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AAPG Asia Pacific Presents Dr Chaojie Wang, China University of Petroleum
A 60-90 minute talk entitled "How to strengthen CBM extraction: A Case Study for Hydraulic Technology of Ultra-high Pressure with Low Flow". Talks are held via Zoom Webinar and are free of charge. Talk Summary: "In order to improve CBM production in coal seams with high in-situ stress and low permeability. It is one of the most commonly used ways to adopt the hydraulic technology increasing coal permeability. However, in traditional water jet cutting, there are a series of problems in a coal seam with high gas content, such as large jet flow resulting in serious borehole blockage and poor working environment. The traditional slotting pressure is mostly concentrated in 30 ~ 60MPa, and little attention is paid to the ultra-high pressure and low flow water jet cutting when the cutting pressure reaches 100MPa. We here proposed a technology of ultra-high pressure with low flow water jet slotting. The research results have shown that CBM production can be greatly increased, which can also eliminate the hidden danger of gas disaster in coal seams".

Nov 5, 2020 03:00 PM in Singapore

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Chaojie Wang
Assistant Professor @China University of Petroleum, East China
Dr. Chaojie Wang graduated from China University of Mining and Technology, and now works in China University of Petroleum (East China) as an assistant Professor. The research interests mainly involve the field of unconventional oil and gas energy exploitation and disaster prevention and control such as coalbed methane. Until now, he has completed more than 20 research projects form governments and enterprises in China. He has published more than 20 high-level papers in Fuel, Rock Mechanics and Rock Engineering, Process Safety and Environmental Protection, etc., authorized 3 invention patents, and won 2 provincial and municipal awards. He was invited to be the reviewer of more than 10 international journals, including Fuel, Scientific Reports, Energy Science & Engineering, Natural Resources Research, Energy Exploration and Exploitation.