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Marine deepwater oil gas pipeline axial push type hydraulic driving quick joint device

A technology of oil and gas pipelines and joint devices, which is applied in the direction of couplings, engine components, engine seals, etc.

Inactive Publication Date: 2019-07-30
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to effectively solve the problem of quick connection of marine deepwater oil and gas pipelines and overcome the defects and deficiencies of existing underwater pipeline quick connector devices, the purpose of the present invention is to provide a shaft-push hydraulically driven quick connector suitable for connecting marine deepwater oil and gas pipelines. Joint device

Method used

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  • Marine deepwater oil gas pipeline axial push type hydraulic driving quick joint device
  • Marine deepwater oil gas pipeline axial push type hydraulic driving quick joint device
  • Marine deepwater oil gas pipeline axial push type hydraulic driving quick joint device

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Embodiment Construction

[0039] exist figure 1 Among them, the offshore deep-water oil and gas pipeline shaft-push hydraulically driven quick joint device is composed of a docking device 1, a sealer 2, a locking positioner 3, a hydraulic shaft pusher 4 and a shaft pusher base 5. The quick joint device adopts metal seals and non-woven Metal seals are combined, and the underwater axial positioning operation and underwater docking operation are carried out sequentially according to the docking device 1, the hydraulic shaft thruster 4 and the shaft thruster base 5, and the underwater positioning operation is carried out through the sealer 2 and the locking positioner 3 at the same time. The underwater sealing connection operation after the lower docking operation, thereby realizing the quick docking and sealing between the quick coupling device and the underwater pipeline 6 .

[0040] exist figure 1 Among them, the docking device 1, the sealer 2, the locking positioner 3 and the shaft pushing base 5 of t...

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Abstract

The invention provides a marine deepwater oil gas pipeline axial push type hydraulic driving quick joint device, and is applied to underwater connection of deepwater oil and gas pipelines. The quick joint device sequentially carries out underwater axial positioning operation and underwater butt joint operation according to a butting device, an axial push base body and a hydraulic shaft pusher, theunderwater sealing connection operation is carried out through a sealer and a locking positioner, rapid butt joint and sealing of the quick joint device and an underwater pipeline are realized, the hydraulic shaft pusher provides driving force, the axial pushing base body realizes the axial positioning of the butting device according to the axial pushing and positioning mechanism and serves as asupporting point for axially pushing the butting device, the butting device is connected to the pipe end of the underwater pipeline according to the column surface slideway between an annular cavity and the underwater pipeline, and the locking positioner is used for completing the axial fixing connection of the butting device at the pipe end of the underwater pipeline according to the power provided by an oil inlet manifold and a locking and positioning mechanism and a locking and anchoring mechanism. The sealer completes the metal sealing between the underwater pipeline and the butting deviceaccording to the power supplied by the oil inlet manifold and the sealing and anchoring mechanism.

Description

technical field [0001] The invention relates to a joint device of an underwater oil and gas pipeline, in particular to a shaft-push hydraulically driven quick joint device for connecting an ocean deep water oil and gas pipeline. Background technique [0002] In the underwater production system of marine engineering, the deep water oil and gas pipeline is a very important oil and gas transportation equipment. In engineering practice such as oil field, marginal oil field and underwater pipeline maintenance. [0003] At present, in the construction of domestic underwater pipeline projects, the connectors and quick connectors used for the connection of offshore deepwater oil and gas pipelines are usually designed by foreign companies, and the software, hardware, and even construction tools are also purchased or rented from foreign companies. Representative products are UNITECH Subsea in Norway, FMC Technologies and Oceaneering in the United States, and VIPER Subsea in the Unite...

Claims

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Application Information

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IPC IPC(8): F16L37/092F16L37/04F16J15/08F16J15/10
CPCF16J15/0881F16J15/10F16L37/06F16L37/0925
Inventor 刘新福王优强张平周超石云何鸿铭
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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