Transneft Diascan, JSC conducted diagnostics of 37.7 thousand km of oil trunk pipelines (OTPL) of Transneft, JSC in January — September 2015 using pipeline inspection gadgets. These showings meet the diagnostic test plan of OTPL of Transneft, JSC for 2015 to the full extent. The main part of the works was conducted at pipelines of Transneft East, LLC (9.1 thousand km), Transneft Volga Region, JSC (6.26 thousand km) and Transneft Far East, LLC (4.1 thousand km).
In addition 3.3 thousand km of oil product trunk pipelines (OPTP) were diagnosed in January — September this year. Almost half of the works was conducted at Transneft Baltic, LLC facilities, where 1.5 thousand km were examined with intelligent pigs.
As a result of the diagnostics 474 technical reports were prepared, including as regards OTPL — 426 reports, as regards OPTP — 48 reports. On the basis of these documents condition of the examined pipelines was declared satisfactory. Defects detected in the process of diagnosing are being eliminated in the process of the planned repair works.
Pipeline diagnostic tests of more than 52 thousand km of oil trunk pipelines and 5.9 thousand km of oil product trunk pipelines of Transneft, JSC are planned for 2015 in total.
Transneft Diascan, JSC diagnoses pipelines from 159 mm to 1,220 mm with the help of own-produced pipeline inspection gadgets (PIGs): geometry tools, ultrasound, magnetic, combined magnetic and combined magnetic and ultrasound defectoscopes. As regards their engineering factors PIGs produced by Transneft Diascan, JSC have no equals in the world. The main task of the enterprise is to provide the engineering reliability of Transneft, JSC oil pipeline system.