THE CALCULATION AND APPLICATION OF FAULT CONNECTIVE PROBABILITY

doi:10.3863/j.issn.1674-5086.2010.03.003

西南石油大学学报(自然科学版) ›› 2010, Vol. 32 ›› Issue (3): 11-18.DOI: 10.3863/j.issn.1674-5086.2010.03.003

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THE CALCULATION AND APPLICATION OF FAULT CONNECTIVE PROBABILITY

ZHOU Lu¹WANG Li-jun¹ LUO Xiao-rong² LEI De-wen³ YAN Heng¹

1.School of Resources and Environment，Southwest Petroleum University，Chengdu Sichuan 610500，China；2.Institute of Geology and Geophysics，Chinese Academy of Sciences，Chaoyang Beijing 100029，China；3.Research Institute of Exploration and Development，Xinjiang Oilfield Company，CNPC，Karamay Xinjiang 834000，China

Received:1900-01-01 Revised:1900-01-01 Online:2010-06-20 Published:2010-06-20

Abstract

Abstract: Fault connective probability is a method of evaluating quantitatively the fault opening degree through the calculation of relevant parameters and the combination of the actual geological conditions with the show of gas and oil near the fault.There are many factors affecting the fault opening and sealing capacity.In this paper，the calculation method of factors involved in fault connective probability is described.The fault connective probability model is established through the choice and calculation of actual parameters by using the associated data of Lower Jurassic Sangonghe Formation in Mosuowan area of Junggar Basin，which is tested by the actual data and proved to fit for the area.The fault opening and sealing capacity of Pen 4 well fault is evaluated quantitatively with this model from horizontal to vertical and then the oil-gas reservoir is interrogated.It is explained that in Pen 4 well there is weak show of oil and gas in Sangonghe Formation due to poor connectivity in deep depth，which is not in favor of the migration of oil and gas upward.However，in Pen 6 well，there is better show of oil and gas in Sangonghe Formation due to well connectivity in deep depth，which is favorable for the migration of oil and gas，and poor connectivity in shallow depth that is helpful for the preservation of oil and gas.The application of Fault connective probability in the analysis of the fault opening and sealing capacity in Mosuowan area of Junggar Basin has achieved very good result.

Key words: Junggar Basin, Sangonghe Formation, fault opening and sealing capacity, fault connective probability, oil-gas reservoir

CLC Number:

ZHOU Lu WANG Li-jun LUO Xiao-rong LEI De-wen YAN Heng. THE CALCULATION AND APPLICATION OF FAULT CONNECTIVE PROBABILITY[J]. 西南石油大学学报(自然科学版), 2010, 32(3): 11-18.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1674-5086.2010.03.003

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2010/V32/I3/11

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THE CALCULATION AND APPLICATION OF FAULT CONNECTIVE PROBABILITY

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