Details

Autor(en) / Beteiligte

• Miao WANG
• Chang’an WANG
• Xing NING
• Meijing CHEN
• Xiaole HUANG
• Xiangyu XUE
• Qisen MAO
• Lei DENG
• Defu CHE

Titel

Research progress of in-situ pyrolysis technology for tar-rich coal

Ist Teil von

• Méitàn xuébào, 2024-09, Vol.49 (9), p.3969-3984

Ort / Verlag

Editorial Office of Journal of China Coal Society

Erscheinungsjahr

2024

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• China has abundant resources of tar-rich coal, and the in-situ pyrolysis extraction of oil and gas can not only achieve efficient, clean, and low-carbon utilization of tar-rich coal, but also alleviate the external dependence of oil and gas, which is one of the important development directions of tar-rich coal exploitation and utilization in the future. In this paper, the thermal and physical properties and distribution characteristics of tar-rich coal, the technological characteristics of surface pyrolysis and in-situ pyrolysis are described briefly. It focuses on the research status and progress of in-situ pyrolysis of tar-rich coal (including well layout, heating method, integration of in-situ gasification and pyrolysis, waste heat utilization, reservoir fracturing, and underground sealing technology). Also, the future development direction of tar-rich coal in-situ pyrolysis technology is prospected. The findings are summarized as follows: ① the cascade utilization is an important way for the surface pyrol