Fault diagnosis method and system for digital twin-driven offshore oil underwater production system

A production system and offshore oil technology, which is applied in the directions of reasoning method, database update, structured data retrieval, etc., can solve the problems of difficult operation, complex structure of underwater production system, high cost and high cost, so as to ensure production safety and high failure rate. The effect of diagnostic accuracy

Active Publication Date: 2020-11-20
CHINA UNIV OF PETROLEUM (EAST CHINA)
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AI Technical Summary

Problems solved by technology

[0003] The structure of the underwater production system is complex and the working environment is harsh. Once a failure occurs, it will cause huge economic losses and serious environmental pollutio

Method used

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  • Fault diagnosis method and system for digital twin-driven offshore oil underwater production system
  • Fault diagnosis method and system for digital twin-driven offshore oil underwater production system
  • Fault diagnosis method and system for digital twin-driven offshore oil underwater production system

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Example Embodiment

[0036] Such as figure 1 As shown, the digital twin-driven offshore oil underwater production system fault diagnosis method includes three steps: digital twin establishment, digital twin tracking and updating, and fault diagnosis reasoning model establishment.

[0037] The specific steps for establishing a digital twin are:

[0038] S101: Establish a geometric model for the hardware equipment of the offshore oil underwater production system. The model includes the appearance characteristics, size characteristics, structural characteristics and assembly relations of the equipment;

[0039] S102: Establish a physical model of the offshore oil underwater production system. The specific implementation of this step is as follows:

[0040] ①Establish a physical model of the electrical components of the offshore oil underwater production system, which includes power supply system parameters, main control system configuration, signal transmission parameters and I / O channel parameters;

[0041] ②...

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Abstract

The invention belongs to the field of petroleum engineering, and particularly relates to a fault diagnosis method and system for a digital twin-driven offshore oil underwater production system. The fault diagnosis method for the digital twin-driven offshore oil underwater production system comprises three steps of digital twin body establishment, digital twin body tracking and updating and fault diagnosis reasoning model establishment. The fault diagnosis system for the digital twin-driven offshore oil underwater production system comprises seven parts: a data collection and analysis subsystem, a water control module data acquisition and processing subsystem, a hydraulic power unit data acquisition and processing subsystem, an electric power unit data acquisition and processing subsystem,an underwater control module data acquisition and processing subsystem, an underwater control module electronic module group data acquisition and processing subsystem and an underwater Christmas treedata acquisition and processing subsystem.

Description

technical field [0001] The invention belongs to the field of petroleum engineering, and in particular relates to a method and system for fault diagnosis of an offshore oil underwater production system driven by a digital twin. Background technique [0002] The subsea production system is one of the key facilities for exploiting deepwater oil and gas fields, and has been widely used in the development of deepwater oil and gas fields all over the world. The subsea production system is mainly composed of subsea wellhead, Christmas tree, jumper pipe, subsea pipeline, umbilical cable and control system. Through the remote control of the control system, the oil and gas produced by the oil and gas well can be transported from the seabed to the supporting equipment or onshore. on the terminal. The underwater production system can not only improve the recovery rate, solve the problems of oil well output processing and transportation, but also be less affected by the sea level enviro...

Claims

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Application Information

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IPC IPC(8): G06F30/27G06N5/04G06N7/00G06F16/23G06F111/08
CPCG06F30/27G06N5/04G06F16/2379G06F2111/08G06N7/01
Inventor 蔡宝平孔祥地刘永红邵筱焱杨超李文超褚政德赵祎高春坦张妍平刘增凯纪仁杰张彦振李小朋
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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