FBG Sensing Technology for Strain Monitoring of Production Equipment in Oil and Gas Industry

The oil and gas industry is a vital sector that plays a crucial role in meeting global energy demands. It involves various processes such as drilling, exploration, production, transportation, and refining. These processes require sophisticated equipment that operates under extreme conditions, such as high temperatures, pressure, and mechanical stress. Therefore, the continuous monitoring of these production equipment is critical to prevent accidents and ensure optimal performance. In this article, we will discuss the problems that fiber grating sensing technology can solve,and how Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS ) can support strain monitoring of production equipment in the oil and gas industry.

Fiber Bragg Grating Sensing Principle:

Fiber Bragg gratings (FBGs) are periodic structures that are inscribed in the core of an optical fiber. These structures reflect a specific wavelength of light that is determined by the periodicity of the grating. When the grating is subjected to mechanical or thermal strain, the reflected wavelength changes in a predictable manner. By monitoring the reflected wavelength, changes in strain, temperature, and other parameters can be detected. FBG sensors can be used to monitor a wide range of parameters, including strain, stress, temperature, and vibration.

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Fiber Bragg Grating Sensing Principle - FBG Principle - FBG Sensor Principle - FBG Temperature Strain Stress Vibration Shape Sensing Principle

Challenges in Strain Monitoring of Production Equipment in the Oil and Gas Industry:

The oil and gas industry faces various challenges when it comes to monitoring the strain in production equipment. One of the significant challenges is the harsh operating conditions under which the equipment operates. The equipment is exposed to extreme temperatures, pressure, and mechanical stress, which can affect the accuracy and reliability of the strain measurement. Another challenge is the need for continuous monitoring, as the equipment's performance can change rapidly due to various factors, such as the flow rate, pressure, and temperature of the fluid being processed.

Physical Diagram of OFSCN® High-Range Fiber Bragg Grating (FBG) Strain Sensor (Strain Gauge) - Single-ended, Length 1m­­

Physical Diagram of OFSCN® Capillary Seamless Steel Tube Single-ended FBG Strain Sensor/FBG Strain Gauge­­

What Problems Can Be Solved by FBG Sensing Technology:

Fiber grating sensing technology provides a reliable and accurate solution for strain monitoring of production equipment in the oil and gas industry. By using FBG sensors, the strain can be monitored in real-time, providing a detailed understanding of the equipment's mechanical behavior. This can help operators detect potential problems before they occur and prevent catastrophic failures that can lead to downtime, loss of production, and safety hazards. Additionally, the FBG sensors are immune to electromagnetic interference and can operate over long distances, making them suitable for monitoring equipment in remote locations.

Recommended fiber grating strain sensors:

1500με Fiber Bragg Grating Strain Sensor - FBG Strain Gauge - Metal Encapsulation - High Temperature FBG Strain Sensor

The product is a fiber Bragg grating strain sensor (FBG strain gauge) encapsulated in seamless steel tube, used for strain measurement. In most cases, it is a single-point single-ended structure, or it can be produced as a multi-point single-ended structure. In a few cases, it can also be a double-ended structure. The deployment method of the product depends on the supporting fixtures, which can be directly inserted into the test object, or installed by surface welding with corresponding fixtures, bolted with drilled holes for fixation, adhesive surface mounting, tied with straps for fixation, or fixed with clamps, among various installation methods. This product is a basic structural product, which can be calibrated as a FBG displacement sensor, or used as a FBG stress sensor.

Product Summary:

The OFSCN® Capillary Seamless Steel Tube Fiber Bragg Grating Strain Sensor (FBG strain gauge) is composed of fiber optic connectors (FC, SC, LC, ST, etc.), stainless steel seamless tubes, and single-point FBG encapsulation.

It can also be customized as a high-temperature resistant fiber Bragg grating strain sensor.

This product features a small size, lightweight, high tensile and compressive strength, waterproof, moisture-proof, and fully sealed characteristics. By utilizing the strain characteristics of the FBG, this sensor can be inserted, clamped, surface-mounted, glued, or embedded into the measured structure to perform strain detection and monitoring.

6000με Fiber Bragg Grating Strain Sensor - FBG Strain Gauge - polymer material packaging - metal protection strain sensor - range 6000με/8000με

This product is a high-range fiber bragg grating strain sensor (FBG strain gauge) used for strain measurement. It can be used in a single-ended structure, where it is inserted into the object to be measured for strain measurement. It can also be used in a double-ended structure, where it is fixed with a fixture or bonded directly to the surface for strain measurement, enabling multi-point strain measurement when connected in series. The structure of this product is the same as that of fiber bragg grating stress sensors.

Product Overview:

The OFSCN® high-range fiber bragg grating strain sensor (FBG strain gauge) consists of fiber connectors (FC, SC, LC, ST, etc.), high elastic materials, and single-point FBG encapsulation. Depending on the materials used, it can work at room temperature or a maximum high temperature of 120 degrees Celsius (customizable upon request).

This product is characterized by its small size, light weight, high tensile and compressive strength, waterproof and moisture-proof properties, and full sealing. By utilizing the strain characteristics of FBG, this sensor can be inserted, welded, bonded, or adhered to the internal or surface of the test structure for strain detection and monitoring.

Beijing Dacheng Yongsheng Technology Co., Ltd.:

Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS) is a professional manufacturer of fiber grating sensors, fiber grating demodulators and system software. Specializing in the production of various fiber grating sensors, including temperature, strain, stress, displacement, vibration, shape sensors, etc. DCYS also produces fiber grating demodulators, and can customize and develop related application software.

Recommended fiber grating demodulator:

Fiber Bragg Grating Demodulator - Fiber Optic Grating Interrogator - High-Speed/Frequency FBG Analyzer

This product is produced by DCYS, and it is a high-speed high-frequency fiber Bragg grating demodulator(Interrogator). The fiber grating demodulator is compatible with various specifications and models of OFSCN® fiber bragg grating sensors (temperature, strain, stress FBG sensors, etc.). It features adjustable port density (4, 8, 12, 16 channels) and high-speed high-refresh rate capabilities.

DCYS Supports Strain Monitoring of Production Equipment in Oil and Gas Industry:

DCYS can help the oil and gas industry to solve some problems of strain monitoring in production equipment by providing reliable and accurate FBG sensors that can operate under harsh environmental conditions. DCYS's sensors can be customized to meet specific application requirements, such as high-temperature or high-pressure environments, and can be integrated into existing monitoring systems. Additionally, DCYS offers a range of software solutions that can be used to analyze the data collected by the FBG sensors, providing valuable insights into the equipment's performance.

大成永盛光纤光栅传感监测系统框图

大成永盛光纤光栅传感监测系统框图

Other Points Need to Be Clarified:

In conclusion, fiber grating strain sensors have become an essential tool in the oil and gas industry for monitoring production equipment. These sensors provide accurate and reliable data on the structural health of the equipment, allowing for early detection of potential failures and improving overall safety. With the support of Beijing Dacheng Yongsheng Technology Co., Ltd., the use of fiber grating sensing technology is expected to continue to grow in the oil and gas industry.

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