Control of Shear Dispersion by the Permeable Porous Wall of a Capillary Tube

Kou, Zuhao; Dejam, Morteza

doi:10.1002/ceat.201900687

Cited by 16 publications

(2 citation statements)

References 46 publications

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“…In recent years, hydraulic fracturing technology has been used widely in unconventional resources around the world . Undoubtedly, production evaluation of these wells holds important issues that should be solved by petroleum engineers. − At present, there are three methods to predict production from fractured wells: (1) analytical models, (2) numerical models, and (3) semi-analytical models. Analytical modeling is a simple and feasible method to predict production, but it does not provide an accurate prediction of production because it ignores the pressure drop in the fracture.…”

Section: Introductionmentioning

confidence: 99%

Semi-Analytical Model Based on the Volumetric Source Method to Production Simulation from Nonplanar Fracture Geometry in Tight Oil Reservoirs

Tan

Dai³

et al. 2020

ACS Omega

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Fracturing measures are common practice for horizontal wells of tight oil reservoirs. Thus, production estimation is a significant problem that should be solved. However, previous models for the production of fractured horizontal wells of tight oil reservoirs have some problems. In this paper, we present a semi-analytical model based on the volumetric source method to simulate production from nonplanar fracture geometry in a tight oil reservoir. First, we developed an analytical model based on the volumetric source method in nonplanar fracture geometry with varying widths. Second, the model was coupled with fracture flow and solved by the Gauss–Seidel iteration. Third, the semi-analytical model was verified by a numerical reservoir simulator. Finally, sensitivity analysis was conducted for several critical parameters. Results of validations showed good agreement between this paper’s model and the numerical reservoir simulator. The results from the sensitivity analysis showed that (1) production increases with an increased number of fracture segments; (2) production drops more quickly with a smaller fracture half-length in the first stage, and it drops slowly with a smaller fracture half-length in the second stage; (3) cumulative production increases more quickly with a bigger fracture conductivity; and (4) cumulative oil production from a fracture with a constant width and without stress sensitivity coefficient is smaller than that from a fracture with varying widths and with stress sensitivity coefficient. This research provides a basis and reference for production estimation in tight oil reservoirs.

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Section: Introductionmentioning

confidence: 99%

Semi-Analytical Model Based on the Volumetric Source Method to Production Simulation from Nonplanar Fracture Geometry in Tight Oil Reservoirs

Tan

Dai³

et al. 2020

ACS Omega

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show abstract

“…Over the past few decades, many researchers have focused on horizontal well oil/gas inflow along the horizontal wells, − and this problem involves complex reservoir seepage, wellbore flow, and their relationship. − Penmatcha and Aziz and Ozkan et al developed reservoir/well models by the point source function to predict the flow rate and pressure distribution along the horizontal wellbore, and the point source function was also widely used for transient pressure analysis in other gas reservoirs such as the coalbed methane gas reservoir, − but the solution of the point source function has the characteristic of singularity . Vicente et al developed a three-dimensional implicit simulator to solve the coupling equation between the reservoir and wellbore.…”

Section: Introductionmentioning

confidence: 99%

Effect of Sulfur Deposition on the Horizontal Well Inflow Profile in the Heterogeneous Sulfur Gas Reservoir

et al. 2021

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A semianalytical coupled reservoir/wellbore model based on the volumetric source for horizontal wells of sulfur gas reservoirs is presented, which considers sulfur deposition and permeability heterogeneity. Compared to the results without considering the sulfur deposition effect, the results of this paper model is better fitted to field production data and average relative errors of two simulated results are 8.37% (considering sulfur deposition) and 23.38% (not considering sulfur deposition). Based on the model, we perform sensitivity in terms of various sulfur depositions, producing pressure drop, and permeability contrast. Results show that the production decreases with increased sulfur deposition, and the flow rate along the wellbore in the horizontal well decreases because of sulfur deposition. The production without and with sulfur deposition increases with increased producing pressure drop, while the production without sulfur deposition is higher. Also, higher producing pressure drop causes a higher nonuniform inflow profile along the horizontal well. Sulfur deposition can reduce a nonuniform biased inflow profile along the horizontal well in heterogeneous sulfur gas reservoirs, but the horizontal well production is reduced. Therefore, sulfur deposition is crucial for the production prediction and inflow profile along the horizontal well in heterogeneous sulfur gas reservoirs.

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A fast and reliable methodology to evaluate maximum CO2 storage capacity of depleted coal seams: A case study

Kou

Wang

Chen

et al. 2021

Energy

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Control of Shear Dispersion by the Permeable Porous Wall of a Capillary Tube

Cited by 16 publications

References 46 publications

Semi-Analytical Model Based on the Volumetric Source Method to Production Simulation from Nonplanar Fracture Geometry in Tight Oil Reservoirs

Semi-Analytical Model Based on the Volumetric Source Method to Production Simulation from Nonplanar Fracture Geometry in Tight Oil Reservoirs

Effect of Sulfur Deposition on the Horizontal Well Inflow Profile in the Heterogeneous Sulfur Gas Reservoir

A fast and reliable methodology to evaluate maximum CO2 storage capacity of depleted coal seams: A case study

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