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    Effects of Fines Migration and Reservoir Heterogeneity on Well Productivity: Analytical Model and Field Cases

    Source: Journal of Energy Resources Technology, Part B: Subsurface Energy and Carbon Capture:;2024:;volume( 001 ):;issue: 001::page 11006-1
    Author:
    Russell, T.
    ,
    Nguyen, C.
    ,
    Loi, G.
    ,
    Mohd Shafian, S. R.
    ,
    Zulkifli, N. N.
    ,
    Zeinijahromi, A.
    ,
    Bedrikovetsky, P.
    DOI: 10.1115/1.4066057
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Formation damage due to fines migration after water breakthrough during oil and gas production results in significant well productivity decline. A recent study derived an analytical model for fines migration during commingled water–oil production in homogeneous reservoirs. Yet, reservoir heterogeneity highly affects formation damage and well productivity. This article develops an analytical model for layer-cake reservoirs. We develop a novel methodology for characterizing productivity decline by considering the impedance as a function of water-cut, two quantities that are commonly measured throughout the production life of the well. The methodology is based on a new analytical model for inflow performance in layer-cake reservoirs under fines migration. The new model integrates pseudo-phase-permeability functions for commingled water–oil production with equations for fines release and induced permeability damage. The analytical model reveals linear well impedance growth versus water-cut increase, where the slope is determined by a modified form of the mobility ratio which includes the extent of formation damage. This linear form is shown to arise when the formation damage factor is constant, regardless of the distribution of reservoir permeabilities. The model is validated by comparison with production histories of five wells from three fields, which exhibit good agreement with the linear trend predicted by the new model. The explicit formulae allows for the prediction of productivity at abandonment, determining the optimal well stimulation time, as well as reconstructing skin values during the early stages of production to better estimate the influences of other formation damage factors, like those induced during drilling and completion.
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      Effects of Fines Migration and Reservoir Heterogeneity on Well Productivity: Analytical Model and Field Cases

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4306384
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    • Journal of Energy Resources Technology, Part B: Subsurface Energy and Carbon Capture

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    contributor authorRussell, T.
    contributor authorNguyen, C.
    contributor authorLoi, G.
    contributor authorMohd Shafian, S. R.
    contributor authorZulkifli, N. N.
    contributor authorZeinijahromi, A.
    contributor authorBedrikovetsky, P.
    date accessioned2025-04-21T10:31:53Z
    date available2025-04-21T10:31:53Z
    date copyright11/25/2024 12:00:00 AM
    date issued2024
    identifier issn2998-1638
    identifier otherjertb_1_1_011006.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4306384
    description abstractFormation damage due to fines migration after water breakthrough during oil and gas production results in significant well productivity decline. A recent study derived an analytical model for fines migration during commingled water–oil production in homogeneous reservoirs. Yet, reservoir heterogeneity highly affects formation damage and well productivity. This article develops an analytical model for layer-cake reservoirs. We develop a novel methodology for characterizing productivity decline by considering the impedance as a function of water-cut, two quantities that are commonly measured throughout the production life of the well. The methodology is based on a new analytical model for inflow performance in layer-cake reservoirs under fines migration. The new model integrates pseudo-phase-permeability functions for commingled water–oil production with equations for fines release and induced permeability damage. The analytical model reveals linear well impedance growth versus water-cut increase, where the slope is determined by a modified form of the mobility ratio which includes the extent of formation damage. This linear form is shown to arise when the formation damage factor is constant, regardless of the distribution of reservoir permeabilities. The model is validated by comparison with production histories of five wells from three fields, which exhibit good agreement with the linear trend predicted by the new model. The explicit formulae allows for the prediction of productivity at abandonment, determining the optimal well stimulation time, as well as reconstructing skin values during the early stages of production to better estimate the influences of other formation damage factors, like those induced during drilling and completion.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleEffects of Fines Migration and Reservoir Heterogeneity on Well Productivity: Analytical Model and Field Cases
    typeJournal Paper
    journal volume1
    journal issue1
    journal titleJournal of Energy Resources Technology, Part B: Subsurface Energy and Carbon Capture
    identifier doi10.1115/1.4066057
    journal fristpage11006-1
    journal lastpage11006-11
    page11
    treeJournal of Energy Resources Technology, Part B: Subsurface Energy and Carbon Capture:;2024:;volume( 001 ):;issue: 001
    contenttypeFulltext
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