The Dzhubga – Lazarevskoye – Sochi gas pipeline is 171.6 kilometers long, with about 90 per cent of its route running across the Black Sea some 4.5 kilometers off the coast at depths of down to 80 meters.
The offshore section of Dzhubga – Lazarevskoye – Sochi entered construction in March 2010 and was completed in June 2010. It stretches from the Dzhubga settlement across the Black Sea to the Kudepsta gas distribution station in Sochi.
The gas pipeline’s landfalls are located near the Dzhubga, Novomikhailovsky, Tuapse and Kudepsta population centers. Directional drilling was used to construct the landfalls and lay the pipes.
The trunkline consists of 530-millimeter-diameter pipes made of high strength steel. Their wall thickness varies from 15 millimeters for the offshore and 11.3 millimeters for the onshore section.
In order to design the Dzhubga – Lazarevskoye – Sochi offshore gas pipeline, a sophisticated and unique facility, experts developed and approved special specifications taking into account the region’s complex geological and seismic conditions and the need to minimize impacts on the environment and coastal resort areas.
The service life of Dzhubga – Lazarevskoye – Sochi is estimated at 50 years.
Gazprom is a global energy company focused on geological exploration, production, transportation, storage, processing and sales of gas, gas condensate and oil, as well as generation and marketing of heat and electric power.
Gazprom is the main gas supplier in the Russian market and one of the largest gas exporters in the world. The Company’s strategic goal is to establish itself as a leader among global energy companies.
PeterGaz, a Gazprom Group company, is focused on oil and gas facilities construction management. The company participated in a number of large-scale construction projects such as the Blue Stream, Nord Stream and Sakhalin – Khabarovsk – Vladivostok gas trunklines, as well as the submerged crossing of Baidarata Bay in the Yamal Peninsula.
PeterGazEngineering is a subsidiary of PeterGaz. The company specializes in oil and gas facilities design, as well as engineering surveys for gas infrastructure construction and pre-development of offshore fields.
Stroygazmontazh is one of Russia’s leading companies focused on construction operations in the oil and gas sector. Stroygazmontazh is among Gazprom’s key contractors. The company is the leader of SGM Group, which is engaged in energy infrastructure construction and equipment manufacturing.
Offshore pipeline subcontractor
Grup Servicii Petroliere (GSP), member of Upetrom Group (Romania), is engaged in oil field development. GSP carries out offshore drilling and ancillary services. The company contributed to the commissioning of oil and gas fields in the Persian Gulf, on the Greek continental shelf of the Aegean Sea, and on the Romanian, Turkish and Bulgarian continental shelves of the Black Sea.
Onshore pipeline subcontractor
Krasnodargazstroy is a company focused on laying pipelines of all types. Since 2003, the company has constructed over 60 regional gas distribution facilities (inter-settlement gas pipelines), infrastructure facilities for their operation, and gas distribution stations as part of the Russian Regions Gasification Program.
Directional drilling subcontractors
SP VIS-MOS is a market leader in horizontal directional drilling with respect to constructing crossings of high complexity. Since its establishment in 1994, the company has built over 450,000 linear meters of pipeline and cable crossings with varying degrees of complexity in field and urban conditions. Many of those crossings are unique. SP VIS-MOS owns the largest stock of horizontal directional drilling rigs in the industry. The company performs drilling operations in Russia and beyond: in Germany, Greece, India, Sudan, and Kazakhstan.
DrillTec Rus is a subsidiary of Germany’s DrillTec GUT, one of the leaders in the global market of drilling equipment and operations. The company was registered in Russia in 2001. DrillTec Rus is focused on constructing gas pipeline crossings by directional drilling.
Gas pipeline operator
Gazprom Transgaz Krasnodar (formerly Gazprom Transgaz Kuban) was established on March 16, 2007, upon the restructuring of Kubangazprom. The company is the successor of Kubangazprom in the gas transmission sector. Gazprom Transgaz Krasnodar owns facilities in the Krasnodar Territory, the Rostov Region, and the Republic of Adygea. The company operates a gas trunkline system with a length of more than 7,000 kilometers, over 300 gas distribution stations, 9 compressor stations, 24 CNG filling stations, and 13 LPG filling stations. The Blue Stream gas trunkline is the company’s most important facility. Gazprom Transgaz Krasnodar operates 317 kilometers of the trunkline, including the unique Krasnodarskaya and Beregovaya compressor stations.
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