CN216482979U - Settlement and inclination monitoring device for offshore oil platform - Google Patents

Abstract

The utility model provides a device for monitoring settlement and inclination of an offshore oil platform, wherein the device comprises a static leveling device, a static leveling device and a static leveling device, wherein the static leveling device is arranged on the offshore oil platform and is used for measuring the vertical displacement of the offshore oil platform; the strain gauge is arranged on a crane or target equipment of the offshore oil platform and used for measuring structural deformation of a target structure; the fiber grating demodulator is connected with the static force level sensor and the strain gauge through optical cables and used for converting optical signals into electric signals to transmit measurement data; and the data processor is in communication connection with the fiber grating demodulator and is used for receiving the transmission data and analyzing and processing the data. According to the device for monitoring the settlement and inclination of the offshore oil platform, the structural deformation data of the platform are acquired by the sensor and processed to obtain the analysis result, a large amount of labor can be saved, the production/life on the offshore oil platform is reliably guaranteed, and a data basis is provided for the structural evaluation of the platform.

Description

Offshore oil platform settlement and tilt monitoring device

technical field

The utility model relates to the technical field of marine platform monitoring, in particular to a monitoring device for settlement and inclination of an offshore oil platform.

Background technique

In the offshore engineering industry, the offshore oil platform is the carrier of production/life, and the stability/reliability of the platform structure is related to the stability of production and the safety of personnel.

The monitoring of subsidence and inclination of offshore oil platforms can monitor the subsidence and inclination of the entire offshore oil platform in real time, comprehensively and automatically, and directly carry out all-round, all-weather and automated monitoring and early warning of the subsidence and inclination of the source of displacement of the platform. In addition, Usually, the in-service offshore oil platform decides whether to abandon it according to its service life. By monitoring settlement and inclination, the stability of the platform can be understood in real time, which is of great significance for the extension of the service life and its safety assessment.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of the present utility model is to provide an offshore oil platform settlement and tilt monitoring device, which is used to solve the problems of offshore oil platform settlement and tilt monitoring in the prior art.

In order to achieve the above purpose and other related purposes, the present utility model provides an offshore oil platform settlement and tilt monitoring device, the device includes: a static level device, which is arranged on the offshore oil platform and is used for measuring the offshore oil platform. vertical displacement; strain gauge, set on the crane or target equipment of the offshore oil platform, used to measure the structural deformation at the target structure; fiber grating demodulator, connecting the static level sensor and the The strain gauge is used for converting optical signals into electrical signals to transmit measurement data; the data processor is connected in communication with the fiber grating demodulator, and is used for receiving the transmission data and analyzing and processing the data.

In an embodiment of the present invention, the static leveling device is also used to measure the vertical displacement of the target structure on the offshore oil platform.

In an embodiment of the present invention, the static level device is composed of a static level sensor, a water tank and a three-way pipe. One end of the static level sensor is located in the water tank, and the other end is connected to the optical fiber through an optical cable. Raster demodulator connection.

In an embodiment of the present invention, each of the water tanks is connected by one of the three-way pipes, wherein a branch water pipe of the three-way pipe is communicated with the water tank.

In an embodiment of the present invention, the water tank is further provided with a liquid replenishing port.

In an embodiment of the present invention, the static level device is arranged on the force beam of the offshore oil platform, and the measurement range is 0-200mm.

In an embodiment of the present invention, four strain gauges are arranged on the peripheral wall of the crane of the offshore oil platform, and the distance between adjacent strain gauges is a fixed value.

In an embodiment of the present invention, the data processor is further configured to save the processing result.

In an embodiment of the present invention, the data processor is also connected in communication with an external terminal.

As mentioned above, the monitoring device of the subsidence and tilt of the offshore oil platform of the present invention uses the sensor to collect the structural deformation data of the platform and process it to obtain the analysis result, which can save a lot of labor and provide a reliable guarantee for the production/life on the offshore oil platform. It provides a data basis for the structural evaluation of the platform.

Description of drawings

1 shows a schematic structural diagram of an offshore oil platform settlement and tilt monitoring device in an embodiment of the present invention;

2 shows a schematic structural diagram of a static leveling device in an embodiment of the offshore oil platform settlement inclination monitoring device of the present invention;

3 is a schematic diagram showing the installation of a static leveling device in an embodiment of the offshore oil platform settlement inclination monitoring device of the present invention;

FIG. 4 is a schematic diagram showing the installation of strain gauges in an embodiment of the apparatus for monitoring subsidence and inclination of an offshore oil platform of the present invention.

Detailed ways

The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other under the condition of no conflict.

It should be noted that the drawings provided in the following embodiments are only to illustrate the basic concept of the present invention in a schematic way, and only the components related to the present invention are shown in the drawings instead of the number of components in the actual implementation, In the drawing of shape and size, the type, quantity and proportion of each component can be arbitrarily changed in actual implementation, and the component layout may also be more complicated.

Please refer to FIG. 1 , in an embodiment of the utility model, the subsidence and tilt monitoring device 10 of the offshore oil platform of the present utility model includes:

A static leveling device 11, arranged on the offshore oil platform, is used to measure the vertical displacement of the offshore oil platform;

The strain gauge 12 is arranged on the crane or the target device of the offshore oil platform, and is used for measuring the structural deformation at the target structure;

The fiber grating demodulator 13 is connected to the static level sensor 11 and the strain gauge 12 through an optical cable, and is used for converting optical signals into electrical signals to transmit measurement data;

The data processor 14, connected in communication with the fiber grating demodulator 13, is used for receiving the transmission data and analyzing and processing the data.

It should be noted that the static leveling device 11 is installed at the stress node position of the stressed beam, and is used to measure the vertical displacement of the target structure on the offshore oil platform. The vertical displacement of the offshore oil platform can be obtained, and the structural deformation of the measurement position can be obtained through the strain gauge 12 arranged on the crane or the target device to obtain corresponding deformation data, wherein the target device, such as For the drilling and repairing machine of the offshore oil platform, the strain gauge can be installed at the corresponding structural node position to measure the structural deformation of the target structure. Since the measured values are all propagated through the optical cable, the application also provides the optical fiber grating. The demodulator 13 is used to convert the optical signal into an electrical signal for transmission to the data processor 14. After the data processor 14 receives the measurement data, it analyzes it. It is worth mentioning that the data processing The data processor 14 is also connected in communication with an external terminal, and the data processor 14 is further configured to save the processing result, so that the external terminal can obtain the corresponding processing result. Preferably, the fiber grating demodulator 13 can be installed in a field junction box or a panel cabinet according to different measurement positions and measurement ranges, or can be installed in a computer room near the platform.

Further, the static level device 11 is composed of a static level sensor 1, a water tank 2 and a three-way pipe 3. One end of the static level sensor 1 is located in the water tank 2, and the other end is connected to the fiber grating through an optical cable. The demodulator 13 is connected.

It should be noted that the static level sensor 1 is a fiber grating sensor, which has the characteristics of anti-electromagnetic interference, high stability, low transmission loss, large transmission capacity, good electrical insulation performance, corrosion resistance, small size and light weight. , suitable for use in complex environmental conditions of high salinity, humidity, flammability and explosion of offshore oil platforms.

It should be noted that, as shown in FIG. 2 , each of the water tanks 2 is connected by a three-way pipe 3 , wherein the branch water pipe 4 of the three-way pipe is communicated with the water tank 2 , The interface of the other two in the three-way pipe 3 is connected to the main line water pipe 5. According to the principle of the connector, the liquid level of each of the water tanks 2 can be kept on a plane, which can be measured under the same reference conditions. Irregular deformation of various parts.

Further, the water tank 2 is also provided with a liquid replenishing port 6 .

It should be noted that the slight liquid level change caused by the evaporation of the liquid will not have a great impact on the measurement, and it can be replenished regularly and quantitatively through the liquid replenishment port 6, but leakage or pipeline damage may lead to a large change in the liquid level. , has a great impact on the measurement, and can be replenished in time through the fluid replenishment port 6 .

Further, the static leveling device 11 is arranged on the stress beam of the offshore oil platform, and the measurement range is 0-200mm.

It should be noted that, as shown in FIG. 3 , it is a schematic structural diagram of the static leveling device 11 disposed on the stress beam of the offshore oil platform, wherein the direction of the arrow indicated by the number “01” is the The installation location of the static leveling device.

Further, four strain gauges 12 are arranged on the peripheral wall of the crane of the offshore oil platform, and the distance between adjacent strain gauges 12 is a fixed value.

It should be noted that the strain gauge 12 is mainly used to measure the structural deformation of the crane on the platform or the location of the large equipment (such as drilling and repairing machine, mud pump), as shown in FIG. Around the structural column of the hoist, one strain gauge 12 is installed every 90°, that is, four strain gauges 12 are installed on each hoist.

To sum up, the utility model can use the sensor to collect the structural deformation data of the platform and process it to obtain the analysis result, which can save a lot of labor, provide a reliable guarantee for the production/life on the offshore oil platform, and provide the structural evaluation of the platform. It can provide strong support for the structural adjustment and innovation of offshore oil platforms.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims (9)

1. an offshore oil platform settlement inclination monitoring device, is characterized in that, comprises: a static leveling device, arranged on the offshore oil platform, for measuring the vertical displacement of the offshore oil platform; Strain gauges, arranged on the crane or target equipment of the offshore oil platform, are used to measure the structural deformation at the target structure; A fiber grating demodulator, connecting the static force level sensor and the strain gauge through an optical cable, for converting optical signals into electrical signals to transmit measurement data; A data processor, connected in communication with the fiber grating demodulator, is used for receiving the measurement data and analyzing and processing the data. 2 . The monitoring device for subsidence and inclination of an offshore oil platform according to claim 1 , wherein the static level device is further used to measure the vertical displacement of the target structure on the offshore oil platform. 3 . 3. The monitoring device for subsidence and tilt of an offshore oil platform according to claim 2, wherein the static level device is composed of a static level sensor, a water tank and a three-way pipe, and one end of the static level sensor is located in the In the water tank, the other end is connected to the fiber grating demodulator through an optical cable. 4. The monitoring device for subsidence and inclination of an offshore oil platform according to claim 3, wherein each of the water tanks is connected by one of the three-way pipes, wherein the branch water pipes of the three-way pipes are connected to each other. communicated with the water tank. 5 . The monitoring device for settlement and inclination of an offshore oil platform according to claim 4 , wherein the water tank is further provided with a liquid replenishing port. 6 . 6 . The monitoring device for subsidence and inclination of an offshore oil platform according to claim 1 , wherein the static level device is arranged on the stressed beam of the offshore oil platform, and the measurement range is 0-200 mm. 7 . 7 . The monitoring device for subsidence and inclination of an offshore oil platform according to claim 1 , wherein four strain gauges are arranged on the peripheral wall of the crane of the offshore oil platform, and the distance between adjacent strain gauges is 4. 8 . is a fixed value. 8 . The monitoring device for subsidence and inclination of an offshore oil platform according to claim 1 , wherein the data processor is further configured to save processing results. 9 . 9 . The monitoring device for subsidence and inclination of an offshore oil platform according to claim 1 , wherein the data processor is also connected to an external terminal for communication. 10 .

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