CN-121997524-A - Stress coupling analysis system and analysis method for lining gathering and transportation pipeline

CN121997524ACN 121997524 ACN121997524 ACN 121997524ACN-121997524-A

Abstract

The invention relates to the technical field of electric data processing, in particular to a stress coupling analysis system and an analysis method for a lining gathering pipeline, wherein the analysis system solves the problems that the traditional analysis method always depends on a simplified physical model and assumption and lacks effective data integration capability by arranging an environment evaluation module, a stress coupling evaluation module and a stress coupling module, the problem that the prediction of the pipeline behavior under the actual working condition is not accurate enough can be caused, the problem possibly encountered by the pipeline in the actual operation can be predicted more accurately, so that preventive measures can be taken in advance, the stress response of the pipeline under different environmental conditions and corrosion states can be predicted by the system, the stress coupling state can be monitored and estimated, the maintenance work can be planned more effectively, the excessive maintenance or the neglect of potential risk points can be avoided, and the service life of the pipeline can be prolonged.

Inventors

ZHAO YING
ZHOU GUOQIANG
YUAN WANLI
CUI XIAOMING
FENG QIFANG
GUO HAIBIN
TONG YUNXIA

Assignees

中国石油化工股份有限公司
中国石油化工股份有限公司胜利油田分公司

Dates

Publication Date: 20260508
Application Date: 20241108

Claims (10)

1. The stress coupling analysis system for the lining gathering and transportation pipeline is characterized by comprising an environment assessment module, a stress coupling assessment module and a stress coupling module, wherein: the environment evaluation module is used for obtaining stress coupling evaluation deviation values based on the environment state data set, obtaining beach environment evaluation values based on the beach environment state data set, and obtaining corrosion and organism adhesion evaluation values based on the corrosion and organism adhesion data set; the stress coupling evaluation module is used for guiding the stress coupling evaluation deviation value, the beach environment evaluation value and the corrosion and organism adhesion evaluation value into a stress coupling evaluation model to obtain a stress coupling evaluation value; the stress coupling module is used for judging the stress coupling state of the lining gathering and conveying pipeline based on the stress coupling evaluation value.
2. The stress coupling analysis system of the lining gathering and transportation pipeline according to claim 1, wherein the environmental state data set specifically comprises an environmental temperature of the lining gathering and transportation pipeline, an environmental water pressure of the lining gathering and transportation pipeline and an environmental sea wave impact speed of the lining gathering and transportation pipeline.
3. The stress coupling analysis system of the lining gathering and transportation pipeline according to claim 2, wherein the stress coupling evaluation deviation value is obtained by comparison based on the acquired environmental state data set, and the specific analysis process is as follows: Based on the acquired environmental state data set, comprehensively analyzing to obtain an environmental state evaluation value of the lining gathering and transportation pipeline, and comparing the environmental state evaluation value of the lining gathering and transportation pipeline to obtain an analysis basis of the stress coupling evaluation deviation value; and comparing the environmental state evaluation value of the lining gathering and conveying pipeline with the stress coupling evaluation deviation value corresponding to the environmental state evaluation value of each lining gathering and conveying pipeline stored in the database to obtain the stress coupling evaluation deviation value corresponding to the environmental state evaluation value of the lining gathering and conveying pipeline.
4. The lining gathering and transporting pipeline stress coupling analysis system according to claim 1, wherein the comprehensive analysis is based on the acquired lining gathering and transporting pipeline beach environment state data set to obtain beach environment evaluation values, and the specific analysis process is as follows: acquiring a beach sea environment state data set of the lining gathering and conveying pipeline, wherein the beach sea environment state data set of the lining gathering and conveying pipeline specifically comprises an impact force of sea waves of the beach sea environment of the lining gathering and conveying pipeline, an impact force of sea currents of the beach sea environment of the lining gathering and conveying pipeline, an impact force of sea ice of the beach sea environment of the lining gathering and conveying pipeline and a ground settlement shearing force of the beach sea environment of the lining gathering and conveying pipeline; based on the acquired lining gathering and conveying pipeline beach environment state data set, comprehensively analyzing to obtain beach environment evaluation values, wherein the beach environment evaluation values serve as analysis basis for comprehensively analyzing to obtain stress coupling evaluation values.
5. The stress coupling analysis system of the lining gathering and transportation pipeline according to claim 4, wherein the beach environment evaluation value comprises the following specific analysis processes: Wherein β is a beach environment evaluation value, hl is a beach environment sea wave impact force of the lining gathering and transporting pipeline, hu is a beach environment sea wave impact force of the lining gathering and transporting pipeline, hb is a beach environment sea ice impact force of the lining gathering and transporting pipeline, cj is a beach environment ground settlement shearing force of the lining gathering and transporting pipeline, σ 1 is a compensation factor of the beach environment sea wave impact force of the lining gathering and transporting pipeline, σ 2 is a compensation factor of the beach environment sea wave impact force of the lining gathering and transporting pipeline, σ 3 is a compensation factor of the beach environment sea ice impact force of the lining gathering and transporting pipeline, and σ 4 is a compensation factor of the beach environment ground settlement shearing force of the lining gathering and transporting pipeline.
6. The stress coupling analysis system of the lining gathering and transporting pipeline according to claim 1, wherein the comprehensive analysis is based on the acquired corrosion and organism adhesion data set to obtain corrosion and organism adhesion evaluation values, and the specific analysis process is as follows: the method comprises the steps of obtaining a corrosion and organism attaching data set, wherein the corrosion and organism attaching data set specifically comprises a corrosion area of an outer structure of a lining gathering and conveying pipeline, a corrosion area of a lining structure of the lining gathering and conveying pipeline and an organism attaching area of the outer structure of the lining gathering and conveying pipeline; Based on the acquired corrosion and organism adhesion data set, comprehensive analysis is performed to obtain corrosion and organism adhesion evaluation values, and the corrosion and organism adhesion evaluation values are used as analysis basis for comprehensive analysis to obtain stress coupling evaluation values.
7. The stress coupling analysis system of the lining gathering and transporting pipeline according to claim 6, wherein the corrosion and organism adhesion evaluation value is obtained by the following specific analysis process: Wherein γ is an evaluation value of corrosion and biological adhesion, wf is an area of corrosion of an outer structure of the inner lining gathering and transporting pipeline, nf is an area of corrosion of an inner lining structure of the inner lining gathering and transporting pipeline, ws is an area of biological adhesion of an outer structure of the inner lining gathering and transporting pipeline, τ 1 is a compensation factor of the set area of corrosion of the outer structure of the inner lining gathering and transporting pipeline, τ 2 is a compensation factor of the set area of corrosion of the inner lining structure of the inner lining gathering and transporting pipeline, τ 3 is a compensation factor of the set area of biological adhesion of the outer structure of the inner lining gathering and transporting pipeline, and e is a natural constant.
8. The stress coupling analysis system of the lining gathering and transporting pipeline of claim 1, wherein the comprehensive analysis obtains a stress coupling evaluation value, and the specific analysis process is as follows: And introducing the stress coupling evaluation deviation value, the beach environment evaluation value and the corrosion and organism adhesion evaluation value into a stress coupling evaluation model, and comprehensively analyzing to obtain a stress coupling evaluation value which is used as an analysis basis for judging the stress coupling state of the lining gathering and conveying pipeline.
9. The stress coupling analysis system of the lining gathering and transportation pipeline according to claim 1, wherein the stress coupling state of the lining gathering and transportation pipeline is judged based on the stress coupling evaluation value, and the specific analysis process is as follows: comparing the stress coupling evaluation value with a stress coupling reference evaluation value stored in a database; If the stress coupling evaluation value is higher than the stress coupling reference evaluation value, the stress coupling state of the lining gathering and conveying pipeline corresponding to the stress coupling evaluation value is excellent; If the stress coupling evaluation value is equal to the stress coupling reference evaluation value, the stress coupling state of the lining gathering and conveying pipeline corresponding to the stress coupling evaluation value is good; if the stress coupling evaluation value is lower than the stress coupling reference evaluation value, the stress coupling state of the lining gathering pipeline corresponding to the stress coupling evaluation value is poor.
10. A stress coupling analysis method for an inner lining gathering and transportation pipeline, which is characterized by being applied to the stress coupling analysis system for the inner lining gathering and transportation pipeline according to any one of claims 1 to 9, and comprising the following steps: obtaining a stress coupling evaluation deviation value based on the environmental state data set, obtaining a beach environmental evaluation value based on the beach environmental state data set, obtaining a corrosion and organism attachment evaluation value based on the corrosion and organism attachment data set; The stress coupling evaluation deviation value, the beach environment evaluation value and the corrosion and organism adhesion evaluation value are led into a stress coupling evaluation model to obtain a stress coupling evaluation value; And judging the stress coupling state of the lining gathering and conveying pipeline based on the stress coupling evaluation value.

Description

Stress coupling analysis system and analysis method for lining gathering and transportation pipeline Technical Field The invention relates to the technical field of electric data processing, in particular to a stress coupling analysis system and an analysis method for a lining gathering and transportation pipeline. Background Liner gathering pipelines are used in the oil and gas and chemical industry to deliver highly corrosive or high temperature fluids, where safety is critical, as these pipelines are often in environments where it is difficult for humans to directly monitor (e.g., subsea or underground), any structural failure can lead to serious environmental and economic losses, stress coupling analysis helps predict and avoid possible structural problems, and in extreme environments, such as subsea or cold areas, the pipeline can be subjected to complex external influences that can affect the structural integrity of the pipeline and its liner, and research stress coupling analysis systems can help design more robust pipeline systems to resist these complex external pressures. For example, the invention patent with publication number of CN117993236A discloses a cold bend pipe stress analysis correction method for a gas field gathering and transportation pipeline, which is based on a cold bend pipe residual stress distribution rule and finite element quantitative calculation, combines the stress characteristics of the cold bend pipe in the running state of a pipeline system, and according to the basic principle of checking the stress of a buried pipeline and the input and output characteristics of the stress analysis software of the existing buried pipeline system, proposes the idea of using the finite element to simulate the cold bend pipe to obtain residual stress and residual stress, further proposes the idea of using the material stress relation corresponding to the residual stress to obtain the stress value corresponding to the maximum residual stress, further obtains the yield strength correction coefficient, combines the pipeline system stress analysis software to optimize a primary stress calculation method, a primary stress check index, a secondary stress check index and the like, realizes the purposes of coupling the finite element simulation analysis and the stress analysis of the pipeline system, overcomes the defect of the cold bend pipe analysis in the stress analysis of the existing pipeline system, and improves the rationality of the stress analysis of the pipeline system. At present, the research on a stress coupling analysis system of a lining gathering and conveying pipeline has some defects, and the method is characterized in that the traditional analysis method often depends on a simplified physical model and assumption, and also lacks effective data integration capability, so that the prediction of the pipeline behavior under the actual working condition is possibly inaccurate, over-design or resource waste is possibly caused, the material and construction cost is increased, the lack of effective data integration capability means that real-time data from an on-site sensor cannot be fully utilized, and the response speed and decision efficiency to an emergency event are slowed down. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a stress coupling analysis system and an analysis method for a lining gathering and transportation pipeline, which can effectively solve the problems related to the background art. The stress coupling analysis system for the lining gathering pipeline comprises an environment assessment module, a stress coupling assessment module and a stress coupling module, wherein the environment assessment module is used for obtaining stress coupling assessment deviation values based on an environment state data set, obtaining beach environment assessment values based on a beach environment state data set, obtaining corrosion and organism adhesion assessment values based on a corrosion and organism adhesion data set, and the stress coupling assessment module is used for guiding the stress coupling assessment deviation values, the beach environment assessment values and the corrosion and organism adhesion assessment values into a stress coupling assessment model to obtain stress coupling assessment values, and the stress coupling module is used for judging the stress coupling state of the lining gathering pipeline based on the stress coupling assessment values. As a further scheme, the environmental state data set specifically comprises the environmental temperature of the lining gathering and conveying pipeline, the environmental water pressure of the lining gathering and conveying pipeline and the environmental sea wave impact speed of the lining gathering and conveying pipeline. The method comprises the steps of obtaining an environmental state evaluation value of an inner lining gathering and conveying pipeline by comprehensive a