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Intelligent umbilical cable for offshore oil and gas transmission and processing technology thereof

A technology for umbilical cables and oil and gas, which is applied in the field of intelligent umbilical cables for offshore oil and gas transmission and its processing technology, and can solve problems such as complex and harsh marine environments and inability to fully guarantee umbilical cables.

Pending Publication Date: 2021-07-30
FAR EAST CABLE +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the complex and harsh marine environment, special materials and structures often need to be considered in the design of umbilical cables, but there is still no guarantee that the umbilical cables will not fail within the specified service life

Method used

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  • Intelligent umbilical cable for offshore oil and gas transmission and processing technology thereof

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Experimental program
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Embodiment 1

[0029] Such as figure 1 As shown, an intelligent umbilical cable for offshore oil and gas transmission includes a first sheath layer 1, a first polyester wrapping layer 2 and a center pipe unit arranged in sequence from outside to inside, and the center pipe unit includes sequentially from outside to inside The second sheath layer 5, the second polyester wrapping layer 6 and the central stranded tube arranged inside the second polyester wrapping layer 6, the first sheath layer 1, the first polyester wrapping layer 2 , the second sheath layer 5 and the second polyester wrapping layer 6 are respectively provided with optical fiber sensors, and the type of optical fiber sensor selected according to actual needs is an optical fiber temperature sensor, an optical fiber pressure sensor and / or an optical fiber humidity sensor, the first polyester Between the wrapping layer 2 and the second sheath layer 5, several first conveying pipes 17 and second conveying pipes 14 are arranged in ...

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Abstract

The invention discloses an intelligent umbilical cable for offshore oil and gas transmission and a processing technology thereof, the umbilical cable comprises a first sheath layer, a first polyester wrapping layer and a central tube unit, and the central tube unit comprises a second sheath layer, a second polyester wrapping layer and a central stranded tube. The first sheath layer, the first polyester wrapping layer, the second sheath layer and the second polyester wrapping layer are provided with optical fiber sensors, a first conveying pipe and a second conveying pipe are circumferentially arranged between the first polyester wrapping layer and the second sheath layer, and the center stranded pipe is formed by stranding a third conveying pipe and a fourth conveying pipe. The outer diameter of the third conveying pipe is larger than that of the first conveying pipe, that of the second conveying pipe and that of the fourth conveying pipe. Nitrogen and seabed oil extraction control liquid are conveyed to an underwater oil well, the operating environment of the umbilical cable is monitored in real time by arranging the optical fiber temperature sensor, the optical fiber pressure sensor and the optical fiber humidity sensor, it is guaranteed that required media are conveyed to the underwater oil well under the safe condition, and the umbilical cable is resistant to corrosion, high in strength, long in service life and easy to replace.

Description

technical field [0001] The invention belongs to the technical field of cables, and in particular relates to an intelligent umbilical cable for offshore oil and gas transmission and a processing technology thereof. Background technique [0002] Due to the complex and harsh marine environment, special materials and structures often need to be considered in the design of umbilical cables, but it is still impossible to fully guarantee that the umbilical cables will not fail within the specified service life. Once a failure occurs, or the operating environment requirements exceed the design parameters of the umbilical cable, it is necessary to immediately adjust the medium transmission channel or operating parameters. How to detect problems in time has always been a problem. Contents of the invention [0003] In order to solve the problems in the prior art, the object of the present invention is to provide an intelligent umbilical cable for offshore oil and gas transmission and...

Claims

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Application Information

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IPC IPC(8): H01B7/02H01B7/17H01B7/28H01B7/32
CPCH01B7/17H01B7/322H01B7/326H01B7/324H01B7/2806H01B7/0216Y02A30/00
Inventor 李林森陈静徐静田崇军夏霏霏沈长春
Owner FAR EAST CABLE
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