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AAPG Bulletin

Abstract


Volume: 57 (1973)

Issue: 2. (February)

First Page: 235

Last Page: 243

Title: Geologic Structure and Oil and Gas Prospects of USSR Continental Shelf

Author(s): N. A. Eremenko (2), Ya. P. Malovitskiy (3), I. S. Gramberg (4), L. I. Lebedev (2)

Abstract:

The USSR shelves--6 million sq km--are divisible into three regions: (1) continental shelves of relict seas in the southern USSR; (2) the Arctic shelves; and (3) the shelves of the Pacific Far East mobile zone. Knowledge of these shelf areas is scanty, and only the Caspian Sea shelves are well known, where good prospects for large reserves are certain. Prospects also exist along the northern foredeep zone of the Black Sea, and in the Rioni basin at its eastern end. Objectives in these areas are mainly Cenozoic and Mesozoic, although Paleozoic strata are prospective locally. In the Baltic Sea, the main objectives are Cambrian.

In the Arctic, the Barents and White Seas include a South Barents, or Barents-Pechora, basin of Paleozoic rocks. Principal objectives are Devonian. The North Barents basin is separated from a Central Barents arch where prospects are poor. Farther east, the Kara Sea is an offshore continuation of the rich West Siberian basin. East of Severnaya Zemlya, the Laptev Sea appears to be most prospective in its western end, close to the Khatanga trough. Upper Paleozoic and Mesozoic rocks are prospective in the East Siberian and Chukchi (Chukotsk) Seas.

Along the Pacific Far East coast, gas discoveries have been made in the Anadyr' basin, and several potential basins remain to be explored. Sakhalin, a known oil and gas province, is surrounded by very favorable thick shelf sections.

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