The Relation Between Abnormal Pressure and Oil Migration in Zhenjin Region

doi:10.3863/j.issn.1000-2634.2008.01.013

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (1): 47-50.DOI: 10.3863/j.issn.1000-2634.2008.01.013

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The Relation Between Abnormal Pressure and Oil Migration in Zhenjin Region

WU Yong-ping¹ WANG Yun-cheng ^1,2 LI Zhong-dong^1,2 WANG Zhen¹

Chengdu University of Technology:1.College of Energy Resources,Chengdu Sichuan 610059,China;2.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Chengdu Sichuan 610059,China

Received:2007-05-15 Revised:1900-01-01 Online:2008-02-20 Published:2008-02-20
Contact: WU Yong-ping

Abstract

Abstract: Aiming at the present situation in which,the indefinite hydrocarbon migration makes exploration be barried in Chang_6.Aiming at the present situation in which,the indefinite hydrocarbon migration makes exploration be barried in Chang_6^~Chang₈ formations in Zhenjing area,a new idea researching abnormal pressure is used to explore the breakthrough in the recognition of hydrocarbon exploration.Sandstone and mudstone compaction curves of some 50 wells are depicted and pressure coefficient of every well is calculated by means of sonic logging data,the compaction characteristics of the formations in the area and the relations between abnormal pressure and the conditions of hydrocarbon accumulation,and the process of migration and accumulation are studied by combining the geological setting of Zhenjing Oilfield.The relations of time and space deplay are effectively integrated to study the formation of the reservoirs in the area,which is important to furtherly verify the explorative potential of Yanchang formation in southwestern Ordos Basin.

Key words: abnormal pressure, migration, compaction, time and space deploy, Zhenjing

CLC Number:

TE122.2

WU Yong-ping WANG Yun-cheng;LI Zhong-dong;WANG Zhen. The Relation Between Abnormal Pressure and Oil Migration in Zhenjin Region [J]. 西南石油大学学报(自然科学版), 2008, 30(1): 47-50.

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The Relation Between Abnormal Pressure and Oil Migration in Zhenjin Region

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