A review on pore structure characterization in tight sandstones

This paper critically reviews the pore throat structures of tight sandstones, as assessed from peer reviewed papers in the literature as well as from the ...

Pore Structure and Fractal Characteristics of Tight Sandstones ...

The characterization of the pore structure of tight sandstones is of great importance for the exploration and development of tight oil ...

Pore structure characterization of Chang-7 tight sandstone using ...

Understanding the pore networks of unconventional tight reservoirs such as tight sandstones and shales is crucial for extracting oil/gas ...

Pore Structure and Permeability Characterization of Tight Sandstone ...

The analysis results show that (1) the connected pores of tight sandstone reservoirs are mainly mesopores, with the pore radius distribution ...

A Review of Pore Structure Characterization of Unconventional Tight ...

Nitrogen adsorption is only able to study the micropores in tight sandstones but it destructive nature limits its usage. Pressure controlled ...

Pore structure characterization and its influence on aqueous phase ...

The pore structures of tight sandstones display the multifractal fractal feature: D1 corresponding to macro-pores, and D2 corresponding to ...

Fractal Characterization of the Pore-Throat Structure in Tight ... - MDPI

The results indicate that the pore types in tight sandstone include intergranular residual pores, dissolution pores, intercrystalline pores, and microfractures.

Analysis of pore throat characteristics of tight sandstone reservoirs

In order to effectively characterize the pore -throat structure of tight sandstone in E Basin, China, this study used high-pressure mercury ...

Pore Structure Characterization, Permeability Evaluation and ...

Firstly, we review the various testing techniques used for characterizing pore structures of tight gas sandstones, namely, the characteristics of pore, throat ...

Research on the microscopic pore-throat structure and reservoir ...

The results show that : (1) The tight sandstone reservoirs in the study area mainly develop three types of pores: dissolution pores, residual ...

Pore Structure and Fractal Characteristics of Tight Sandstone - MDPI

According to the American Petroleum Institute standard (API RP-40), PoroPDP-200 Pulse decay permeameter is used to measure porosity and ...

Pore structure characterization of Chang-7 tight sandstone using ...

Abstract. Understanding the pore networks of unconventional tight reservoirs such as tight sandstones and shales is crucial for extracting oil/gas from such ...

Investigation of pore-throat structure and fractal characteristics of ...

However, the structural parameters such as the size and distribution of tight sandstone pores and throats are quantitatively calculated by HPMI, CRMI, and NMR.

Characterization and Analysis of Porosity and Pore Structures

To date, this method has been less frequently used to characterize rock pore structure. Subcritical N2-gas adsorption techniques are best suited ...

Analysis of pore throat characteristics of tight sandstone reservoirs

In order to effectively characterize the pore -throat structure of tight sandstone in E Basin, China, this study used high-pressure mercury intrusion (HPMI) ...

Pore structure of tight sandstones with differing permeability: The He ...

The results indicate that in this area, the pores of the tight sandstone are primarily dissolution and intercrystalline pores, with occasional ...

Characterization of pore structure and reservoir properties of tight ...

The images of CTS and SEM show that the main lithology of this oil reservoir is tight sandstone, and the pore types are mainly intergranular dissolved pores and ...

Study on Pore Structures of Tight Sandstone Reservoirs Based on ...

RCMI tests show that there is no significant difference in pore radius distribution of the tight sandstones, peaking at approximately 100,000– ...

Characterization of Nanoscale Pores in Tight Gas Sandstones Using ...

Pore structures with rich nanopores and permeability in tight gas reservoirs are poorly understood up to date.

Review on Pore Structure Characterization and Microscopic Flow ...

capillary pressure curves of tight sandstone during MIP test are shown in Figure 4. Mercury injection curve (Curve I) displays the process of mercury injecting ...