TY - BOOK AU - Kharionovsky,V.V ED - International Gas Union, IGU ED - World Gas Conference (23rd. : 2006 jun 5-9 : Amsterdam, The Netherlands) TI - EXTENSION OF SERVICE LIFE OF GAS MAINS: CONCEPTION, INVESTIGATIONS AND PRACTICAL RESULTS N1 - Consulte por la disponibilidad de este documento N2 - A new problem related to the extension of service life and analysis of safe operation of longdistance gas pipelines is highlighted. A complex of analytical, calculation and instrumental investigations have been carried out. These investigations have allowed to develop appropriate scientific-methodical documentation. An express method for predicting service life that enables, depending on executive documentation, to obtain an approximate assessment of technical status have been developed. This assessment allows to schedule dates and content of inspection and repair works. A system of setting periods of safe operation including amortization and base periods and period of operation by technical status and final period is suggested on the basis of the above developments ER -