Preliminary Study on High-Energy Pulsed Arc Fracturing

Zhou Jian; Jiang Tingxue; Zhang Baoping; Zhao Xiao; Li Hongchun

doi:10.3969/j.issn.1001-0890.2014.03.015

Volume 42 Issue 3

May 2014

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Petroleum Drilling Techniques > 2014 > 42(3): 76-79. > DOI: 10.3969/j.issn.1001-0890.2014.03.015

Zhou Jian, Jiang Tingxue, Zhang Baoping, Zhao Xiao, Li Hongchun. Preliminary Study on High-Energy Pulsed Arc Fracturing[J]. Petroleum Drilling Techniques, 2014, 42(3): 76-79. DOI: 10.3969/j.issn.1001-0890.2014.03.015

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Preliminary Study on High-Energy Pulsed Arc Fracturing

Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China

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Received Date: May 05, 2013
Revised Date: January 13, 2014

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Abstract

In order to get a better understanding of the principle of high-energy pulsed arc fracturing,determine key factors affecting its fracturing results,theoretical analysis and lab experiment were conducted for high-energy pulsed arc fracturing.The theoretical analysis indicates that the pulse wave pressure produced in high-energy pulsed arc fracturing depends on the discharging voltage,pulse energy and discharging time.Lab experiment shows that obvious fractures around the wellbore in concrete samples can be created by using different discharging voltages,the fractures are radial with no obvious bending in near wellbore area.The testing results show that the pulse pressure peak will increase with the increase of discharging voltage and pulse energy,and the fracture height and length will also increase.The research results provide testing data for further high-energy pulsed arc fracturing.
- electric arc pulse fracturing,
- discharging voltage,
- pulse peak pressure,
- arc fracture,
- fracture height,
- laboratory testing

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