Oil recovery by spontaneous imbibition from partially water-covered matrix blocks with different boundary conditions

Meng, Qingbang; Cai, Zhongxian; Cai, Jianchao; Yang, Feng

doi:10.1016/j.petrol.2018.09.075

Cited by 53 publications

(30 citation statements)

References 32 publications

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“…However, the shape of imbibition recovery curve may not be similar for different boundary condition, especially for cores with different geometrical shapes (Mirzaei-Paiaman et al, 2017;Jing et al, 2019). Accordingly, Meng et al (2019b) proposed a novel characteristic length function which is a function of imbibition time as follows:…”

Section: Scaling Of Spontaneous Imbibition Data With Different Boundamentioning

confidence: 99%

“…However, for 2D partially water-covered spontaneous imbibition, the pattern of fluid flow is very complex and the scaling results are not satisfactory using Ma et al (1997) characteristic length (Standnes, 2004). Meng et al (2019b) investigated features of spontaneous imbibition for 2D partially watercovered matrix blocks with different boundary conditions. It is reported that the most important two factors that affect the rate of imbibition are the area of water-covered face and the distance from the water face to oil face.…”

Section: Scaling Of Spontaneous Imbibition Data With Different Boundamentioning

confidence: 99%

“…Nooruddin and Blunt (2016) reported a semianalytical solutions for co-current imbibition with considering the counter-current flow of oil from the inlet face. They also present approximate solutions by use of a perturbative appro- (Meng et al, 2019b). Fig.…”

Section: Analytical Models Of Spontaneous Imbibition With Different Bmentioning

confidence: 99%

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Recent advances in spontaneous imbibition with different boundary conditions

Meng¹,

Cai²

2018

Capillarity

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Spontaneous imbibition plays an important role in many practical processes, such as oil recovery, hydrology, and environmental engineering. The past few years have witnessed a rapid development in the mechanism analysis and industry applications of spontaneous imbibition. In this paper, we focus on boundary conditions of spontaneous imbibition, which has important effects on the imbibition rate and efficiency. Various boundary conditions are first generated using different capillary model and introduced focusing on the fundamental physical mechanisms. Then, the studies of spontaneous imbibition in core scale are reviewed. The feature is discussed and the relative permeability for coand counter-current imbibition is analyzed. The scaling of imbibition data with different boundary conditions is also presented by combination of experimental and numerical methods. An analytical model to describe spontaneous imbibition is provided at the end.

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Section: Scaling Of Spontaneous Imbibition Data With Different Boundamentioning

confidence: 99%

Section: Scaling Of Spontaneous Imbibition Data With Different Boundamentioning

confidence: 99%

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Recent advances in spontaneous imbibition with different boundary conditions

Meng¹,

Cai²

2018

Capillarity

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“…Qu et al (2019) developed a coupled model for water spontaneous imbibition in shale considering the influence of clay swelling and shale damage. Meng et al (2019aMeng et al ( , 2019b built partially water-covered matrix blocks with different boundary conditions and investigated oil recovery through spontaneous imbibition under different boundary conditions. Soulaine et al (2019) built a microcontinuum framework based on an FIB-SEM image from shale and calculated multiphase flow according to the microcontinuum model.…”

Section: Handy's Modelmentioning

confidence: 99%

Spontaneous imbibition in shale: A review of recent advances

Singh

Cai

2019

Capillarity

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Spontaneous imbibition in shale is commonly observed during and after hydraulic fracturing. This mechanism greatly influences hydrocarbon recovery in shale plays, therefore attracting increasing attention from researchers. The number of related publications is increasing. In this review, we summarize the recent advances in shale spontaneous imbibition from three aspects, namely, conventional spontaneous imbibition models, common experimental methods, and key mechanisms that need to be focused on. The major influencing factors on the shale imbibition process are discussed, and promising future works are presented on the basis of the merits and demerits of the recent studies. This study discusses the mechanisms of shale-liquid interaction, the complexity of multiphase flow in shale plays, and highlights the achievements and challenges in shale imbibition research.

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“…Generally, capillarity and gravity can be the most important contributors to oil recovery from matrix system. When fractures are filled with water, oil in matrix system could be displaced by spontaneous imbibition if the matrix block is water-wetted (Cai et al, 2014;Yang et al, 2018;Meng et al, 2019). Under the action of capillary forces, it allows the recovery of oil from the interior of the matrix block that cannot be reached by the externally applied gradients of water flooding (Abraham, 1978).…”

Section: Introductionmentioning

confidence: 99%