Key Technology Breakthrough Bottleneck Large-Diameter High-Pressure Quick-Open Blind Board to Realize Localization

On July 18, it was learned from the Pipeline Machinery Company that a high-tolerance, high-carbon, and high-pressure quick-opening blanking plate with completely independent intellectual property rights was mass-manufactured at this company. This indicates that China's high* oil and gas fields have achieved localization using quick-open blinds.

This is another category of large-diameter high-pressure quick-opening developed for Pu** Field following the successful delivery of a 1200 mm diameter, 10.5 MPa, large-diameter, high-pressure, quick-opening blind plate manufactured for the Jiangsu LNG Pipeline Engineering in June. Blind board.

Large-diameter high-pressure quick-open blind plates are the core components of domestic high-pressure pipeline equipment. Before 2009, 95% of the quick-open blinds used in domestic pipelines were imported, and large-diameter high-pressure quick-open blinds were 100% imported.

As a key equipment for ground gathering and long-distance pipeline projects, the quick-open blind is a high-pressure, corrosion-resistant and fast-opening functional requirement that determines the high technical requirements of the product. In order to ensure the construction of key oil and gas gathering and pipeline projects in China, the Pipeline Machinery Company has taken advantage of pipeline equipment manufacturing and research and development to achieve localization of a series of high-end products such as high-pressure, large-diameter, quick-open blinds.

Pukuda Express Open Blinds will be used for the development of ground gathering and transportation projects in the Dawan Block, Puketian. The natural gas in the project has a high hydrogen content of 16.87%, a carbon dioxide content of 11.87%, and a design pressure of 15 megapascals. The corrosion and high pressure can be a problem in the world of oil and gas recovery. For demanding working conditions, the Pipeline Machinery Company has designed and manufactured 14 sets of safety self-locking quick-opening blind plates with a diameter of 300 mm to 600 mm and a pressure of 15 MPa through material selection, material testing, and corrosion-resistant surfacing process research. , On June 17th, 21.6 MPa water and 20 15 MPa fatigue tests were conducted, which broke the “bottleneck” in the construction of large-diameter high-pressure quick-open blinds in pipeline construction.

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