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 projects have already been initiated. In March 2012, four ministries jointly released the "12th Five-Year" development plan for shale gas, which set 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 increase to between 60 and 100 billion cubic meters. 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 within oil shale reservoirs is highly complex, with small pore sizes, often including nano-scale pores where a significant amount of gas is stored in an adsorbed form. Understanding gas flow through these nano-pores and the governing equations is crucial for further research. Nano-oil and gas represent a key area of future geological innovation. These resources are mainly found in source rock formations and tight reservoirs nearby, including shale oil, shale gas, coalbed methane, tight sandstone oil, tight sandstone gas, and tight limestone oil. The pore throat diameters in such reservoirs are generally on the nanometer scale. The nanopores in oil shale contribute to its extremely high specific surface area, potentially reaching over 200 mÂ²/g. These tiny pores and cracks serve as the primary storage spaces for hydrocarbons. Analyzing critical parameters such as porosity, pore size distribution, and specific surface area of oil shale is essential for understanding gas content, the occurrence of natural gas, and determining whether it holds industrial value for exploration and development. Bestech Instruments has developed the 3H-2000PS series of fully automatic surface and pore size analyzers, which use a static volumetric measurement method and hold multiple technical patents. The analyzer features a specially designed sample tube for core testing, along with Pâ‚€ test position instruments. These devices are widely used in institutions like 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 measuring pore size, pore size distribution, and specific surface area of core samples. It is ideal for applications in shale gas, oil shale, mudstone, sandstone oil, sandstone gas, limestone oil, and coalbed gas. This instrument plays a vital role in predicting shale gas reserves and is widely adopted by research institutions and enterprises.

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