Згасання звуку в міжтрубному просторі свердловин

• Date: 2011
• Main Authors: Danylov, V. Ia., Naumenko, I. Ia., Kyzyma, V. I., Klymenko, S. M.
• Format: Article
• Language: Ukrainian
• Published: The National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" 2011
• Online Access: http://journal.iasa.kpi.ua/article/view/106418
• Journal Title: System research and information technologies

Major kind of sound attenuation in wells annulus resulted from boundary of friction the environment at the wells of the waveguide of the "pipe in pipe" type is considered. An analytic expression for its calculation and the experimental data required for the development of electronic equipm...