Gazprom Neft wraps six ships in shallow waters

Russian oil company Gazprom Neft recently completed a seismic data acquisition project on the Yuzhno-Obsky license block, located in the waters of the Gulf of Ob in the Kara Sea.

The objective of the six-vessel survey campaign was to clarify the structure of promising underlying geological features.

The vessels were equipped to work at ultra-shallow depths of less than seven meters. Some 410 km2 of the license block have been covered by 3D seismic surveys, and an additional 115 km of 2D seismic surveys have been undertaken in the waters surrounding the license block.

“A plan for further geological prospecting work will be developed based on the obtained seismic survey data, including exploration drilling areas. In the future, the block will be part of Gazprom Neft’s main industrial cluster in the southern Yamal Peninsula. The company is considering the possibility of developing this asset using the infrastructure of its Novoportovskoye field, located near the Yuzhno-Obsky license block,” Gazprom Neft said.

The Yuzhno-Obsky license block is located in the Yamalo-Nenets Autonomous Okrug in the waters of the Gulf of Ob in the Kara Sea, in the immediate vicinity of the infrastructure of the Novoportovskoye (Port of Novy) project. Major deposits were discovered in the Gulf of Ob in the 2000s, which are now being prepared for commercial development, Gazprom said.

“Assuming successful geological prospecting, the resource base of the Yuzhno-Obsky license block will make a major contribution to the development of the Arctic transport system. We are talking here about both the long-term use of the facilities of the enterprise (the unique Arctic Gates oil transshipment terminal and the gas pipeline across the Gulf of Ob, which connects the southern Yamal Peninsula to the unified gas supply system) and, more generally, the increase in cargo traffic along Russia’s main strategic logistics corridor – the Northern Sea Route,” said Yuri Masalkin, Director of Geological Exploration and Resource Development, Gazprom Neft.

“The development of the Yuzhno-Obsky license block is a priority in realizing the potential of Gazprom Neft’s offshore portfolio. During the two years following the acquisition of this license, we studied the previously acquired 2D seismic data, updated our geological model and evaluated the resource potential of this block. The 2021 exploration season allowed us to collect radically new geological information, which allowed us to develop approaches for the construction of the first exploration and appraisal well,” said Igor Rustamov, General Director of Gazprom Neft. Shelf.

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