更新勘探观念,开拓深层油气新领域

doi:10.11743/ogg20050209

Abstract

Abstract:

Source rock, a concept with many uncertainties, has confined the thoughts of explorationists for a long time. V.B.Porfiriev, the late Academician of Ukraine Academy of Sciences, proposed a theory of deep origin of hydrocarbons, i.e. generation of hydrocarbons has been related to activities of the upper mantle. At the end of Tertiary, hydrocarbons migrated vertically upward from the upper mantle along large fracture belts and accumulated in the porous-fractured reservoirs in the basement and sedimentary cover. Deep and ultra-deep drilling in Gulf of Mexico has verified that oil pool can occur in reservoir up to a depth of 6 885 m. It is justified to believe that should fractured zones exist in the deep crystalline and metamorphic rocks below the basin's basement, they would be the petroleum occurrences. Therefore, it would be possible to open up frontiers of petroleum exploration through deep drilling.

Key words: source rock, deep drilling, large fracture belt, fault petroleum reservoir

CLC Number:

TE112.11

Zhang Zhiyi. Renew exploration concept and open up frontiers in deep strata[J]. Oil & Gas Geology, 2005, 26(2): 193-196.

References

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Renew exploration concept and open up frontiers in deep strata

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