|Table of Contents|

Characteristics of Salt-related Structures in the Eastern Strike-Slip Zone of Laizhou Bay Sag(PDF)

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

Issue:
2008年第04期
Page:
380-384
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Characteristics of Salt-related Structures in the Eastern Strike-Slip Zone of Laizhou Bay Sag
Author(s):
SUN He-feng12ZHOU Xin-huai2PENG Wen-xu2WANG De-ying 2PENG Gang 2
1.School o f Natural Resource and In formation Technology, China University o f Petroleum, Beijing 102249, China; 2.Research Institute o f Exploration and Development, Tianjin Branch o f China National Offshore Oil Corporation Limited, Tianjin 300452, China)
Keywords:
Laizhou bay sag Tan-Lu strike-slip fault zone salt-related structure petroleum accumulation
PACS:
P618.130.2;TE122.3
DOI:
-
Abstract:
It has been proved that the formation of salt-related structure in the eastern Laizhou bay sag was controlled by strike-slipping and gravitational gliding, according to the drilling data and seismic profiles. The over-mature diapirs gradually transited to salt pillow from south to north in the strike-slip zone. The suprasalt structures include: salt anticlines, salt-collapse basin, turtleback structures, stratigraphic overlaps and screened structures. The main salt bed structures are pillow-like salt diapirs, salt plugs and allochthonous salt sheets. The subsalt structures may be related to basement uplift. The salt-related structures experienced four stages which are generation, adjustment, maturation and reactivation. It has been found that the petroleum accumulation of strike- slip zone was controlled by salt-related traps in the eastern Laizhou bay sag.

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Last Update: 2008-12-20