There are high risks in the exploitation of shale gas by fracturing, which may cause a series of environmental problems, such as pollution of groundwater, surface water and air, safety of water resources, occupation of land resources, obstruction of biodiversity, noise pollution and traffic problems. In order to understand the research progress and its impact on the environment, this paper takes 5845 shale fracturing research papers included in the core of SCI of science network as the data source, analyzes and interprets the current shale research literature and determines the research hotspot and development direction through Citespace, Biblishiny and other software, taking keywords and citation relations as the research objects. The overall situation of shale fracturing research is shown, which provides reference for researchers' scientific research topics. In the evaluation of reservoir fracturing, the diagenesis, pore structure, brittleness index and other factors of shale source rock reservoir are considered to predict and analyze the reservoir fractures, so as to optimize the shale fracturing technology and achieve effective productivity improvement. After the completion of hydraulic fracturing construction, the amount of liquid flowing back to the ground is increasing, which makes the metal ion content in the whole ground further improve, causing serious environmental quality problem. Shale fracturing flowback wastewater treatment has become the key content of the development of the whole industry. Relevant staff need to conduct in-depth analysis on the water quality of wastewater, and select appropriate treatment methods to avoid secondary pollution.
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