Meet the Needs of Reservoir Identification Research of Atypical Archie Phenomenon
Science Discovery
Volume 7, Issue 2, April 2019, Pages: 87-91
Received: Apr. 2, 2019; Published: May 23, 2019
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Authors
Wenqiang Tang, Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu, China; Oil Production Plant I, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Kun Xiong, Oil Production Plant I, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Chen Pan, Oil Production Plant I, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Haoting Xing, Institute of Exploration and Development, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Wei Chen, Oil Production Plant III, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Xuan Liu, Oil Production Plant I, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Xinxin Zang, Oil Production Plant II, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
Yun Yang, Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu, China; Testing Company, Qinghai Oilfield Branch of Petrochina, Dunhuang, China
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Abstract
According to the core data, the characteristics of resistivity variation under different porous structure and wettability are studied and explained theoretically. It is concluded that with the increase of porous structure exponent m, the resistivity increases significantly with the same saturation, and the influence is beyond imagination. With the increase of saturation index n, the resistivity increases with the same saturation. If all fixed m and n values are used to calculate the water saturation of the reservoir, the water saturation result will be very high and the hydrocarbon reservoir will be ignored. This change feature is of great guiding significance to the identification of hidden oil and gas reservoir satisfying the atypical Archie formula.
Keywords
Atypical Archie Phenomenon, Porous Structure Exponent, Saturation Index, Wettability, Archie Formula
To cite this article
Wenqiang Tang, Kun Xiong, Chen Pan, Haoting Xing, Wei Chen, Xuan Liu, Xinxin Zang, Yun Yang, Meet the Needs of Reservoir Identification Research of Atypical Archie Phenomenon, Science Discovery. Vol. 7, No. 2, 2019, pp. 87-91. doi: 10.11648/j.sd.20190702.16
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