Experimental and analytical study of multidimensional imbibition in fractured porous media

Rangel-German, Edgar; Kovscek, Anthony R.

doi:10.1016/s0920-4105(02)00250-4

Cited by 154 publications

(97 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The amount of oil recovered is very low at all times. This corresponds to the ''instantly filled fracture'' regime [Rangel-German and Kovscek, 2002]. Kazemi et al's transfer function gave poorer recoveries than our linear model and rapid breakthrough of water in the fractures, because it predicts a lower transfer rate.…”

Section: Discussionmentioning

confidence: 57%

See 1 more Smart Citation

Streamline‐based dual‐porosity simulation of reactive transport and flow in fractured reservoirs

Donato

Blunt

2004

Water Resources Research

View full text Add to dashboard Cite

[1] We present a streamline-based formulation to model two processes: transport of a tracer undergoing rate-limited sorption and two-phase (water/oil or air/water) transport in fractured systems, using a dual-porosity approach. We show that these two processes can be simulated using mathematically equivalent formulations. In both cases the system conceptually has two components: a flowing fraction connected to stagnant regions with transfer between the two domains. Streamlines capture movement through the flowing fraction. Fluid transfer between flowing and stagnant regions enters as a source/sink term in the one-dimensional transport equations along a streamline. To model flow and transport in fractured systems, we develop a new formulation for the transfer function that matches experimental imbibition data. Then we illustrate the streamline approach with synthetic reservoir problems. We use a finely gridded (over one million grid blocks) threedimensional domain with a highly heterogeneous permeability field to study both fracture flow and tracer transport. We find breakthrough curves that are consistent with anomalous transport described by an exponent that characterizes the longtime tail of the transit time distribution. For fracture flow we demonstrate that the speed of fluid advance in the fractures is controlled by the imbibition rate. The run times for the simulations scale approximately linearly with system size, making the method appropriate for the simulation of large numerical models.

show abstract

Section: Discussionmentioning

confidence: 57%

“…This behavior has been recognized as the ''filling-fracture'' regime identified in air-water experiments on fractured systems [Rangel-German and Kovscek, 2002].…”

Section: Discussionmentioning

confidence: 89%

Streamline‐based dual‐porosity simulation of reactive transport and flow in fractured reservoirs

Donato

Blunt

2004

Water Resources Research

View full text Add to dashboard Cite

show abstract

“…R g l-German and Ko scek [17] conducted a series of experiments to study air and oil expulsion from rock samples by capillary imbibitions of water in 3D geometry. They reported two different modes of matrix and fracture fill up.…”

Section: Group Two: Transient Functionsmentioning

confidence: 99%

Fracture-matrix transfer function in fractured porous media

Mahmood¹

2013

WIT Transactions on the Built Environment

View full text Add to dashboard Cite

One of the mathematical models dealing with fluid flow in fractured porous media is the dual porosity model. The key issue governing this model is the transfer function which representing fracture-matrix interaction. Many formulas for this function had been presented since the 1960s. In this work, a review for these formulations was done. Based on the assumption used in deriving the transfer function formulas, they are classified into two groups. The first group includes those derived assuming semi-steady (pseudo-steady) state flow and the second includes those assuming transient state flow. This work will help worker selecting the formulation that best represent the flow situation and the type of porous media.

show abstract

“…To understand how fluids communicate between the high conductivity fracture and the lower conductivity matrix requires both pore-and core-scale analysis of the problem. The core-scale experimental work is described elsewhere (Rangel-German and Kovscek 2002).…”

Section: Area 1 Multiphase Flow and Rock Propertiesmentioning

confidence: 99%

Heavy and Thermal Oil Recovery Production Mechanisms

Kovscek¹

2002

View full text Add to dashboard Cite

Experimental and analytical study of multidimensional imbibition in fractured porous media

Cited by 154 publications

References 20 publications

Streamline‐based dual‐porosity simulation of reactive transport and flow in fractured reservoirs

Streamline‐based dual‐porosity simulation of reactive transport and flow in fractured reservoirs

Fracture-matrix transfer function in fractured porous media

Heavy and Thermal Oil Recovery Production Mechanisms

Contact Info

Product

Resources

About