Differential Imaging-Based Porous Plate Measurements of Fluid Distribution and Capillary Pressure During Drainage in a Multiscale Oolitic Limestone

IF 2.7 3区工程技术 Q3 ENGINEERING, CHEMICAL

Transport in Porous Media Pub Date : 2025-04-16 DOI:10.1007/s11242-025-02171-7

Anindityo Patmonoaji, Rukuan Chai, Asli S. Gundogar, Mohamed Regaieg, Martin J. Blunt, Branko Bijeljic

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Abstract

Using a combination of a porous plate, micro-computed tomography, and differential imaging, the differential imaging porous plate (DIPP) method was employed to monitor spatial fluid distribution and measure capillary pressure between oil and water in an oolitic limestone, Ketton. Based on geological interpretation, mercury intrusion capillary pressure (MICP), and scanning electron microscopy (SEM), the pores were classified into macropores, intermediate-size pores, and micropores. Macropores are formed by the intergranular packing of ooid spheres, micropores are found within the intragranular porosity of the ooids, and intermediate-size pores arise from interstitial particles filling the macropores. This multiscale classification was validated by observing the fluid distribution patterns during drainage. A comparison with MICP showed that DIPP tends to yield lower capillary pressure values even after correction for fluid properties, consistent with previous studies on laminated sandstones. The results suggest that porous plate measurements using oil and water provide a more representative characterization of capillary pressure than MICP.

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基于差分成像的多尺度鲕状灰岩排水过程中流体分布和毛细压力的多孔板测量

采用多孔板、微计算机断层扫描和差分成像相结合的方法，采用差分成像多孔板（DIPP）方法监测了Ketton鲕状灰岩中流体的空间分布，并测量了油水之间的毛细管压力。根据地质解释、压汞毛细管压力（MICP）和扫描电镜（SEM），将孔隙划分为大孔、中孔和微孔。大孔是由球状物的粒间堆积形成的，微孔是在球状物的粒内孔隙中发现的，中等大小的孔是由间隙颗粒填充大孔形成的。通过对排水过程中流体分布规律的观察，验证了这种多尺度分类方法。与MICP的对比表明，即使对流体性质进行了校正，DIPP也倾向于产生更低的毛管压力值，这与之前对层状砂岩的研究结果一致。结果表明，使用油和水的多孔板测量比MICP提供了更有代表性的毛细压力表征。

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来源期刊

Transport in Porous Media 工程技术-工程：化工

CiteScore

5.30

自引率

7.40%

发文量

155

审稿时长

4.2 months

期刊介绍： -Publishes original research on physical, chemical, and biological aspects of transport in porous media- Papers on porous media research may originate in various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering)- Emphasizes theory, (numerical) modelling, laboratory work, and non-routine applications- Publishes work of a fundamental nature, of interest to a wide readership, that provides novel insight into porous media processes- Expanded in 2007 from 12 to 15 issues per year. Transport in Porous Media publishes original research on physical and chemical aspects of transport phenomena in rigid and deformable porous media. These phenomena, occurring in single and multiphase flow in porous domains, can be governed by extensive quantities such as mass of a fluid phase, mass of component of a phase, momentum, or energy. Moreover, porous medium deformations can be induced by the transport phenomena, by chemical and electro-chemical activities such as swelling, or by external loading through forces and displacements. These porous media phenomena may be studied by researchers from various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering).