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Updated: Jul 12, 2025

Experimental Study of the Relationship Between Particle Size and Methane Sorption Capacity in Shale
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Experimental Study of the Relationship Between Particle Size and Methane Sorption Capacity in Shale

Published on: August 2, 2018

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实验调查粒子大小对其分布在水平井孔内的影响

Shabeeb Alajmei1,2, Ose Budiman1, Murtada S Aljawad1,2

  • 1Department of Petroleum Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Saudi Arabia.

ACS omega
|October 23, 2023
PubMed
概括

更高的注入速率和100网格的沙子对于水力压裂中有效的推进剂分配至关重要. 这减少了沙子沉积,并通过确保支物的均放置,提高了井生产率.

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Pore Size Distribution01:23

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In concrete, the pore size distribution significantly influences the material's properties. Capillary pores, markedly larger than gel pores, form a vast network within partially hydrated cement paste, reducing the concrete's strength and increasing its permeability. This heightened permeability leads to a greater risk of damage from environmental factors like freeze-thaw cycles and chemical attacks, with the extent of vulnerability also being tied to the water-to-cement ratio.
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In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
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Factors Affecting Dissolution: Particle Size and Effective Surface Area

Dissolution kinetics, an essential aspect of oral drug delivery, is significantly influenced by the drug's particle size. According to the Noyes-Whitney dissolution model, the dissolution rate correlates directly with the drug's surface area. The larger the surface area, the higher the drug's solubility in water, leading to a faster drug dissolution rate. Reducing particle size increases the effective surface area, enhancing the dissolution process. Micronization and nanosizing are...
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In an experiment conducted during a Mars mission, a rover propels a projectile with an initial velocity, and the projectile rebounds after colliding with the Martian surface. To ascertain the maximum height attained by the projectile after this collision, the known restitution coefficient and acceleration due to gravity are employed.
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