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Development Potential in Energy Saving

Date of publication: 9 November 2021

The conscious use of energy has become a major factor in increasing the economic efficiency of dynamic industries. Reducing energy costs is a challenge to be addressed comprehensively.  Transneft East reviews the results of its ongoing energy saving programme every quarter since 2011. During nine months of this year, ca. RUB 40 million have been saved as a result of gradual reduction of costs on the items directly and indirectly involved in the oil transportation process.

“Most of the savings come from regular pigging of the inner surface of our pipelines,” comments Aleksey Vinogradov, Chief Power Engineer at Transneft East. "It helps reduce the resistance of crude oil flowing over the pipe and cut energy costs needed for oil transportation.

In addition, energy savings are achieved through reduced consumption of fuel and lubricants, diesel boiler fuel and electricity. During the three quarters of this year, about 12.4 million kWh of electricity or 116 tonnes of oil equivalent were saved on these items.

Transneft East also saved RUB 12.4 million in January-September 2021 by optimising the transportation process. The Company measures the efficiency factor of the pump units, to credibly assess the effectiveness of the crude oil transportation regimes used, as well as the energy efficiency of its pumping equipment. Four of the Company's 28 oil pumping stations (PS) recently completed such studies.

“We worked with specialists of Transneft R&D at Rechushka PS-4, Talakan PS-10 and Olyokminsk PS-14 of the Eastern Siberia-Pacific Ocean (ESPO) trunk pipeline, where we measured the efficiency factor of all 12 pump units. Two booster pumps at the Nizhneudinsk oil pumping station of the Krasnoyarsk – Irkutsk oil pipeline were inspected,” says Artem Sadokhin, Deputy Chief Mechanic at Transneft East. “The results confirmed that the equipment meets modern requirements.” 

In addition to timely inspections, the use of equipment with improved energy-saving performance is among the factors that help consume the resources rationally. This year, as part of the energy efficiency programme, four block-modular boiler-houses have been overhauled at ESPO facilities in the Republic of Sakha (Yakutia).

The modules were manufactured at Transneftemash. Each of them is fully autonomous, equipped with a set of all necessary high energy efficiency equipment, automation and control systems, water treatment systems and metering devices to measure the resources consumed.

“During the short northern summer, we installed two new boilers and two burner units at each of the three oil pumping stations and replaced one boiler and two burner units at the Dzhalinda custody transfer point. This equipment uses liquid fuel (crude oil) and is capable of operating in the difficult Yakutia climate, where outside temperatures can be as low as minus or plus 50°C with relative humidity reaching 90%,” says Mikhail Dmitriev, Deputy Director for Construction at the Neryungri Regional Oil Pipeline Directorate. “The works performed will save fuel and increase the reliability of the heat supply system at all oil pumping stations.” 

Energy costs in the industry can be cut with a mandatory precondition: the optimisation must be justified and affect only those areas where the reduction is acceptable and will not take a toll on the main activity, which is oil transportation. An acceptable threshold for energy cost reduction is set annually for all business units of the Company.

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