Numerical simulation of dissolution patterns during matrix acidization of vugular carbonate cores

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ﻟﻤﺤﺎآﺎة اﻧﻤﺎط ﻣﺨﺘﻠﻔﻪ اﻻﻧﺤﻼل ﺧﻼل ﻋﻤﻠﻴﺎت اﻟﺘﺤﻔﻴﺰ ﺑﺎﻻﺣﻤﺎض ﻟﻌﻴﻨﺎت اﻟﻜﺮﺑﻮﻧﺎت ﺑﺘﺠﺎوﻳﻒ . هﺬا اﻟﻨﻤﻮذج اﻟﻌﺪدي اﻟﻤﺴﺘﺨﺪم هﻮ اﻻول ﻓﻲ اﻟﺘﺤﻘﻖ .(ذﻟ 4) ﻣﻦ ﺻﺤﺔ ﻧﺘﺎﺋﺞ اﻟﻌﻤﻞ اﻟﺘﺠﺮﻳﺒﻲ اﻟﺬي ﺗﻢ ﻓﻴﻪ ﺣﻞ اﻟﻨﻤـﻮذج اﻟﺘﻔﺎﻋﻠﻲ ﻟﺼﺨـﻮر اﻟﻜﺮﺑﻮﻧﺎت ﺑﻮاﺳﻄﺔ واﻧﺞ واﺧﺮﻳﻦ ﻳﺘﻢ ﻚ ﻋﻦ ﻃﺮﻳﻖ رﺳﻢ ﺣﺠﻢ اﻟﻤﺴﺎم ﺣﺘﻰ اﺧﺘﺮاق اﻟﻤﺎء ﻟﻠﻌﻴﻨﻪ ﺑﻮﺻﻔﻬﺎ داﻟﺔ ﻣﻦ ﻣﻌﺪل اﻟﺤﻘﻦ . ﻋﺪد ﻣﻦ ، ﺗﺄﺛﻴﺮ اﻟﻤﺴﺎﻓﺔ ﺑﻴﻦ اﻟﺘﺠﺎوﻳﻒ ، وأﺛﺮ ﺣﺠﻢ اﻟﺘﺒﺎﻳﻦ ، ﺛﻢ ﻳﺘﻢ اﺳﺘﺨﺪام اﻟﻨﻤﻮذج ﻟﺪراﺳﺔ ﺗﺄﺛﻴﺮ ﺗﻐﻴﺮ ﺗﺮآﻴﺰ اﻟﺤﻤﺾ اﻟﻤﺤﻘﻮن اﻟﺘﺠﺎوﻳﻒ وﺗﺄﺛﻴﺮ وﺟﻮد اﻟﻤﺴﺎﻣﻴﻪ اﻟﻜﺒﻴﺮﻩ ﺟﺪا ﻋﻠﻰ ﻣﺎ ﻳﻠﻲ : ، - ﺣﺠﻢ اﻟﻤﺴﺎم آﻨﺴﺒﺔ ﻣﻦ اﻟﺤﻤﺾ اﻟﻼزم ﻟﺘﺤﻘﻴﻖ اﺧﺘﺮاق اﻟﻤﺎء - أﻧﻤﺎط اﻟﺘﺄآﻞ)اﻻﺑﻌﺎد ﺑﺎﺳﺘﺨﺪام ﻧﻤـﻮذج ﺛﻨﺎﺋﻲ ( - اﻟﻮﻗﺖ درﺟﺔ ﺗﺄﺛﺮ اﻟﻀﻐﻂ ﻣﻊ ﻣﺮور . وأﻧﻤﺎط اﻟﺘﺄآﻞ ، هﺬﻩ اﻟﺪراﺳﺔ ﺗﺒﻴﻦ أن وﺟﻮد اﻟﺘﺠﺎوﻳﻒ ﻓﻲ اﻟﻤﺠﺎل ﻳﺆﺛﺮ ﻋﻠﻰ ﻣﻘﺪار ﺣﺠﻢ اﻟﻀﺦ ﻋﻨﺪ اﺧﺘﺮاق اﻟﻤﺎء واﻻﺳﺘﺠﺎﺑﺎت ﻟﻠﻀﻐﻂ ﺑﺪر آﺒﻴﺮة ﺟﺔ

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