Prediction for steam chamber development and production performance in SAGD process

Wei, Shaolei; Cheng, Linsong; Huang, Wenjun; Huang, Shijun; Liu, Shuai

doi:10.1016/j.jngse.2014.05.021

Cited by 32 publications

(3 citation statements)

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“…It can form gravity drainage symmetry elements in the top half of oily layer by adjusting the perforation interval of vertical well. We can get the achievements that adopting the method that adjusting the perforation interval of vertical well secondary and moving up the position of horizontal well can form the stereoscopic development well pattern which are adjustable [30]. This kind of well pattern contributes to the improvement of the sweep volume of steam in SAGD symmetry elements effectively and the received reservoir thickness of single horizontal well, it even can maximum control the reserve volume of the reservoir and improve the development effect [31].…”

Section: The Influence Of Reservoir Thickness To the Steam Migration mentioning

confidence: 99%

The Research of Vapor Phase Front Migration Rules in Steam Assisted Gravity Drainage

2020

IJM

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Section: The Influence Of Reservoir Thickness To the Steam Migration mentioning

confidence: 99%

The Research of Vapor Phase Front Migration Rules in Steam Assisted Gravity Drainage

2020

IJM

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“…Figure 5 shows the temperature change curves from the observation wells at different production times. Whether it is looking at the new model, the Irani and Ghannadi model, or the data from the actual field, you can see an obvious steam cavity development shape, and you can also see a temperature peak zone in the middle of the steam chamber [19][20][21][22]. Furthermore, the peak area was approximately 50 m. As the depth of the steam chamber increased, the temperature gradually decreased from 220°C to 70°C.…”

Section: Model Validationmentioning

confidence: 99%

Expansion Velocity Model of Steam-Assisted Gravity Drainage considering Thermal Convection

Zhang

et al. 2021

Geofluids

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Steam-assisted gravity drainage (SAGD) is an important method used in the development of heavy oil. A heat transfer model in the SAGD production process is established based on the heat transfer effect caused by the temperature difference at the front edge of the steam chamber and the heat convection effect caused by the pressure difference. The observation well temperature method is used in this model to calculate the horizontal expansion speed of the steam chamber. In this manner, an expansion speed model considering heat convection and heat conduction is established for a steam chamber with a steam-assisted gravity drainage system. By comparing this with the production data extracted from the Fengcheng Oilfield target block, it is verified that the model can be effectively applied for actual field development. Simultaneously, by using the derived model, the temperature distribution at the edge of the steam chamber and production forecast can be predicted. Sensitivity analysis of the expansion rate of the steam chamber demonstrates that the larger the thermal conductivity, the faster is the steam chamber horizontal expansion speed, and the two are positively correlated; the larger the reservoir heat capacity, the slower is the steam chamber horizontal expansion speed. A larger heat capacity of the convective liquid indicates that there are more water components in the convective liquid, the viscosity of the convective liquid is low, and the expansion speed of the steam chamber increases accordingly. This research closely integrates theory with actual field production and provides theoretical support for the development of heavy oil reservoirs.

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“…Впоследствии было предложено несколько ее модификаций, основанных на введении дополнительного безразмерного эмпирического коэффициента [5] или на модификации формы паровой камеры [6]. Например, в [7] предполагается, что форма паровой камеры представляет собой комбинацию двух симметричных парабол, а не перевернутый треугольник, как было предложено в [4].…”

Section: Introductionunclassified

Study of oil filtration in porous media under the steam-assisted gravity drainage process

Kostina¹,

Zhelnin²,

Plekhov³

2018

Perm Sci. Cent. J.

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Prediction for steam chamber development and production performance in SAGD process

Cited by 32 publications

References 1 publication

The Research of Vapor Phase Front Migration Rules in Steam Assisted Gravity Drainage

The Research of Vapor Phase Front Migration Rules in Steam Assisted Gravity Drainage

Expansion Velocity Model of Steam-Assisted Gravity Drainage considering Thermal Convection

Study of oil filtration in porous media under the steam-assisted gravity drainage process

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