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Cenozoic Fault Feature and Trap Styles of Northern Area in West Depression of Liaohe Basin(PDF)

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

Issue:
2007年第02期
Page:
149-153
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Cenozoic Fault Feature and Trap Styles of Northern Area in West Depression of Liaohe Basin
Author(s):
YU Fu-sheng1; JI Zhen-w a2; YANG Xue3; YU Zhen-quan3; MA Bao-jun1; ZHANG Liang-jie1
1. Key Laboratory for Hydrocarbon Accumulation Mechanism of Ministry of Education, China University of Petroleum, Beijing 102249, China; 2. No.115 Geological Brigade of Inner Mongolia Autonomous Region, Ulanhot 137400, Inner Mongolia, China; 3. Research Institute of Exploration and Development, Liaohe Petroleum Exploration Bureau, Panjin 124010, Liaoning, China
Keywords:
Liaohe Basin;  western depression;  fault system;  sand box simulation;  trap styles
PACS:
P542.2
DOI:
-
Abstract:
Cenozoic evolution of northern area in west depression of Liaohe Basin can be divided into initial rifting stage, extensional faulting stage and compressional depressing stage. Faults with extensional structure, wrench structure and inversion structure can be divided into extensional fault systems during the Shahejie phase of Early Eogene, wrench fault systems during the Dongying phase of Late Eogene and inversion fault systems during the Guantao phase of Early Neogene. Sand box simulation proved that inversion is controlled by the stress relating to strike-slip movement coming from the footwall. Faulted block structure controlled by extensional structure and compressional anticlines are favorable areas for oil and gas accumulation in Gaosheng slope belts and Niuxintuo upwarping.

References:

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Last Update: 1900-01-01