Gazprom Neft has elevated the boundaries of its Ignyalinsky license block in Eastern Siberia, with recoverable reserves at this asset rising 10% because of this, to succeed in 76 million tonnes of oil.
The boundaries of the Ignyalinsky block had been expanded by means of what is named the “cut-in mechanism” (involving the addition of a bit of adjoining land comprising open acreage (land as but unallocated beneath the State Subsoil Reserve Fund),* with this asset now rising to 2,200 km2 in dimension.
The Ignyalinsky block, on which the eponymous discipline is positioned, kinds a part of the Chona group of fields. Initial reserves in place on the Chona undertaking stand at 220 million tonnes of oil. The worthwhile growth of this asset has been sophisticated by its difficult geological construction and the intensive geographic unfold of hydrocarbon deposits. Gazprom Neft has drilled three prospecting and appraisal and exploratory wells over the course of three years of investigations at Chona blocks, in addition to endeavor intensive 3D seismic surveys and greater than three,000 km2 of electro-seismic investigations, a world file on this business.
The Chona undertaking consists of the Ignyalinsky, Tympuchikansky and Vakunaysky license blocks, positioned on the border between the Irkutsk Oblast and the Sakha Republic (Yakutia). These belongings are positioned 100 km from the East-Siberia Pacific Ocean (ESPO) pipeline. Total IRIP at fields on the Chona undertaking stand at a couple of billion tonnes of oil, and about 300 billion cubic metres (bcm) of fuel.
Gazprom Neft’s Yuri Marsalkin stated: “The Chona group of fields comprise Gazprom Neft’s anchor asset in Eastern Siberia. They are notable for his or her remoteness from main logistics centres and their complicated reservoir buildings, but additionally for his or her uniquely excessive manufacturing potential. We have gained an in depth understanding of the geological options of those blocks lately, and have put in place a technique for growing them, confirming the business prospects for this undertaking. All of which implies we’ll shortly have the ability to being pilot growth of the Chona fields, preliminary reserves instead of which stand at a couple of billion tonnes of oil.”
The Ignyalinskoye oil and fuel condensate discipline covers the Katangsky district of the Irkutsk Oblast and the Lensky district of the Sakha Republic (Yakutia). The discipline was found in 2011, and put into pilot operation in 2016.
The first horizontal properly was drilled on the Ignyalinskoye discipline in 2018, from which a business oil circulate was obtained after multi-stage hydraulic fracturing. The first batch of oil from the Ignyalinsky block was delivered to the ESPO In February 2018.
(Source and picture: Rosneft – Drilling within the Ignyalinskoye discipline)
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