Underwater manifold connecting piece manufacturing technology and underwater manifold connecting piece

Abstract

The invention discloses an underwater manifold connecting piece manufacturing technology and an underwater manifold connecting piece. The underwater manifold connecting piece manufacturing technologyis characterized by comprising the following steps including S10, base material manufacturing, S20, welding stacking covering and S30, detection. The underwater manifold connecting piece manufacturingtechnology and the underwater manifold connecting piece have the beneficial effects that through component design improvement, forging technology control and heat treatment technology are optimized,an ultrafine-grain granular bainite metallographic structure is obtained, the product has high yield strength, good low-temperature toughness, welding performance and other comprehensive performance,the requirements for underwater manifold connecting piece standard and modular production, rapid installation and engineering design are met, the production period is effectively shortened, the quality guarantee is achieved, the corrosion resisting life of the underwater manifold connecting piece in deep sea service is greatly prolonged, and the operational and maintenance cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of offshore petroleum machinery, and in particular relates to a manufacturing technology of a key component of an underwater production system, specifically a manufacturing process of an underwater manifold connector and an underwater manifold connector manufactured using the manufacturing process. Background technique [0002] The underwater production system of offshore oil production engineering is a technology-intensive and highly comprehensive marine engineering technology, involving from materials, processing, manufacturing processes, offshore testing to well completion, oil production, production facilities and submarine pipelines, remote control and maintenance operations A variety of subject areas and professional departments, including There are only a handful of manufacturers in the world capable of manufacturing subsea wellhead systems. The subsea manifold connector is an important part of the d...

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Problems solved by technology

[0003] In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a manufacturing process of underwater manifold connectors and the underwater manifold connectors manufactured using the manufacturing process, so as to solve the problem of the existing underwater manifold connector manufacturing process. cumbersome, difficult construction, high operation and maintenance costs, unstable product quality and other problems, the manufacturing process is optimized, the construction is simple, and the modularization and standardized production of underwater manifold connectors are realized. On the premise of ensuring product size tolerance and quality assurance , which greatly increases its corrosion resistance life in deep sea service

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