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2018 International Seminar on Environmental Management of Unconventional Oil and Gas Fields held in Beijing

2018 International Seminar on Environmental Management of Unconventional Oil and Gas Fields held in Beijing

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  The “2018 International Seminar on Environmental Management of Unconventional Oil and Gas Fields” jointly organized by the Environmental Engineering Assessment Center of the Ministry of Environmental Protection, the China Institute of Petroleum Safety and Environmental Protection and the American Environmental Protection Association was held in Beijing. Experts and experts in the industry discussed and discussed topics such as environmental impact assessment of shale gas and other unconventional oil and gas fields, pollution control technologies, environmental risk monitoring, and related policies and regulations.
 
In recent years, China’s dependence on natural gas has continued to increase, reaching 39.4% in 2017 and is expected to exceed 40% this year. The data show that China's shale gas recoverable resources amount to 31.6 trillion cubic meters, ranking second in the world. Currently, the proven rate and utilization rate of resources are less than 1%, and the prospect is very broad. Shale gas is an unconventional example. Gas will become the focus of China's natural gas development. However, China still has a lot of room for improvement in terms of development experience and technology, especially environmental management of unconventional oil and gas fields. Among them, the environmental risks that may be brought about by hydraulic fracturing technology have been highly concerned and valued by enterprises and governments.
 
The methods of fracturing and returning liquids, solid waste pollution control technologies, and the environmental management systems of China, the United States, and the United Kingdom, and policy benchmarking have become the focus of discussion among the participants. We discussed in depth the specific issues of whether fracturing and returning fluid treatment was selected for reinjection into deep wells, or how to manage effluent, how produced water is treated, how to treat oil-bearing mud, and how cuttings are handled. It is reported that CNPC's risk monitoring technology for groundwater and ecological environment, environmental impact assessment and comprehensive benefit evaluation technology system, source control technology for pollutants, development of "green" fracturing fluids, efficient treatment process of fracturing and drainage liquid, and meteoric water production standards Processing technologies and other aspects are being tackled and researched, and achieved phased results.
 
At present, we are fully advancing the redline demarcation of ecological protection in China. 15 provinces, autonomous regions and municipalities have already completed redline demarcation work. In principle, redline delineated areas are forbidden to build new large-scale industrial development projects. Then, what are the existing oil and gas exploration and production blocks within the red line designated area? How does the national oil and gas production demand and environmental protection demand balance? According to related experts, the country is studying related methods and basic principles and is expected to come up with plans by the end of June. In addition, the national environmental protection administrative department is formulating supporting policies for environmental management of unconventional oil and gas fields.

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