Prospects for development of joints of deep-water vertical pipes of large diameter (reisers). Threaded connections of raisers

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Authors: T.A. Kuznetsova, K.A. Ziborov, L.I. Chernukha, V.N. Maryenko
 
When drilling and extracting minerals from deep sea they use standpipe compose from pipes of 12 meters length. It has been analyzed 1,200 domestic and foreign patents. There are only a few types of pipe connections acceptable for use in given conditions. Particularly promising fittings are those with trapezoidal, rectangular, round, special thread profile and with rounded edges to minimize stress concentration and with blocking devices. It has been presented the data about the special thread profile giving almost uniform distribution of load along threaded surface.
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2010_06 Kuzn
Date 2012-12-14 Filesize 381.34 KB Download 990

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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