 3 i
Wherein, the external deformation damage safety evaluation index corresponding to each oil pipeline section comprises the following specific analysis processes:
a3-1, comparing the deformation degrees corresponding to the external deformation areas in the oil pipeline sections, and screening to obtain the maximum deformation degree corresponding to the outside of each oil pipeline section, which is marked as B max i Meanwhile, the areas corresponding to the external deformation areas are accumulated to obtain the area of the comprehensive deformation area corresponding to the outside of each oil pipeline section, which is marked as S 1 i
A3-2, by analytical formula
Figure BDA0003729044140000131
Analyzing to obtain the external deformation damage safety evaluation index epsilon 3 corresponding to each oil pipeline section i P1 and p2 are respectively influence weights B ' and S ' corresponding to the set area and degree of deformation of the external deformation region of the pipe ' 1 Respectively representing the allowable deformation degree and the allowable deformation area corresponding to the outside of the submarine oil pipeline;
a4, analyzing by an analysis formula to obtain an external damage safety assessment index beta corresponding to each oil pipeline section i
Figure BDA0003729044140000132
d1, d2 and d3 are respectively expressed as influence weights corresponding to set pipeline external cracks, corrosion and deformation;
B. monitoring and evaluating the current corresponding internal damage information of each oil pipeline section to obtain the internal damage safety evaluation index corresponding to each oil pipeline section, and recording the internal damage safety evaluation index as delta i The method specifically comprises the following steps:
b1, carrying out damage detection on the interior of each oil pipeline section through a damage monitor carried by a pipeline crawler to obtain damage types existing in each oil pipeline section and damage parameters corresponding to each damage type, wherein the damage types comprise cracks and corrosion, the damage parameters corresponding to the crack damage types are the number of the cracks and the size corresponding to each crack, and the damage parameters corresponding to the corrosion damage types are the number of corrosion areas and the corrosion area corresponding to each corrosion area;
b2, analyzing by an analysis formula to obtain an internal crack damage safety assessment index of each oil pipeline section, and recording as L i
Figure BDA0003729044140000141
g1 and g2 are respectively the influence weight corresponding to the number of the cracks and the sizes of the cracks in the oil pipeline, u i Expressed as the number of cracks corresponding to the inside of the ith oil pipeline section, u' is the number of allowable cracks in the set oil pipeline section, c it The size of a t-th crack in the ith oil pipeline section is corresponding, c' is the size of a set allowable crack inside the oil pipeline, t represents a crack number, and t =1, 2.. Once.u;
b3, analyzing by an analysis formula to obtain a safety evaluation index of the internal corrosion damage of each oil pipeline section, and recording as F i
Figure BDA0003729044140000142
g3 and g4 are respectively the influence weight corresponding to the number of the corrosion areas and the corrosion areas in the oil pipeline, y i Expressed as the number of corrosion areas corresponding to the inside of the ith oil pipeline section, y' is the number of allowable corrosion areas in the set oil pipeline section, S 1 ir Represents the corrosion area of the ith oil pipeline section corresponding to the r-th corrosion area S 1 ' is a set permissible corrosion area inside the oil pipeline, r represents an oil pipeline section internal corrosion area number, r =1, 2.. Once;
b4, passing an analysis formula
Figure BDA0003729044140000143
Analyzing to obtain the internal damage safety evaluation index corresponding to each oil pipeline sectionδ i Alpha 1 and alpha 2 are respectively the influence weights corresponding to the internal cracks and the internal corrosion of the set oil pipeline section;
C. monitoring and evaluating the damage information corresponding to the related accessories in each oil pipeline section to obtain the damage safety evaluation index corresponding to the related accessories of each oil pipeline section, and recording the damage safety evaluation index as gamma i The method specifically comprises the following steps:
c1, identifying the number of the associated accessories and the positions corresponding to the associated accessories from the outer surface images corresponding to the oil pipeline sections;
c2, identifying damage information corresponding to each associated accessory from the outer surface image corresponding to each oil pipeline section, wherein the damage information corresponding to the associated accessory comprises crack damage information and corrosion damage information, the crack damage comprises the number of cracks and the maximum crack volume, and the corrosion damage information is corrosion area;
c3, extracting initial installation positions corresponding to the initial associated accessories from the initial laying information corresponding to the oil pipeline at the inner sea bottom, matching to obtain the number of the initial associated accessories corresponding to each oil pipeline section and the initial installation positions corresponding to the initial associated accessories based on the current corresponding positions of each oil pipeline section, obtaining the distance between the position corresponding to each associated accessory of each oil pipeline section and the initial installation position, and recording as delta X i j J denotes an associated accessory number, j =1, 2.... X;
c4, analyzing by an analysis formula to obtain damage safety assessment indexes gamma corresponding to the associated accessories of the oil pipeline sections i
The specific calculation process of the damage safety assessment index corresponding to each oil pipeline section associated accessory is as follows:
c4-1, by analytical formula
Figure BDA0003729044140000151
Analyzing to obtain a migration safety evaluation index phi 1 corresponding to each oil pipeline section associated accessory i ,J i 、J Initial i Respectively representing the number of the associated accessories and the initial associated accessories corresponding to the ith oil pipeline section, wherein the delta X' is setσ 1 and σ 2 are respectively expressed as the set number of attachments and the influence weight corresponding to the attachment position;
c4-2, by analytical formula
Figure BDA0003729044140000161
Analyzing to obtain crack damage safety evaluation index, T, corresponding to the associated accessories of each oil pipeline section i ,V max ij The number of cracks corresponding to the ith oil pipeline section and the maximum crack volume corresponding to the jth associated accessory in the ith oil pipeline section are respectively expressed, T 'and V' are respectively expressed as the set allowable number of cracks and the maximum allowable crack volume of the accessory, and z1 and z2 are respectively the set number of cracks of the accessory and the influence weight corresponding to the crack volume of the accessory;
c4-3, by analytical formula
Figure BDA0003729044140000162
Analyzing to obtain corrosion damage safety evaluation index phi 3 corresponding to each oil pipeline section associated accessory i ,M i j Setting corrosion area M' as corrosion area permitted by the set accessories and z3 as corrosion evaluation correction factor of the set accessories, wherein the corrosion area is corresponding to the jth associated accessories in the ith oil pipeline section;
c4-3, by analytical formula
Figure BDA0003729044140000163
Obtaining damage safety evaluation indexes corresponding to the associated accessories of each oil pipeline section, wherein tau 1, tau 2 and tau 3 are respectively set influence factors corresponding to accessory offset, cracks and corrosion;
D. monitoring and evaluating the current corresponding damage information of the welding area of each oil pipeline section to obtain the damage safety evaluation index of each oil pipeline section welding area, and recording the damage safety evaluation index as chi i
D1, carrying out welding point arrangement on the welding area of each oil pipeline section through a welding point detector, detecting each welding point to obtain the welding line area corresponding to each welding point, and feeding the welding line area corresponding to each welding point in the welding area of each oil pipeline section into the welding line area corresponding to each welding pointComparing, screening out the maximum weld area from the obtained data, and taking the maximum weld area as the corresponding weld area of each oil pipeline section as S 2 i
D2, analyzing by an analysis formula to obtain damage safety evaluation indexes of welding areas of the oil pipeline sections,
Figure BDA0003729044140000171
S′ 2 is the set allowable weld area.
E. Comprehensively evaluating the damage information currently corresponding to each oil pipeline section, and analyzing according to an analysis formula to obtain the comprehensive damage safety evaluation index currently corresponding to each oil pipeline section, wherein the specific analysis formula is lambda i =η1*β i +η2*δ i +η3*γ i ,λ i The safety evaluation coefficient is expressed as a comprehensive damage safety evaluation coefficient corresponding to the ith oil pipeline section, and eta 1, eta 2 and eta 3 are respectively expressed as influence weights corresponding to external damage, internal damage and accessory damage of the pipeline.
When the damage information corresponding to each oil pipeline section is monitored and evaluated, the damage information corresponding to each oil pipeline section is monitored and evaluated from four levels of external damage information, internal damage information, associated accessory damage information and welding area damage information corresponding to each oil pipeline section, multi-direction and multi-level monitoring corresponding to each oil pipeline section is achieved, the precision and the comprehensiveness of damage evaluation of each oil pipeline section are improved, meanwhile, monitoring of external damage and external damage of a submarine oil pipeline is achieved, the monitoring strength of the damage information of each oil pipeline section is improved, the detection timeliness and the maintenance timeliness of damage faults of the submarine oil pipeline are greatly improved, and the elimination efficiency of potential faults of the submarine oil pipeline is improved.
Step 4, monitoring and analyzing the stability of the submarine oil pipeline: the stability monitoring system is used for monitoring and evaluating the currently corresponding stability information of each oil pipeline section;
in the foregoing, the currently corresponding stability information of each oil pipeline section is monitored and evaluated, and the specific execution process is as follows:
based on defeated oil pipe line initial laying positionAcquiring the corresponding laying position of each oil pipeline section in the oil pipeline, further acquiring the distance between the current corresponding position of each oil pipeline section and the initial laying position thereof, taking the distance as the laying offset distance, and further marking the distance as D i
Height monitoring points are arranged at the bottoms of the oil pipeline sections, the distance between the oil pipeline sections and the seabed is monitored through infrared distance measuring sensors arranged at the positions of the height monitoring points, and the maximum distance is selected from the distance to serve as the corresponding suspension height of each oil pipeline section and is recorded as H i
Arranging vibration monitoring points on each oil pipeline section, monitoring the vibration frequency of each oil pipeline section through a vibration sensor arranged at each vibration monitoring point, screening out the maximum vibration frequency from the vibration frequency, taking the maximum vibration frequency as the vibration frequency corresponding to each oil pipeline section, and recording the maximum vibration frequency as P i
By analytical formulae
Figure BDA0003729044140000181
Analyzing to obtain the currently corresponding stable safety evaluation index psi of each oil pipeline section i And omega 1, omega 2 and omega 3 are respectively influence weights corresponding to set pipeline offset, suspension height and vibration frequency, and D ', H ' and P ' are respectively safe offset distance, safe suspension height and safe vibration frequency corresponding to set oil pipeline sections.
According to the embodiment of the invention, the corresponding placement state of each oil pipeline section is visually displayed by monitoring and evaluating the currently corresponding stability information of each oil pipeline section, so that the major potential safety hazard caused by suspension or deviation of the pipeline is effectively prevented, the occurrence probability of faults such as pipeline breakage and the like caused by uneven stress and unstable placement of the pipeline is reduced, and the transportation stability of the oil pipeline is ensured.
Step 5, monitoring and analyzing the delivery of the submarine oil pipeline: for current correspondence of individual oil-conveying pipeline sections monitoring and evaluating the conveying state information;
in the foregoing, the current corresponding conveying state information of each oil conveying pipeline section is monitored and evaluated, and the specific execution process is as follows:
monitoring the external pressure and the internal pressure corresponding to each oil conveying pipeline section through a plurality of pressure sensors arranged outside each oil conveying pipeline section and a plurality of pressure sensors arranged inside each oil conveying pipeline section to obtain each monitored external pressure value and each monitored internal pressure value corresponding to each oil conveying pipeline section, calculating each internal and external pressure difference corresponding to each oil conveying pipeline section through difference values to extract the maximum internal and external pressure difference from the internal and external pressure differences, and recording the maximum internal and external pressure difference as the internal and external pressure difference corresponding to each oil conveying pipeline section as delta N i
Respectively collecting the flow and the flow velocity of oil bodies conveyed by the flow sensors and the flow velocity sensors distributed in each oil conveying pipeline section, and respectively recording the flow and the flow velocity as q i And v i
By analysis of formulas
Figure BDA0003729044140000191
And analyzing to obtain the current corresponding oil transportation state safety evaluation index of each oil transportation pipeline section, wherein delta N ', q ' and v ' are respectively the allowable internal and external pressure difference, the standard oil transportation body flow and the standard oil transportation body flow speed corresponding to the set oil transportation pipeline, and delta q and delta v are respectively the allowable oil transportation body flow difference and the allowable oil transportation body flow speed difference of the set oil transportation pipeline.
According to the embodiment of the invention, the currently corresponding conveying state information of each oil conveying pipeline section is monitored and evaluated, so that the blocking risk of the pipeline is effectively reduced, the occurrence of dangerous events such as pipeline explosion and the like caused by blocking is avoided, the smoothness and safety of pipeline conveying are improved, and the loss amount of the petroleum conveying process is reduced to a certain extent.
Step 6, monitoring and analyzing the leakage of the submarine oil pipeline: the oil body leakage monitoring system is used for monitoring and evaluating the current corresponding oil body leakage state of each oil pipeline section;
in the above, the oil body leakage state currently corresponding to each oil pipeline section is monitored and evaluated, and the specific execution process is as follows: monitoring each oil pipeline section through a plurality of distributed optical fiber sensors, and if the distributed optical fiber sensors in a certain oil pipeline end monitor oil leakage signals, judging that the oil body in the oil pipeline section is leaked safelyThe evaluation index is theta, otherwise, the oil body leakage safety evaluation index of the oil conveying pipeline section is judged to be theta', and in the mode, the oil body leakage safety evaluation indexes corresponding to the oil conveying pipeline sections at present are obtained respectively and recorded as
Figure BDA0003729044140000192
The value is theta or theta', where theta > theta.
Step 7, comprehensive judgment and analysis of the fault of the submarine oil pipeline: the fault comprehensive judgment and analysis device is used for comprehensively judging and analyzing the faults corresponding to the submarine oil pipeline and outputting the fault types corresponding to the fault oil pipeline sections in the submarine oil pipeline;
it should be noted that, the comprehensive evaluation and analysis of the fault corresponding to the submarine oil pipeline is performed, and the specific implementation process is as follows:
firstly, matching and comparing the current corresponding comprehensive damage safety assessment index of each oil pipeline section with a set standard damage safety assessment index, and if the current corresponding comprehensive damage safety assessment index of a certain oil pipeline section is smaller than the standard damage safety assessment index, judging that a fault exists in the oil pipeline section and the fault type is a damage fault;
secondly, comparing the current stable safety evaluation index of each oil pipeline section with a set standard stable safety evaluation index, and if the current corresponding stable safety evaluation index of a certain oil pipeline section is smaller than the standard stable safety evaluation index, judging that the oil pipeline section has a fault and the fault type is a support fault;
comparing the current corresponding oil transportation state safety evaluation index of each oil transportation pipeline section with a set standard oil transportation state safety evaluation index, and if the current corresponding oil transportation state safety evaluation index of a certain oil transportation pipeline section is smaller than the standard oil transportation state safety evaluation index, judging that the oil transportation pipeline section has a fault, wherein the fault type is a transportation fault;
and fourthly, comparing the oil body leakage safety assessment index currently corresponding to each oil conveying pipeline section with a set standard oil body leakage safety assessment index, if the oil body leakage safety assessment index currently corresponding to the oil conveying pipeline section is smaller than the standard oil body leakage safety assessment index, judging that the oil conveying pipeline section has a fault, and if the fault type is a leakage fault, respectively acquiring the fault type corresponding to each oil conveying pipeline section with the fault in the mode.
According to the embodiment of the invention, the submarine oil pipeline is divided, and the damage information, the stability information, the conveying state information and the oil body leakage state corresponding to each oil pipeline section are used for diagnosing and analyzing the fault corresponding to the submarine oil pipeline, so that the problem that the current diagnostic dimension of the submarine oil pipeline is too single is effectively solved, the reference of the fault diagnostic result of the submarine oil pipeline is improved, and the potential safety hazard of subsequent operation of the submarine oil pipeline is reduced.
Step 8, feeding back a fault diagnosis result of the submarine oil pipeline: the method is used for feeding back fault types corresponding to the oil pipeline sections with faults in the submarine oil pipeline to safety supervision personnel of the submarine oil pipeline.
The invention provides an on-line diagnosis and analysis device for network faults of an energy delivery pipe, which comprises: the system comprises a processor, a memory and a network interface, wherein the memory and the network interface are connected with the processor; the network interface is connected with a nonvolatile memory in the server; when the processor runs, the computer program is called from the nonvolatile memory through the network interface, and runs through the memory, so as to execute the online diagnosis and analysis method for the network fault of the energy delivery pipe.
The invention also provides an online diagnosis and analysis storage medium for the network fault of the energy delivery pipe, wherein the storage medium is burnt with a computer program, and the online diagnosis and analysis method for the network fault of the energy delivery pipe is realized when the computer program runs in the memory of the server.
The foregoing is illustrative and explanatory only of the principles of the invention, and various modifications or additions may be made to the described embodiments by persons skilled in the art or in a similar manner, without departing from the spirit of the invention or exceeding the scope defined by the claims, it is intended to fall within the scope of the invention.

Claims (10)

1. An on-line diagnosis and analysis method for network faults of an energy transmission pipe is characterized by comprising the following steps:
step 1, obtaining initial laying information of a submarine oil pipeline: acquiring initial laying information corresponding to a seabed oil pipeline in a designated sea area;
step 2, monitoring and dividing the submarine oil pipeline: extracting the position corresponding to each welding area from the initial laying information corresponding to the submarine pipeline in the designated sea area, dividing the submarine oil pipeline into oil pipeline sections which are sequentially numbered as 1,2, 1, i, n and acquiring the current corresponding position of each oil pipeline section based on the position corresponding to each welding area;
step 3, monitoring and analyzing damage of the submarine oil pipeline: the system is used for monitoring and evaluating the damage information currently corresponding to each oil pipeline section;
step 4, monitoring and analyzing the stability of the submarine oil pipeline: the stability information monitoring and evaluating system is used for monitoring and evaluating the currently corresponding stability information of each oil pipeline section;
step 5, monitoring and analyzing the delivery of the submarine oil pipeline: the monitoring and evaluating system is used for monitoring and evaluating the current corresponding conveying state information of each oil conveying pipeline section;
step 6, monitoring and analyzing the leakage of the submarine oil pipeline: the oil body leakage monitoring system is used for monitoring and evaluating the current corresponding oil body leakage state of each oil pipeline section;
step 7, comprehensive judgment and analysis of the fault of the submarine oil pipeline: the system is used for comprehensively judging and analyzing the faults corresponding to the submarine oil pipeline and outputting the fault types corresponding to the fault oil pipeline sections in the submarine oil pipeline;
step 8, fault diagnosis result feedback of the submarine oil pipeline: the method is used for feeding back fault types corresponding to the oil pipeline sections with faults in the submarine oil pipeline to safety supervision personnel of the submarine oil pipeline.
2. The method of claim 1, wherein the method comprises the following steps: the initial laying information comprises an oil pipeline initial laying position, initial welding information and initial accessory information; wherein the content of the first and second substances,
the initial welding information comprises the number of welding areas and the corresponding positions of all the welding areas;
the initial attachment information includes the number of initial associated attachments and initial placement positions corresponding to the initial associated attachments.
3. The method of claim 1, wherein the method comprises the steps of: the method comprises the following steps of monitoring and evaluating damage information currently corresponding to each oil pipeline section, wherein the specific execution process is as follows:
A. monitoring and evaluating the currently corresponding external damage information of each oil pipeline section to obtain the external damage safety evaluation index corresponding to each oil pipeline section, and recording the external damage safety evaluation index as beta i I denotes the oil pipeline section number, i =1, 2.
A1, carrying out image acquisition on the outer surface corresponding to each current oil pipeline section, identifying the number of cracks and the corresponding size of each crack from the acquired outer surface image, identifying the maximum crack size from the acquired outer surface image, further analyzing to obtain the external crack damage safety assessment index corresponding to each oil pipeline section, and recording as epsilon 1 i
A2, identifying the number of corrosion areas and the area corresponding to each corrosion area from the outer surface image corresponding to each oil pipeline section, accumulating to obtain the comprehensive corrosion area corresponding to each oil pipeline section, and recording as S 0 i Analyzing to obtain external corrosion damage safety evaluation indexes corresponding to each oil pipeline section and recording as epsilon 2 i
A3, identifying the area and the deformation degree corresponding to each external deformation area from the external surface image corresponding to each oil pipeline section, and dividing the areas into three areasAnalyzing to obtain the external deformation damage safety evaluation index corresponding to each oil pipeline section, and recording as epsilon 3 i
A4, analyzing by an analysis formula to obtain an external damage safety assessment index beta corresponding to each oil pipeline section i
Figure FDA0003729044130000031
d1, d2 and d3 are respectively expressed as influence weights corresponding to set cracks, corrosion and deformation;
B. monitoring and evaluating the current corresponding internal damage information of each oil pipeline section to obtain the internal damage safety evaluation index corresponding to each oil pipeline section, and recording the internal damage safety evaluation index as delta i The method specifically comprises the following steps:
b1, carrying out damage detection on the interior of each oil pipeline section to obtain damage types existing in each oil pipeline section and damage parameters corresponding to each damage type, wherein the damage types comprise cracks and corrosion;
b2, analyzing by an analysis formula to obtain an internal crack damage safety assessment index of each oil pipeline section, and recording as L i
B3, analyzing by an analysis formula to obtain a safety evaluation index of the internal corrosion damage of each oil pipeline section, and recording as F i
B4, passing an analysis formula
Figure FDA0003729044130000032
Analyzing to obtain the internal damage safety evaluation index delta corresponding to each oil pipeline section i Alpha 1 and alpha 2 are respectively the influence weights corresponding to the internal cracks and the internal corrosion of the set oil pipeline section;
C. monitoring and evaluating the damage information corresponding to the related accessories in each oil pipeline section to obtain the damage safety evaluation index corresponding to the related accessories of each oil pipeline section, and recording the damage safety evaluation index as gamma i The method specifically comprises the following steps:
c1, identifying the number of the associated accessories and the positions corresponding to the associated accessories from the outer surface images corresponding to the oil pipeline sections;
c2, identifying damage information corresponding to each associated accessory from the outer surface image corresponding to each oil pipeline section, wherein the damage information corresponding to the associated accessory comprises crack damage information and corrosion damage information, the crack damage comprises the number of cracks and the maximum crack volume, and the corrosion damage information is corrosion area;
c3, extracting initial installation positions corresponding to the initial associated accessories from initial laying information corresponding to the submarine oil pipeline, matching to obtain the number of the initial associated accessories corresponding to each oil pipeline section and the initial installation positions corresponding to the initial associated accessories based on the current corresponding positions of each oil pipeline section, and acquiring the distance between the position corresponding to each associated accessory of each oil pipeline section and the initial installation position and recording the distance as delta X i j J denotes an associated accessory number, j =1, 2.... X;
c4, analyzing by an analysis formula to obtain damage safety assessment indexes gamma corresponding to the associated accessories of the oil pipeline sections i
D. Monitoring and evaluating the current corresponding damage information of the welding area of each oil pipeline section to obtain the damage safety evaluation index of each oil pipeline section welding area, and recording the damage safety evaluation index as chi i
E. And comprehensively evaluating the damage information currently corresponding to each oil pipeline section, and analyzing according to an analysis formula to obtain a comprehensive damage safety evaluation index currently corresponding to each oil pipeline section.
4. The method of claim 3, wherein the method comprises the following steps: the specific analysis formula of the comprehensive damage safety assessment index currently corresponding to each oil pipeline section is lambda i =η1*β i +η2*δ i +η3*γ i ,λ i The safety evaluation coefficient is expressed as the safety evaluation coefficient of the current corresponding comprehensive damage of the ith oil pipeline section, and eta 1, eta 2 and eta 3 are respectively expressed as the influence weights corresponding to the external damage, the internal damage and the accessory damage of the pipeline.
5. The method of claim 4, wherein the method comprises the following steps: the method is characterized in that the currently corresponding stability information of each oil pipeline section is monitored and evaluated, and the specific execution process is as follows:
based on the initial laying position of the oil pipeline, the corresponding laying position of each oil pipeline section in the oil pipeline is obtained, the distance between the current corresponding position of each oil pipeline section and the initial laying position of each oil pipeline section is further obtained and is used as the laying offset distance, and the distance is further marked as D i
Height monitoring points are arranged at the bottoms of the oil pipeline sections, the distance between the oil pipeline sections and the seabed is monitored through infrared distance measuring sensors arranged at the positions of the height monitoring points, and the maximum distance is selected from the distance, is used as the corresponding suspension height of each oil pipeline section and is recorded as H i
Arranging vibration monitoring points at each oil conveying pipeline section, monitoring the vibration frequency of the vibration sensors arranged at the vibration monitoring points, and screening out the maximum vibration frequency as the vibration frequency corresponding to each oil conveying pipeline section and recording as P i
By analytical formulae
Figure FDA0003729044130000051
Analyzing to obtain the currently corresponding stable safety evaluation index psi of each oil pipeline section i And the omega 1, the omega 2 and the omega 3 are respectively influence weights corresponding to the set pipeline offset, the suspension height and the vibration frequency, and the D ', the H ' and the P ' are respectively a safe offset distance, a safe suspension height and a safe vibration frequency corresponding to the set oil pipeline section.
6. The method of claim 5, wherein the method comprises the following steps: the method comprises the following steps of monitoring and evaluating the current corresponding conveying state information of each oil conveying pipeline section, wherein the specific execution process comprises the following steps:
monitoring the external pressure and the internal pressure corresponding to each oil pipeline section through a plurality of pressure sensors arranged outside and a plurality of pressure sensors arranged inside each oil pipeline section to obtain each oil pipeline section pairCalculating the difference value of each monitored external pressure value and each monitored internal pressure value to obtain each internal and external pressure difference corresponding to each oil conveying pipeline section, extracting the maximum internal and external pressure difference from the internal and external pressure differences, and taking the maximum internal and external pressure difference as the internal and external pressure difference corresponding to each oil conveying pipeline section and recording the maximum internal and external pressure difference as delta N i
Respectively collecting the flow and the flow velocity of oil bodies conveyed by the flow sensors and the flow velocity sensors distributed in each oil conveying pipeline section, and respectively recording the flow and the flow velocity as q i And v i
By analytical formulae
Figure FDA0003729044130000061
And analyzing to obtain the current corresponding oil transportation state safety evaluation index of each oil transportation pipeline section, wherein delta N ', q ' and v ' are respectively the allowable internal and external pressure difference, the standard transportation oil body flow and the standard transportation oil body flow speed corresponding to the set oil transportation pipeline, and delta q and delta v are respectively the allowable transportation oil body flow difference and the allowable transportation oil body flow speed difference of the set oil transportation pipeline.
7. The method of claim 6, wherein the method comprises the following steps: the method comprises the following steps of monitoring and evaluating the current oil body leakage state corresponding to each oil pipeline section, wherein the specific execution process comprises the following steps: monitoring each oil pipeline section through a plurality of distributed optical fiber sensors, if the distributed optical fiber sensors in a certain oil pipeline end monitor oil leakage signals, judging that the oil body leakage safety assessment index of the oil pipeline section is theta, otherwise, judging that the oil body leakage safety assessment index of the oil pipeline section is theta', respectively obtaining the oil body leakage safety assessment index corresponding to each oil pipeline section currently in this way, and recording the oil body leakage safety assessment index as l i ,l i The value is theta or theta ', wherein theta' is larger than theta.
8. The method of claim 7, wherein the method comprises the following steps: the comprehensive judgment and analysis of the faults corresponding to the submarine oil pipeline are implemented by the following specific implementation processes:
firstly, matching and comparing the current corresponding comprehensive damage safety assessment index of each oil pipeline section with a set standard damage safety assessment index, and if the current corresponding comprehensive damage safety assessment index of a certain oil pipeline section is smaller than the standard damage safety assessment index, judging that a fault exists in the oil pipeline section and the fault type is a damage fault;
secondly, comparing the current stable safety evaluation index of each oil pipeline section with a set standard stable safety evaluation index, and if the current corresponding stable safety evaluation index of a certain oil pipeline section is smaller than the standard stable safety evaluation index, judging that the oil pipeline section has a fault and the fault type is a support fault;
comparing the current corresponding oil transportation state safety evaluation index of each oil transportation pipeline section with a set standard oil transportation state safety evaluation index, and if the current corresponding oil transportation state safety evaluation index of a certain oil transportation pipeline section is smaller than the standard oil transportation state safety evaluation index, judging that the oil transportation pipeline section has a fault, wherein the fault type is a transportation fault;
and fourthly, comparing the oil body leakage safety assessment index currently corresponding to each oil conveying pipeline section with a set standard oil body leakage safety assessment index, if the oil body leakage safety assessment index currently corresponding to a certain oil conveying pipeline section is smaller than the standard oil body leakage safety assessment index, judging that the oil conveying pipeline section has a fault, and if the fault type is a leakage fault, respectively acquiring the fault type corresponding to each oil conveying pipeline section with the fault in the mode.
9. An on-line diagnosis and analysis equipment for network faults of an energy transmission pipe is characterized in that: the method comprises the following steps: the system comprises a processor, a memory and a network interface, wherein the memory and the network interface are connected with the processor; the network interface is connected with a nonvolatile memory in the server; the processor, when running, retrieves a computer program from the non-volatile memory via the network interface and runs the computer program via the memory to perform the method of any of claims 1-8.
10. An energy transmission pipe network fault on-line diagnosis analysis storage medium is characterized in that: the storage medium is burned with a computer program, and the computer program realizes the method of any one of the above claims 1-8 when running in the memory of the server.
CN202210786733.7A 2022-07-04 2022-07-04 Online diagnosis and analysis method, equipment and storage medium for energy transmission pipe network fault Withdrawn CN115146966A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116229660A (en) * 2023-05-10 2023-06-06 凯特智能控制技术有限公司 Distributed fire alarm system for large oil depot
CN117367845A (en) * 2023-10-13 2024-01-09 中国人民解放军陆军装甲兵学院 Health diagnosis method for army equipment maintenance equipment
CN117762063B (en) * 2023-12-04 2024-06-04 安徽省江北华衍水务有限公司 Waterproof safety supervision control system for water works

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116229660A (en) * 2023-05-10 2023-06-06 凯特智能控制技术有限公司 Distributed fire alarm system for large oil depot
CN117367845A (en) * 2023-10-13 2024-01-09 中国人民解放军陆军装甲兵学院 Health diagnosis method for army equipment maintenance equipment
CN117367845B (en) * 2023-10-13 2024-05-03 中国人民解放军陆军装甲兵学院 Health diagnosis method for army equipment maintenance equipment
CN117762063B (en) * 2023-12-04 2024-06-04 安徽省江北华衍水务有限公司 Waterproof safety supervision control system for water works

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