柴达木盆地北缘侏罗系烃源岩沉积有机相划分及评价

doi:10.11743/ogg20010221

Abstract

Abstract:

The Jurassic hydrocarbon source rocks on the north margin of Qaidam Basin could be divided into highstand marsh peat organic facies, forest marsh peat organic fades, shore-shallow lake organic facies and semideep-deep lake organic facies. The first facies contains high inertinite contents, its organic matter is mainly Ⅲ₂-type, its hydrocarbon-generation capacity is the lowest and gas is the main product; the second facies contains high viitrinite and Ⅲ₁-type organic matter, It hydrocarbon generation capacity is relatively low with gas is the main product; the third facies is primarily coal measures with lower sapropelinite. Its organic' matter is mainly Ⅱ-and Ⅲ₁-types with lower to poor hydrocarbon generation capacity; the last facies has the highest sapropelinite, the organic matter is Ⅰ₂-or Ⅰ₁ types with the best oil generation capacity

Key words: Jurassic System, source rock, organic facies, estimation

CLC Number:

P512.2

Peng Licai, Yang Huizhu, Liu Langui Lu Zonglun, Bao Jicheng. CLASSIFICATION AND ESTIMATION OF ORGANIC FACIES IN JURASSIC SOURCE ROCKS FROM NORTH MARGIN, CHAIDAMU BASIN[J]. Oil & Gas Geology, 2001, 22(2): 178-181.

References

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CLASSIFICATION AND ESTIMATION OF ORGANIC FACIES IN JURASSIC SOURCE ROCKS FROM NORTH MARGIN, CHAIDAMU BASIN

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