Shale reservoir pore testing significance and method

In recent years, shale gas has increasingly been recognized as a promising unconventional natural gas resource. It has become one of the most closely watched energy sources today. In many regions across China, large-scale exploration and test production efforts have already begun. In March 2012, four ministries jointly issued the "12th Five-Year" development plan for shale gas, setting clear targets: by 2015, annual shale gas production in China was expected to reach 6.5 billion cubic meters, and by 2020, it aimed to reach between 60 and 100 billion cubic meters. These goals highlight the growing importance of shale gas in the country's energy strategy. Oil shale is a unique type of reservoir, significantly different from conventional ones. It typically features ultra-low porosity and low permeability. The pore structure in oil shale reservoirs is highly complex, with small pore sizes and widespread nano-scale pores. A significant portion of the gas within oil shale exists in an adsorbed state. Understanding gas flow through these nanoscale pores and the governing equations is crucial for further development. Nano-oil and gas represent a key area of future geological innovation. They are mainly found in source rock formations and tight reservoirs that are in close proximity. This includes resources such as shale oil, shale gas, coalbed methane, tight sandstone oil, tight sandstone gas, and tight limestone oil. The pore throat diameter in these reservoirs is generally on the nanometer scale. The nanopores in oil shale result in a very high specific surface area, often exceeding 200 mÂ²/g. These tiny pores and cracks serve as the primary storage spaces for hydrocarbons. Studying and testing parameters like porosity, pore size distribution, and specific surface area is essential for understanding gas content, the occurrence of natural gas, and assessing the potential for industrial exploration and development. Developed independently by Bestech Instruments, the 3H-2000PS series of fully automatic surface and pore analyzers use a static volumetric measurement principle and are equipped with multiple technical patents. The instrument features a specially designed sample tube for core testing. It is widely used in research institutions and enterprises such as China University of Petroleum, Shanghai University, Beijing Institute of Technology, and Central South University. The 3H-2000PS1 model offers excellent cost-performance, high precision, and efficient testing. It is specifically designed for analyzing core pore size, pore size distribution, and specific surface area. It is ideal for applications in shale gas, oil shale, mudstone, sandstone, limestone, and coalbed gas. This equipment plays a vital role in predicting shale gas reserves and supporting scientific research and industrial development.

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