Transneft Far East Completes In-Line Inspection of ESPO-2

Source: 6/2/2021, Location: Asia

Transneft Far East has completed the in-line inspection of Phase II of the Eastern Siberia – Pacific Ocean (ESPO-2) oil trunk pipeline (OTP) in 3 regions of Far Eastern Federal District

The inspection was carried out in Amur Region, Khabarovsk and Primorye Territories in accordance with the annual schedule as part of the combined diagnostic inspection programme of Transneft’s facilities. The diagnostics involved in-line inspection tools (PITs) developed and manufactured by Transneft Diascan. The work was performed during May.

In Amur Region, 571 km of ESPO-2 were surveyed at a section between oil pumping station (PS) No. 21 and PS No. 27. In the diagnostics, inspection tools were used to determine the pipeline position. In Khabarovsk and Primorye Territories, a multichannel geometry tool with the PRN-R inertial navigation system tested 652 km of the pipeline at a section between PS 34 and PS 41.

These tools detect and measure possible changes in the pipeline geometry: displacements, bends, turns. In addition, they determine the coordinates of the oil pipeline axis.

In 2021, in the area of responsibility of Transneft Far East, according to the in-line inspection schedule, 2,047 km of ESPO-2 will be inspected, as well as 2 standby legs of a trunk pipeline underwater crossing via rivers.

Systematic OTP in-line inspections allow monitoring the state of the line in dynamics, effectively planning the tasks of the technical upgrading, revamping and overhaul programme, increasing the reliability of operation of the company’s operating facilities.

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