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Preliminary studies and characteristics of the Jurassic hydrocarbon source rocks in the northern Tarim basin(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2004年第01期
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Preliminary studies and characteristics of the Jurassic hydrocarbon source rocks in the northern Tarim basin
Author(s):
DANG BenZHAO HongJIANG Chang-yi
School of Earth Sciences and Resources Management , Chang'an University , Xi'an 710054 , China
Keywords:
Jurassichydrocarbon source rock coal measures Tarim basin northeastern area condition to generate hydrocarbon
PACS:
TE112.11;P618.11
DOI:
-
Abstract:
The Jurassic System with large thickness is ubiquitous in the northeastern part of the Tarim Basin, one of the biggest oil and gas basins in China .The hydrocarbon source rocks of coal measures developed in this basin were studied on the basis of drill cores , which involved in many fields such as geology , organic geochemistry and petrology .As suggested by the results, the source rocks were confined to the middle-good level in the organic abundance sense and the organic substances were grouped into grades III dominant)and II less common), respectively .The thermal evolution of those organic substances was speculated to have primarily been at the immature-to-low mature stage though some could reach the mature level in certain areas.A small quantity of sporinite and cutinite were identified in addition to the majority of the hydrocarbon-forming micro-components that mainly occurred as matrix vitrinites.Detailed synthetic analyses suggest that the Jurassic succession in the Northern Tarim Basin is a significant target of the oil and gas exploration due to its good hydrocarbon-forming conditions.

References:

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Last Update: 2004-03-20