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Copyright of Petroleum Geology & Recovery Efficiency is the property of Petroleum Geology & Recovery Efficiency and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Chinese Journal of High Pressure Physics is the property of Chinese Journal of High Pressure Physics Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Harbin University of Science & Technology is the property of Journal of Harbin University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Natural Gas Industry is the property of Natural Gas Industry Journal Agency and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Since 1980s, as the advantage of modular construction technology in avoiding the labor shortage, high human cost and strict environmental requirements of the construction place, some large construction companies of petroleum and natural gas engineering in developed countries have adopted it in quantities of engineer constructions, and their design and construction level both developed rapidly. At present, the modular design technology of large petrochemical industry and natural gas treatment device has not been mastered by domestic design companies. The modular design technology and skids were adopted only in the fields such as oil field ground engineering, medium and small natural gas treatment devices and so on. The scientific and systematic technical system has not been developed. Based on the analysis presented above, the project group of "modular design and construction technology research" of CNPC, based on a project of 300×108 m3/a natural gas treatment plant, has deeply studied the modular design technology, and clearly defined the concepts in the modular design process of petroleum and natural gas devices, including the skid, module, module/skid specification, modularization, module splice, pipe splice, ship loose and so on. The above concepts are rich in content, clear in extension and practical. It can meet the requirements of modular construction process. By analyzing above key concepts, it can help the engineering technicians to understand the basic concepts and principles of modular design, so as to guide them to the correct direction of modular design. [ABSTRACT FROM AUTHOR]

Relying on the nearly six years operational experience of Qijiang branch of Chongqing Natural Gas Purification Plant General, the advantages and disadvantages of process design of the purification device were analyzed, the necessity of process and equipment transformation was discussed, and the specific transformation program was proposed. The operation results have verified the validity of modification scheme. [ABSTRACT FROM AUTHOR]