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

Issue:

2005年第02期

Page:

56-59

Research Field:

Publishing date:

Info

Title:

Identification of oil-water bearing reservoirs with fluorescent microscopic technology in Tuha Basin

Author(s):

ZHANG Xiao-qing ¹; YI Hai-sheng ¹; WEI Guo-liang ²; WAN Yong-qing²; HUANG Tian-x ue²

1.Institute of Sedimentary Geology,Chengdu University of Technology,Chengdu 610059,China; 2. Tuha Oilfield Company,PetroChina,Hami Uygur Autonomous Region of Xinjiang 839009,China

Keywords:

fluorescent microscopic technology;  oil asphalt;  fluorescent characteristics;  oil-water bearing reservoir;  oil-water interface

PACS:

P618.130.2

DOI:

-

Abstract:

By the oil-water characteristics test under the fluorescent microscope,the fluorescent characteristics of oil, water- in-oil, oil-in-water, oil-bearing water and water are obtained respectively. Then by experimenting repeatedly upon the fluo- rescent characteristics of oil layers and water layers for reservoirs of a single well in the Tuha Basin and compared those with the results of testing oil, the identifying markers of oil layer, water layer and oil-water interface are summaried as follows. The oil layer is principally characterized by better and uniform fluorescence as well as extensive water-in-oil. The water layer is mainly characterized by non-uniform fluorescence and widespread mobile water with the appearance of oil-in-water. The oil-water interface is primarily characterized by fluorescence transition from uniform to non-uniform and pore filling transition from mobile oil to mobile water. And the occurrence of oil bearing reservoirs in this region is revealed. Thus, it can provide evidence for testing oil of exploratory well and the division of oil layers .

References:

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Memo

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Common functions

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