Gazprom Neft starts developing oil deposits at the Zapadno-Tarkosalinskoye field

11.12.2019
Courtesy of gazprom-neft.com

Gazprom Neft subsidiary Gazpromneft-Zapolyarye has begun liquid hydrocarbon production at the Zapadno-Tarkosalinskoye field in the Yamalo-Nenets Autonomous Okrug. Commercial oil inflow from the first horizontal well stands at 380 tonnes per day, with potential to increase to 600 tonnes.

The commissioning of the first high-tech well marks the start of pilot development of the oil-bearing section of the Zapadno-Tarkosalinskoye oil and gas condensate field, located in the Purovsky district of the Yamalo-Nenets Autonomous Okrug. Reserves in place at this asset stand at 40.6 million tonnes of oil, 444.5 billion cubic metres of gas, and 7.1 million tonnes of condensate. This is a multi-layer field, with a complex geological structure. Developing oil reserves here will be managed taking geological faults and abnormally high reservoir pressure into account.

Given the lack of infrastructure at the Zapadno-Tarkosalinskoye field, Gazprom Neft will be using cutting-edge mobile units to bring wells online, using these to receive well fluid and prepare oil for transportation — the advantages of such mobile units being their compactness, high productivity, and their delivery, installation and start-up speeds. Using these makes it possible to commission wells almost immediately on completing drilling, significantly cutting project costs and lead-times.

Gazpromneft-Zapolyarye began work at this field in 2018. The initial stage involved the previously drilled exploratory well being de-mothballed to eliminate geological uncertainties and clarify reserve quality and volumes. A further eight production wells will also be drilled in the course of developing the Zapadno-Tarkosalinskoye field. A mobile oil treatment unit and compressor station will be commissioned in 2020, and two cluster pads and a gas pipeline constructed by that time.

The development of oil deposits at the Zapadno-Tarkosalinskoye oil and gas condensate field will be undertaken by Gazpromneft-Zapolyarye under a risk-based operatorship agreement concluded with Gazprom Dobycha Noyabrsk in 2019.

Source: gazprom-neft.com

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