ROSGEO has assessed petroleum potential of prospective Zeya-Bureya area, the Amur Region

JSC Irkutskgeofizika (a part of ROSGEO State Holding Company) and JSC Irkutsk geophysical sub-division of ROSGEO have assessed petroleum potential of Zeya-Bureya area. The prospect is located in the Amur Oblast. Geological exploration within the frames of the government contract financed from the federal budget were fulfilled during two years.

In the area of survey covering 36,740 km2 the geologists performed a complex of geological/geophysical studies: 2D seismic CMP survey, electrical survey, and geochemical testing. The acquired data, as well the data of the previous periods, underwent office processing and complex interpretation.

The surveys covered the depths no less than 4 000 m. Summary prognostic diagram was prepared and two potential hydrocarbon accumulation zones were delineated: Western and Eastern. Recommendations were provided for two stratigraphic well locations and for future trends of exploration and assessment purposed for hydrocarbon deposits outlining.

“It is not an easy task to estimate the resources of Zeya-Bureya depression,” - Svetlana Afanasyeva, the Chief Geologist of ROSGEO IGP says. - “Its structure was studied at the regional level, and the data does not permit to make specific conclusions about the volumes of hydrocarbon generation and accumulation. According to the Diagram of Prospects of East Region Petroleum Potential the structure is a kind of an standalone depression showing the density of hydrocarbon initial total in-place resources less than 30 Mt/km2.

The specialists of the holding company affirm that maximum potential prognostic resources may comprise 180 MMt for the time being. At the very least Zeya-Bureya area may include small hydrocarbon deposits, mainly gas ones, of resources below 5 BCM.

RG-Inform, Press Service of ROSGEO JSC

 

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ROSGEO is a Russian multi-industry geological holding company, which offers a full range of geological exploration services from regional surveys to stratigraphic drilling and subsoil monitoring. The holding company boasts unique expertise, particularly in marine geology and shelf operations.
ROSGEO was established by Decree No. 957 of the President of the Russian Federation dated 15 July 2011 on the basis of Tsentrgeologia, one of the oldest exploration companies in Russia. ROSGEO is a fully state-owned company.
The enterprises within the holding company operate in all eight federal districts of Russia. ROSGEO includes 53 enterprises located across the country. A total of more than 1,000 fields and deposits have been discovered by the holding’s companies, including major hydrocarbon and solid mineral deposits and fields such as the Astrakhan field (2.5 trillion cubic meters of natural gas), the Tengiz field (3.1 billion tonnes of oil), the Kovykta field (1.9 trillion cubic meters of natural gas), the Sukhoi Log deposit (about 2,000 tonnes of gold), the Kursk Magnetic Anomaly, and many others.

ROSGEO’s subsidiaries have rich experience in implementing projects abroad: dozens of new fields and deposits have been discovered in Asia, Europe, Africa, and Latin America.
ROSGEO clients include such companies as Gazprom, Rosneft, Lukoil, Severstal, MMC Norilsk Nickel, Itera, NLMK, Sibuglemet, BP, Chevron, and many others.

JSC Irkutskgeofizika is one of the largest specialized geophysical and geological exploration enterprises in the Eastern Siberia and the Far East of Russia. The company carries out a broad range of geophysical work in prospecting for oil, gas, and solid mineral resources in hydrogeology, evaluation and prospecting; geodynamic, hydrogeological, and ecological monitoring.

The company has carried out numerous successful studies concerning the oil and gas potential of the southern part of the Siberian craton with its unique geological and geographical environment. Eleven oil and gas deposits were discovered in the area of survey including the largest such as the Kovykta gas condensate field and the Verkhnechonskoye oil and gas field. The Sukhoi Log gold deposit, the Sayan group of rare-earth and polymetal deposits, the Nepskiy potassium basin, and others were discovered.


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