Time-Varying Sequence Analysis of Generalized Vogel Equation for Fracturing Wells in Fractured Volcanic Reservoirs

新疆石油地质 ›› 2019, Vol. 40 ›› Issue (zk(English) ): 307-311.

Time-Varying Sequence Analysis of Generalized Vogel Equation for Fracturing Wells in Fractured Volcanic Reservoirs

WANG Liqiang¹, CUI Yinghuai², JING Wenbo², FU Yonghong², DONG Ming², WANG Xuewu¹

1.Department of Petroleum Engineering, Shengli College, China Petroleum University, Dongying, Shandong 257061, China;
2.Research Institute of Exploration and Development, Tuha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China

收稿日期:2018-04-27 修回日期:2018-10-26 出版日期:2020-01-01 发布日期:2021-05-18

Time-Varying Sequence Analysis of Generalized Vogel Equation for Fracturing Wells in Fractured Volcanic Reservoirs

WANG Liqiang¹, CUI Yinghuai², JING Wenbo², FU Yonghong², DONG Ming², WANG Xuewu¹

1.Department of Petroleum Engineering, Shengli College, China Petroleum University, Dongying, Shandong 257061, China;
2.Research Institute of Exploration and Development, Tuha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China

Received:2018-04-27 Revised:2018-10-26 Online:2020-01-01 Published:2021-05-18
About author:WANG Liqiang, E-mail: qiangli_2012@126.com

摘要/Abstract

摘要： From the non-dimensional typical chart of bottom hole pressure during fracturing, combining with the generalized Vogel equation for fractured reservoirs, the article establishes a solving method of the inflow performance curves with different producing days in fractured reservoir fracturing wells. The reliability of the research results is verified by an example and the variations of the inflow performance curves with different producing days and different non-dimensional fracture conductivity are analyzed. The results show that when the non-dimensional fracture conductivity is large, the initial well production is high but the production decline is large and it is difficult to maintain the well production. Therefore, selecting a reasonable non-dimensional fracture conductivity value has practical significance for efficient development of fractured volcanic reservoirs.

关键词: volcanic rock, fractured reservoir, fracturing, generalized Vogel equation, time-varying sequence, fracture conductivity

Abstract: From the non-dimensional typical chart of bottom hole pressure during fracturing, combining with the generalized Vogel equation for fractured reservoirs, the article establishes a solving method of the inflow performance curves with different producing days in fractured reservoir fracturing wells. The reliability of the research results is verified by an example and the variations of the inflow performance curves with different producing days and different non-dimensional fracture conductivity are analyzed. The results show that when the non-dimensional fracture conductivity is large, the initial well production is high but the production decline is large and it is difficult to maintain the well production. Therefore, selecting a reasonable non-dimensional fracture conductivity value has practical significance for efficient development of fractured volcanic reservoirs.

Key words: volcanic rock, fractured reservoir, fracturing, generalized Vogel equation, time-varying sequence, fracture conductivity

WANG Liqiang, CUI Yinghuai, JING Wenbo, FU Yonghong, DONG Ming, WANG Xuewu. Time-Varying Sequence Analysis of Generalized Vogel Equation for Fracturing Wells in Fractured Volcanic Reservoirs[J]. 新疆石油地质, 2019, 40(zk(English) ): 307-311.

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Time-Varying Sequence Analysis of Generalized Vogel Equation for Fracturing Wells in Fractured Volcanic Reservoirs

Time-Varying Sequence Analysis of Generalized Vogel Equation for Fracturing Wells in Fractured Volcanic Reservoirs

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