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    Home > Chemicals Industry > Chemical Technology > Issue 27, 2015 - China's first domestic large-diameter natural gas hose was put into operation

    Issue 27, 2015 - China's first domestic large-diameter natural gas hose was put into operation

    • Last Update: 2022-11-13
    • Source: Internet
    • Author: User
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    It was learned from China National Offshore Oil Corporation that as of July 8, China's first domestic 12-inch large-diameter hose has transported more than 50 million cubic meters
    of natural gas.
    The successful operation of this localized hose has solved the problem of Dongfang 1-1 phase I natural gas pipeline transmission in China's first high-temperature and high-pressure gas field, and promoted the efficient development
    of the gas field.

    The hose is 9.
    7 kilometers long and transports high-temperature and high-pressure natural gas of 80 degrees Celsius and a pressure of nearly 10 MPa in the first phase of Dongfang 1-1 to a nearby gas field for processing
    .
    The original design of Dongfang 1-1 Phase I used 12-inch large-diameter metal composite pipe as a gas pipeline, but this pipeline is laid by large pipelaying ships, which is slow and costly
    .
    Considering various factors, the Zhanjiang branch of CNOOC decided to use a 12-inch domestic hose instead of a 12-inch composite pipe, saving nearly 100 million yuan
    in project investment.
    The successful domestic production of this hose has effectively promoted the upgrading
    of China's pipe making process.
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