Archive of SID
ﺑﺮﺭﺳﻲ ﭘﺪﻳﺪﻩ ﻱ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺩﺭﻭﻥ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﻭ ﻣﻄﺎﻟﻌﻪ ﻋﻮﺍﻣﻞ ﻣﻮﺛﺮ
5
F4 ﺁﺭﻳﻦ ﻭﻻﻳﺘﻲ ،1ﺣﻤﻴﺪ ﺳﻠﻄﺎﻧﻴﺎﻥ ،2ﺑﻬﺰﺍﺩ ﺗﺨﻢ ﭼﻲ ، 3ﻋﺰﺕ ﺍﷲ ﻛﺎﻇﻢ ﺯﺍﺩﻩ ،4ﻳﺎﺳﺮ ﭘﻮﺭ ﻣﻈﺎﻫﺮﻱ
F3 F2 F1 F0
ﺩﺍﻧﺸﺠﻮﻱ ﻛﺎﺭﺷﻨﺎﺳﻲ ﺍﺭﺷﺪ ﻣﻬﻨﺪﺳﻲ ﺣﻔﺎﺭﻱ ﻭ ﺑﻬﺮﻩ ﺑﺮﺩﺍﺭﻱ ﻧﻔﺖ ،ﺩﺍﻧﺸﮕﺎﻩ ﺷﺎﻫﺮﻭﺩ
Velayati.a@live.com
ﭼﻜﻴﺪﻩ
ﺩﺭ ﺍﻳﻦ ﻣﻘﺎﻟﻪ ﻧﻔﻮﺫ ﮔﺎﺯ ﺑﻪ ﺩﺍﺧﻞ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﺣﻔﺎﺭﻱ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﺩﻗﻴﻖ ﻗﺮﺍﺭ ﻣﻲ ﮔﻴﺮﺩ .ﺍﻳﻦ ﻣﺸﻜﻞ ﺍﺯ ﺧﻄﺮﻧﺎﻙ ﺗﺮﻳﻦ ﻭ
ﭘﻴﭽﻴﺪﻩ ﺗﺮﻳﻦ ﭼﺎﻟﺸﻬﺎﻱ ﭘﻴﺶ ﺭﻭﻱ ﺻﻨﻌﺖ ﺣﻔﺎﺭﻱ ﭼﺎﻩ ﻫﺎﻱ ﻧﻔﺖ ﻭ ﮔﺎﺯ ﺑﺮ ﺷﻤﺮﺩﻩ ﻣﻲ ﺷﻮﺩ ،ﭼﺎﻟﺸﻲ ﻛﻪ ﺑﺎﻋﺚ ﺧﺴﺎﺭﺍﺕ ﻣﺎﻟﻲ
ﻭ ﺣﺘﻲ ﺟﺎﻧﻲ ﻣﻲ ﺷﻮﺩ .ﺩﺭ ﺍﻳﻦ ﭘﮋﻭﻫﺶ ﺳﻌﻲ ﺷﺪﻩ ﺭﻳﺸﻪ ﻫﺎﻱ ﭘﺪﻳﺪﻩ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺑﻪ ﻃﻮﺭ ﺟﺎﻣﻊ ﺷﻨﺎﺳﺎﻳﻲ ﺷﺪﻩ ﻭ ﻫﻤﭽﻨﻴﻦ
ﭘﺎﺭﺍﻣﺘﺮﻫﺎﻱ ﻣﻮﺛﺮ ﺩﺭ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﺍﻳﻦ ﻣﺸﻜﻞ ﺫﻛﺮ ﺷﻮﺩ .ﻋﻮﺍﻣﻞ ﮔﻮﻧﺎﮔﻮﻧﻲ ﺩﺭ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺗﺎﺛﻴﺮ ﮔﺬﺍﺭﻧﺪ ﻭ ﺭﻭﺷﻬﺎﻱ ﻣﺘﻌﺪﺩﻱ ﺑﺮﺍﻱ
ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﺍﻳﻦ ﭘﺪﻳﺪﻩ ﻣﻮﺟﻮﺩ ﺍﺳﺖ ﻭﻟﻲ ﺗﻤﺮﻛﺰ ﺍﻳﻦ ﻣﻘﺎﻟﻪ ﺭﻭﻱ ﺑﺨﺶ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﻣﺘﻨﺎﺳﺐ ﺑﺎ ﺷﺮﺍﻳﻂ ﻋﻤﻠﻴﺎﺕ ﻣﻲ ﺑﺎﺷﺪ.
ﭘﺪﻳﺪﻩ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺍﺯ ﺍﻳﻦ ﺣﻴﺚ ﭘﻴﭽﻴﺪﻩ ﺍﺳﺖ ﻛﻪ ﻧﻴﺎﺯﻣﻨﺪ ﺑﺮﺭﺳﻲ ﻫﺎﻱ ﺟﺎﻣﻊ ﻭ ﺩﻗﻴﻖ ﻭ ﻫﻤﭽﻨﻴﻦ ﺟﻤﻊ ﺁﻭﺭﻱ ﺩﺍﺩﻩ ﻫﺎﻱ
ﻣﺘﻔﺎﻭﺕ ﺩﺭ ﻓﺎﺯﻫﺎﻱ ﻣﺨﺘﻠﻒ ﻣﺮﺑﻮﻃﻪ ﺍﺳﺖ .ﻗﻄﻌﺎ ﺷﻨﺎﺧﺖ ﺟﺎﻣﻊ ﻣﺴﺎﻟﻪ ﻻﺯﻣﻪ ﻱ ﺍﺭﺍﺋﻪ ﻱ ﺭﺍﻫﻜﺎﺭﻫﺎﻱ ﻣﻨﺎﺳﺐ ﺍﺳﺖ ،ﻫﻤﻴﻨﻄﻮﺭ
ﻛﻪ ﺩﺭ ﺍﻳﻦ ﭘﮋﻭﻫﺶ ﺳﻌﻲ ﺩﺭ ﻣﻄﺎﻟﻌﻪ ﻭ ﻣﺮﻭﺭ ﻣﺸﻜﻞ ﻣﻲ ﺑﺎﺷﺪ.
ﻭﺍژﻩﻫﺎﻱ ﻛﻠﻴﺪﻱ :ﻫﻴﺪﺭﺍﺗﺎﺳﻴﻮﻥ ،ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ،ﺁﺏ ﺁﺯﺍﺩ ،ﺍﻓﺖ ﺻﺎﻓﻲ ،ﻣﻘﺎﻭﻣﺖ ﺗﺮﺍﻛﻤﻲ
-1ﺩﺍﻧﺸﺠﻮﻱ ﻛﺎﺭﺷﻨﺎﺳﻲ ﺍﺭﺷﺪ ﻣﻬﻨﺪﺳﻲ ﺣﻔﺎﺭﻱ ﻭ ﺑﻬﺮﻩ ﺑﺮﺩﺍﺭﻱ ﻧﻔﺖ ،ﺩﺍﻧﺸﮕﺎﻩ ﺷﺎﻫﺮﻭﺩ
-2ﺩﺍﻧﺸﺠﻮﻱ ﺩﻛﺘﺮﺍ ﻣﻬﻨﺪﺳﻲ ﻣﻌﺪﻥ ،ﺩﺍﻧﺸﮕﺎﻩ ﺷﺎﻫﺮﻭﺩ
-3ﺩﺍﻧﺸﻴﺎﺭ ﺩﺍﻧﺸﻜﺪﻩ ﻣﻬﻨﺪﺳﻲ ﻣﻌﺪﻥ ،ﻧﻔﺖ ﻭ ژﺋﻮﻓﻴﺰﻳﻚ ،ﺩﺍﻧﺸﮕﺎﻩ ﺷﺎﻫﺮﻭﺩ
-4ﺭﻳﻴﺲ ﭘﮋﻭﻫﺸﻜﺪﻩ ﻣﻬﻨﺪﺳﻲ ﻧﻔﺖ ﭘﮋﻭﻫﺸﮕﺎﻩ ﺻﻨﻌﺖ ﻧﻔﺖ
-5ﻛﺎﺭﺷﻨﺎﺱ ﺳﻴﻤﺎﻥ ﭘﮋﻭﻫﺸﮕﺎﻩ ﺻﻨﻌﺖ ﻧﻔﺖ
www.SID.ir
Archive of SID
-1ﻣﻘﺪﻣﻪ
ﺩﺭ ﺍﻳﻦ ﻣﻄﺎﻟﻌﻪ ﻧﻔﻮﺫ ﮔﺎﺯ ﺑﻪ ﺩﺍﺧﻞ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﺣﻔﺎﺭﻱ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﺩﻗﻴﻖ ﻗﺮﺍﺭ ﻣﻲ ﮔﻴﺮﺩ .ﺍﻳﻦ ﻣﺸﻜﻞ ﺍﺯ ﺧﻄﺮﻧﺎﻙ ﺗﺮﻳﻦ ﻭ
ﭘﻴﭽﻴﺪﻩ ﺗﺮﻳﻦ ﭼﺎﻟﺸﻬﺎﻱ ﭘﻴﺶ ﺭﻭﻱ ﺻﻨﻌﺖ ﺣﻔﺎﺭﻱ ﭼﺎﻩ ﻫﺎﻱ ﻧﻔﺖ ﻭ ﮔﺎﺯ ﺑﺮ ﺷﻤﺮﺩﻩ ﻣﻲ ﺷﻮﺩ.ﻳﻚ ﻣﻄﺎﻟﻌﻪ ﺩﺭ ﺳﺎﻝ 1995ﻣﻴﻼﺩﻱ
ﻧﺸﺎﻥ ﻣﻲ ﺩﻫﺪ ﭘﺎﻧﺰﺩﻩ ﺩﺭﺻﺪ ﺍﺯ ﺳﻴﻤﺎﻧﻜﺎﺭﻱ ﻫﺎﻱ ﺍﻭﻟﻴﻪ ﺩﺭ ﺍﻳﺎﻻﺕ ﻣﺘﺤﺪﻩ ﻧﺎﻣﻮﻓﻖ ﻫﺴﺘﻨﺪ ﻛﻪ ﺣﺪﻭﺩ ﻳﻚ ﺳﻮﻡ ﺁﻥ ﺑﺪﻟﻴﻞ ﻧﻔﻮﺫ ﮔﺎﺯ ﻭ
ﺳﻴﺎﻻﺕ ﺩﺭﻭﻥ ﺳﻴﻤﺎﻥ ﻣﻲ ﺑﺎﺷﺪ[1].
ﮔﺎﺯ ﺍﺯ ﺳﺎﺯﻧﺪ ﻫﻨﮕﺎﻣﻲ ﻗﺎﺑﻠﻴﺖ ﻧﻔﻮﺫ ﺭﺍ ﭘﻴﺪﺍ ﺧﻮﺍﻫﺪ ﻛﺮﺩ ﻛﻪ ﻓﺸﺎﺭﻱ ﺑﻴﺶ ﺗﺮ ﺍﺯ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ ﺳﺘﻮﻥ ﺩﻭﻏﺎﺏ ﺩﺍﺷﺘﻪ
ﺑﺎﺷﺪ.ﻗﻄﻌﺎ ﻳﻜﻲ ﺍﺯ ﻣﻬﻢ ﺗﺮﻳﻦ ﺭﻭﺵ ﻫﺎﻱ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺁﻧﺎﻟﻴﺰ ﻓﺸﺎﺭﻱ ﻧﺎﺣﻴﻪ ﺳﻴﻤﺎﻥ ﻛﺎﺭﻱ ﺷﺪﻩ ﻭ ﺑﺮﺭﺳﻲ ﻣﻮﺍﺯﻧﻪ ﻓﺸﺎﺭﻱ
ﺑﻴﻦ ﺳﺘﻮﻥ ﺳﻴﻤﺎﻥ ﻭ ﺳﻴﺎﻝ ﺳﺎﺯﻧﺪ ﺧﻮﺍﻫﺪ ﺑﻮﺩ.ﻃﻲ ﻓﺮﺁﻳﻨﺪ ﻫﻴﺪﺭﺍﺗﺎﺳﻴﻮﻥ ﺳﻴﻤﺎﻥ ﻭ ﺩﺭ ﻣﺮﺣﻠﻪ ژﻟﻪ ﺍﻱ ﺷﺪﻥ ﺩﻭﻏﺎﺏ ﺷﺎﻫﺪ ﻛﺎﻫﺶ
ﺣﺠﻢ ﺁﺏ ﻭ ﺑﻪ ﺗﺒﻊ ﺁﻥ ﺍﻓﺖ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ ﺳﺘﻮﻥ ﺳﻴﻤﺎﻥ ﻫﺴﺘﻴﻢ .ﺑﺎﻳﺪ ﺩﺭ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﺑﻪ ﺍﻳﻦ ﻣﺴﺎﻟﻪ ﺩﻗﺖ ﻭﻳﮋﻩ ﺍﻱ ﺷﻮﺩ.
ﺩﺭ ﮔﺬﺷﺘﻪ ﺑﺎ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺭﻭﺵ ﺑﻴﻜﺮ ﻭ ﺩﺳﺘﮕﺎﻩ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﻣﻄﺎﻟﻌﺎﺗﻲ ﺭﻭﻱ ﻣﺸﻜﻞ ﻧﻔﻮﺫ ﮔﺎﺯ ﺩﺍﺧﻞ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﺍﻧﺠﺎﻡ
ﺷﺪﻩ ﺍﺳﺖ ﻛﻪ ﺍﻟﺒﺘﻪ ﺩﺍﺭﺍﻱ ﺍﻳﺮﺍﺩﺍﺗﻲ ﻣﻲ ﺑﺎﺷﻨﺪ.ﺑﻪ ﻃﻮﺭ ﻣﺜﺎﻝ ﺭﻭﺵ ﺑﻴﻜﺮ ﻣﺘﺪﻱ ﺳﺮﺍﻧﮕﺸﺘﻲ ﺑﻮﺩﻩ ﻭ ﺩﺭ ﺭﻭﺵ ﺍﻧﺪﺍﺯﻩ ﮔﻴﺮﻱ ﻣﻘﺎﻭﺕ ژﻟﻪ
ﺍﻱ ﺳﻴﻤﺎﻥ ﻧﻔﻮﺫ ﮔﺎﺯ ﻋﻤﻼ ﻗﺎﺑﻠﻴﺖ ﺍﻧﺪﺍﺯﻩ ﮔﻴﺮﻱ ﻧﺒﻮﺩ.
ﺩﺭ ﺑﺴﻴﺎﺭﻱ ﺍﺯ ﻛﺎﺭﻫﺎﻱ ﻗﺒﻠﻲ ﺍﺯ ﺩﺳﺘﮕﺎﻩ SGSAﺍﺳﺘﻔﺎﺩﻩ ﺷﺪﻩ ﺍﺳﺖ.ﺍﻳﻦ ﺩﺳﺘﮕﺎﻩ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﺍﺳﺘﺎﺗﻴﻚ ﺳﻴﻤﺎﻥ ﺭﺍ ﺍﻧﺪﺍﺯﻩ
ﻣﻴﮕﻴﺮﺩ ﻭ ﺑﻪ ﺍﻳﻦ ﺗﺮﺗﻴﺐ ﺩﺭ ﺣﻞ ﻣﺸﻜﻞ ﻧﻔﻮﺫ ﮔﺎﺯ ﻣﻔﻴﺪ ﺍﺳﺖ [2].ﺭﻭﺵ ﺑﻴﻜﺮ ﻫﻢ ﺭﻭﺷﻲ ﺳﺎﺩﻩ ﺑﺎ ﻣﺤﺪﻭﺩﻳﺘﻬﺎﻱ ﻣﺨﺘﻠﻒ ﺍﺯ ﺟﻤﻠﻪ
ﻓﺸﺎﺭ ﻣﻲ ﺑﺎﺷﺪ.
ﺩﺭ ﻣﻄﺎﻟﻌﺎﺕ ﻗﺒﻠﻲ ﺗﻌﺪﺍﺩﻱ ﺍﺯ ﺍﻓﺰﺍﻳﻪ ﻫﺎ ﺑﺮﺍﻱ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﻣﺸﻜﻞ ﻧﻔﻮﺫ ﮔﺎﺯ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﻗﺮﺍﺭ ﮔﺮﻓﺘﻪ ﺍﻧﺪ]،[3ﻫﭽﻨﻴﻦ ﺩﻻﻳﻞ ﻭ
ﺭﻭﺷﻬﺎﻱ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﺍﻳﻦ ﻣﺸﻜﻞ ﺷﻨﺎﺳﺎﻳﻲ ﺷﺪﻩ ﺍﻧﺪ][4,5,6ﻭ ﻣﺘﺪﻫﺎﻱ ﮔﻮﻧﺎﮔﻮﻥ ﻭ ﻧﻮﻳﻨﻲ ﺑﻪ ﻋﻨﻮﺍﻥ ﺭﺍﻩ ﺣﻞ ﻣﻌﺮﻓﻲ ﺷﺪﻩ ﺍﻧﺪ[7].
ﺗﺤﻘﻴﻘﺎﺕ ﺁﺯﻣﺎﻳﺸﮕﺎﻫﻲ ﺛﺎﺑﺖ ﻛﺮﺩﻩ ﺍﻧﺪ ﻛﻪ ﺳﻪ ﻧﻮﻉ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺍﺯ ﺩﺍﺧﻞ ﻓﻀﺎﻱ ﺣﻠﻘﻮﻱ ﺭﺥ ﻣﻲ ﺩﻫﻨﺪ ﻛﻪ ﺑﺎ ﻃﺮﺍﺣﻲ ﺩﻗﻴﻖ
ﺗﺮﻛﻴﺐ ﺳﻴﻤﺎﻥ ﻗﺎﺑﻞ ﻛﻨﺘﺮﻝ ﻫﺴﺘﻨﺪ.ﻧﻮﻉ ﺍﻭﻝ ﻓﻀﺎﻱ ﺧﺎﻟﻲ ﻣﻮﺟﻮﺩ ﺑﻴﻦ ﺳﻴﻤﺎﻥ ﻭ ﻟﻮﻟﻪ ﺟﺪﺍﺭﻱ ﺍﺳﺖ ﻛﻪ ﺩﺭ ﻧﺘﻴﺠﻪ ﺁﻥ ﮔﺎﺯ ﺑﻴﻦ
ﺳﻴﻤﺎﻥ ﻭ ﻟﻮﻟﻪ ﺟﺪﺍﺭﻱ ﻣﻬﺎﺟﺮﺕ ﻣﻲ ﻛﻨﺪ.ﻛﺎﺭ ﻫﺎﻱ ﻗﺒﻠﻲ ﻧﺸﺎﻥ ﺩﺍﺩﻩ ﺍﻓﺰﺍﻳﻪ ﻣﮕﻨﺘﻴﺖ ﻓﻀﺎﻱ ﺧﺎﻟﻲ ﻣﻮﺟﻮﺩ ﻭ ﺩﺭ ﻧﺘﻴﺠﻪ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺭﺍ
ﻛﻨﺘﺮﻝ ﻣﻴﻜﻨﺪ.ﺩﻭﻣﻴﻦ ﻧﻮﻉ ﻓﻀﺎﻱ ﺧﺎﻟﻲ ﺑﻴﻦ ﻟﻮﻟﻪ ﺟﺪﺍﺭﻱ ﻭ ﺩﻳﻮﺍﺭﻩ ﭼﺎﻩ ﺩﺭ ﻣﺤﻞ ﺗﺸﻜﻴﻞ ﻛﻴﻚ ﺳﻴﺎﻝ ﺣﻔﺎﺭﻱ ﺍﺳﺖ ﻛﻪ ﺑﺎﻋﺚ ﺗﻀﻌﻴﻒ
ﻓﺮﺁﻳﻨﺪ ﺑﻨﺪﺵ ﺳﻴﻤﺎﻥ ﻣﻲ ﺷﻮﺩ ﻛﻪ ﺗﺤﻘﻴﻘﺎﺕ ﺁﺯﻣﺎﻳﺸﮕﺎﻫﻲ ﻧﺸﺎﻥ ﻣﻲ ﺩﻫﺪ ﺑﺮﺍﻱ ﻛﻨﺘﺮﻝ ﺍﻳﻦ ﭘﺪﻳﺪﻩ ﺍﻓﺰﺍﻳﻪ clay anchorageﻛﺎﺭﺍﻳﻲ
ﻣﻨﺎﺳﺒﻲ ﺩﺍﺭﺩ.ﺳﻮﻣﻴﻦ ﻭ ﭘﻴﭽﻴﺪﻩ ﺗﺮﻳﻦ ﻓﺮﺁﻳﻨﺪ ﺗﻐﻴﻴﺮ ﻓﺸﺎﺭ ﺩﺭ ﻃﻲ ﻣﺮﺣﻠﻪ ﺑﻨﺪﺵ ﺍﺳﺖ ﻛﻪ ﺑﺎ ﺍﻓﺰﻭﺩﻥ ﻣﻘﺪﺍﺭ ﺻﺤﻴﺢ ﺍﻻﺳﺘﻮﻣﺮ ﻗﺎﺑﻞ
ﻛﻨﺘﺮﻝ ﻣﻲ ﺑﺎﺷﺪ.
ﺩﺭ ﻓﺎﺯ ﻋﻤﻠﻴﺎﺗﻲ ﻧﻴﺰ ﺗﻜﻨﻴﻚ ﻫﺎﻱ ﻧﻮﻳﻦ ﻭ ﻣﻮﺛﺮﻱ ﺟﻬﺖ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﻣﺸﻜﻞ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﻣﻌﺮﻓﻲ ﺷﺪﻩ ﺍﻧﺪ.ﺗﺤﻘﻴﻘﺎﺕ ﺩﺍﻣﻨﻪ ﺩﺍﺭ ﺩﺭ
ﺍﻳﻦ ﺯﻣﻴﻨﻪ ﺛﺎﺑﺖ ﻛﺮﺩﻩ ﺍﻧﺪ ﻛﻪ ﻧﻴﺮﻭﻱ ﺟﺎﺫﺑﻪ ﺑﻴﻦ ﺫﺭﺍﺕ ﺳﻴﻤﺎﻥ ﺭﺍ ﻣﻲ ﺗﻮﺍﻥ ﺑﻪ ﺁﺳﺎﻧﻲ ﺑﺎ ﺍﺭﺗﻌﺎﺵ ﻳﺎ ﺑﻪ ﻧﻮﺳﺎﻥ ﺩﺭ ﺁﻭﺭﺩﻥ ﺩﻭﻏﺎﺏ ﺑﻌﺪ ﺍﺯ
ﺍﻳﻦ ﻛﻪ ﺑﻪ ﺣﺎﻟﺖ ﺍﻳﺴﺘﺎ ﺩﺭ ﺁﻣﺪ ﺷﻜﺴﺖ ﻛﻪ ﺍﻳﻦ ﺍﺭﺗﻌﺎﺵ ﺑﺎﻋﺚ ﻣﻲ ﺷﻮﺩ ﺳﻴﻤﺎﻥ ﺑﻪ ﺣﺎﻟﺖ ﻣﺎﻳﻊ ﺩﺭﺁﻣﺪﻩ ﻭ ﺩﺭ ﻃﻮﻝ ﺑﻨﺪﺵ ﺳﻴﻤﺎﻥ
ﻳﻚ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻚ ﻛﺎﻣﻞ ﺭﻭﻱ ﺳﺎﺯﻧﺪ ﺍﻋﻤﺎﻝ ﺷﻮﺩ.ﺭﻭﺷﻬﺎﻱ ﺩﻳﮕﺮﻱ ﻧﻴﺰ ﻣﺜﻞ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺳﻴﻤﺎﻥ ﺑﺎ ﺗﺮﺍﻭﺍﻳﻲ ﭘﺎﻳﻴﻦ ﻧﻴﺰ ﺟﻬﺖ
ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﺍﻳﻦ ﻣﺸﻜﻞ ﻣﻌﺮﻓﻲ ﺷﺪﻩ ﺍﺳﺖ.
ﻧﻮﻉ ﺩﺍﺩﻩ ﻫﺎ ﻭﻳﮋﮔﻴﻬﺎﻱ ﺩﻭﻏﺎﺑﻬﺎﻱ ﺳﻴﻤﺎﻥ ﺩﺭ ﺣﺎﻻﺕ ﻣﺨﺘﻠﻒ ﺭﺍ ﻧﻤﺎﻳﻨﺪﮔﻲ ﻣﻴﻜﻨﻨﺪ.ﺷﺎﻣﻞ ﺗﺮﺍﻭﺍﻳﻲ ﻧﻤﻮﻧﻪ ﻫﺎ ،ﻣﻘﺎﻭﺕ ژﻟﻪ ﺍﻱ ﻭ
ﺍﺳﺘﺤﻜﺎﻡ ﺗﺮﺍﻛﻤﻲ ﺁﻧﻬﺎ ﻭ ﻟﺤﺎﻅ ﺯﻣﺎﻥ ﺑﻨﺪﺵ ﻭ ﺯﻣﺎﻥ ﺍﻧﺘﻘﺎﻟﻲ ﺳﻴﻤﺎﻥ ﺩﺭ ﺗﺒﺪﻳﻞ ﺍﺯ ﺣﺎﻟﺖ ژﻟﻪ ﺍﻱ.
ﺩﺭ ﻧﻬﺎﻳﺖ ﺩﺍﺩﻩ ﻫﺎﻱ ﻧﻤﻮﻧﻪ ﻫﺎﻱ ﻣﺨﺘﻠﻒ ﺍﻧﻮﺍﻉ ﺗﺮﻛﻴﺒﺎﺕ ﺳﻴﻤﺎﻥ ﻭ ﺍﻓﺰﺍﻳﻪ ﻫﺎﻱ ﺁﻥ ﺟﻤﻊ ﺁﻭﺭﻱ ﺷﺪﻩ ﻭ ﺑﺮ ﺍﺳﺎﺱ ﺗﻌﻴﻴﻦ ﻛﻴﻔﻲ ﻭ
ﻛﻤﻲ ﺭﻓﺘﺎﺭ ﺳﻴﻤﺎﻥ ﺩﺭ ﺑﺮﺍﺑﺮ ﭘﺪﻳﺪﻩ ﻧﻔﻮﺫ ﮔﺎﺯ ﻣﻮﺭﺩ ﺗﺤﻠﻴﻞ ﻭ ﺑﺮﺭﺳﻲ ﻗﺮﺍﺭ ﮔﺮﻓﺘﻪ ﻭ ﺩﺭ ﻧﻬﺎﻳﺖ ﻓﺮﻣﻮﻻﺳﻴﻮﻥ ﺑﻬﻴﻨﻪ ﺍﺯ ﺍﻳﻦ ﻃﺮﻳﻖ ﺩﺭ
ﺷﺮﺍﻳﻂ ﻭﺍﻗﻌﻲ ﭼﺎﻩ ﺍﺗﺨﺎﺏ ﻣﻲ ﺷﻮﺩ.
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-2ﻋﻮﺍﻣﻞ ﻣﻮﺛﺮ ﺩﺭ ﻧﻔﻮﺫ ﮔﺎﺯ ﻭ ﺭﻭﺵ ﻫﺎﻱ ﻣﻘﺎﺑﻠﻪ
ﭘﺎﺭﺍﻣﺘﺮﻫﺎﻱ ﺑﺴﻴﺎﺭﻱ ﺩﺭ ﺯﻣﻴﻨﻪ ﻧﻔﻮﺫ ﮔﺎﺯ ﺗﺎﺛﻴﺮ ﮔﺬﺍﺭ ﻫﺴﺘﻨﺪ .ﺍﻳﻦ ﻋﻮﺍﻣﻞ ﺩﺭ ﻓﺎﺯﻫﺎﻱ ﻣﺨﺘﻠﻔﻲ ﻫﻤﭽﻮﻥ ﻋﻤﻠﻴﺎﺕ ﻭ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ
ﻋﻤﻞ ﻣﻲ ﻛﻨﻨﺪ.ﺷﻨﺎﺧﺖ ﺍﻳﻦ ﻋﻮﺍﻣﻞ ﻣﻮﺟﺒﺎﺕ ﺩﺭﻙ ﺑﻬﺘﺮ ﻣﻮﺿﻮﻉ ﻭ ﺍﺭﺍﺋﻪ ﺭﺍﻫﻜﺎﺭﻫﺎﻱ ﻣﻔﻴﺪ ﺭﺍ ﻓﺮﺍﻫﻢ ﻣﻲ ﻧﻤﺎﻳﺪ.ﻓﺮﺁﻳﻨﺪ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﻧﻔﻮﺫ ﮔﺎﺯ ﺑﻪ ﺻﻮﺭﺕ
ﺳﺎﺩﻩ ﺩﺭ ﺷﻜﻞ ﺷﻤﺎﺭﻩ ﻱ 1ﺑﻪ ﻧﻤﺎﻳﺶ ﺩﺭ ﺁﻣﺪﻩ ﺍﺳﺖ.
ﺷﻜﻞ -1ﻓﺮﺁﻳﻨﺪ ﻣﻘﺎﺑﻠﻪ ﺑﺎ ﻧﻔﻮﺫ ﮔﺎﺯ
ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﺷﻜﻞ 1ﻣﺸﺨﺺ ﺍﺳﺖ ﻛﻪ ﻃﺮﺍﺣﻲ ﻭ ﺑﻬﻴﻨﻪ ﺳﺎﺯﻱ ﺩﻭﻏﺎﺏ ﺍﺯ ﻣﻬﻢ ﺗﺮﻳﻦ ﺍﺑﺰﺍﺭ ﻣﻮﺟﻮﺩ ﺩﺭ ﻓﺮﺁﻳﻨﺪ ﻣﺒﺎﺭﺯﻩ ﺑﺎ ﻣﻬﺎﺟﺮﺕ
ﮔﺎﺯ ﺍﺳﺖ.ﭘﺎﺭﺍﻣﺘﺮﻫﺎﻱ ﻣﺘﻌﺪﺩﻱ ﺍﺯ ﺩﻭﻏﺎﺏ ﺑﺎﻳﺪ ﺑﺎ ﺑﻬﻴﻨﻪ ﺳﺎﺯﻱ ﻓﺮﻣﻮﻻﺳﻴﻮﻥ ﺍﺻﻼﺡ ﺷﻮﻧﺪ ﻭ ﺑﻪ ﺣﺪ ﻣﻄﻠﻮﺏ ﺑﺮﺳﻨﺪ.ﺩﺭ ﺍﻳﻦ ﺯﻣﻴﻨﻪ ﻣﻲ
ﺗﻮﺍﻥ ﺍﺯ ﻭﻳﮋﮔﻲ ﻫﺎﻳﻲ ﭼﻮﻥ ﺩﺍﻧﺴﻴﺘﻪ ،ﺍﻓﺖ ﺻﺎﻓﻲ ﻭ ﺁﺏ ﺁﺯﺍﺩ ،ﻭﺿﻌﻴﺖ ﺗﻪ ﻧﺸﻴﻨﻲ ﺫﺭﺍﺕ ،ﺧﻮﺍﺹ ﺭﺋﻮﻟﻮژﻳﻜﻲ ،ﭘﺮﻭﻓﻴﻞ ﻫﺎﻱ ﺑﻨﺪﺵ ﻭ ﺗﻮﺳﻌﻪ
ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ،ﺗﺮﺍﻭﺍﻳﻲ ﻭ ﺁﺏ ﺭﻓﺘﮕﻲ ﺩﻭﻏﺎﺏ ﻧﺎﻡ ﺑﺮﺩ .ﺗﻚ ﺗﻚ ﺍﻳﻦ ﻣﻮﺍﺭﺩ ﺩﺭ ﺣﻴﻦ ﺍﺭﺯﻳﺎﺑﻲ ﺩﻭﻏﺎﺏ ﺑﺎﻳﺴﺘﻲ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﻗﺮﺍﺭ ﺑﮕﻴﺮﻧﺪ ﺗﺎ
ﺍﺳﺘﺎﻧﺪﺍﺭﺩﻫﺎﻱ ﻣﻮﺭﺩ ﻗﺒﻮﻝ ﺣﺎﺻﻞ ﺷﻮﻧﺪ .ﺑﺎ ﺍﻳﻦ ﺣﺎﻝ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﺑﻲ ﻧﻘﺺ ﺗﻀﻤﻴﻨﻲ ﺑﺮﺍﻱ ﻣﻘﺎﻭﻣﺖ ﻛﺎﻣﻞ ﺩﺭ ﺑﺮﺍﺑﺮ ﭘﺪﻳﺪﻩ ﻱ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ
ﻧﻴﺴﺖ .ﻭﺟﻮﺩ ﮔﻞ ﺣﻔﺎﺭﻱ ﻭ ﻛﻴﻚ ﮔﻞ ﺩﺍﺧﻞ ﭼﺎﻩ ﺑﺎﻋﺚ ﻣﻲ ﺷﻮﺩ ﻣﻴﻜﺮﻭﺁﻧﺎﻟﻮﺳﻬﺎﻳﻲ ﭘﺲ ﺍﺯ ﺑﻨﺪﺵ ﺳﻴﻤﺎﻥ ﺩﺭ ﺁﻥ ﺷﻜﻞ ﺑﮕﻴﺮﺩ ﻛﻪ ﺩﺭ ﻭﺍﻗﻊ
ﻣﺴﻴﺮﻱ ﺭﺍ ﺑﺮﺍﻱ ﺟﺮﻳﺎﻥ ﻳﺎﻓﺘﻦ ﮔﺎﺯ ﺳﺎﺯﻧﺪﻱ ﺍﻳﺠﺎﺩ ﻣﻲ ﻧﻤﺎﻳﺪ.
ﺍﻭﻟﻴﻦ ﻣﺴﺌﻠﻪ ﺍﻱ ﻛﻪ ﺑﺎﻳﺪ ﺑﻪ ﺩﻗﺖ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﻗﺮﺍﺭ ﺑﮕﻴﺮﺩ ﻣﺴﺎﻟﻪ ﺩﺍﻧﺴﻴﺘﻪ ﺩﻭﻏﺎﺏ ﭘﻴﺸﻨﻬﺎﺩﻱ ﺍﺳﺖ .ﺳﺘﻮﻥ ﺩﻭﻏﺎﺏ ﺑﺎﻳﺪ ﺗﻮﺍﻧﺎﻳﻲ ﻣﻘﺎﺑﻠﻪ ﺑﺎ
ﻓﺸﺎﺭ ﺳﺎﺯﻧﺪﻱ ﺭﺍ ﺩﺍﺷﺘﻪ ﺑﺎﺷﺪ .ﺩﺭ ﻫﻤﻴﻦ ﻣﻮﺿﻮﻉ ﻣﻬﻢ ﺍﺳﺖ ﻛﻪ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ ﺳﻴﻤﺎﻥ ﻫﻤﻴﺸﻪ ﺩﺭ ﺣﺎﻟﺖ ﻓﺮﺍﺗﻌﺎﺩﻟﻲ ﻧﺴﺒﺖ ﺑﻪ ﻓﺸﺎﺭ ﺳﺎﺯﻧﺪ
ﺑﺎﺷﺪ ،ﻳﻌﻨﻲ ﻓﺸﺎﺭﻱ ﺑﺎﻻﺗﺮ ﺍﺯ ﻓﺸﺎﺭ ﺣﻔﺮﻩ ﺳﺎﺯﻧﺪ ﻭ ﺍﻟﺒﺘﻪ ﻛﻢ ﺗﺮ ﺍﺯ ﻓﺸﺎﺭ ﺷﻜﺴﺖ ﺳﺎﺯﻧﺪ.ﭼﺎﻩ ﻧﮕﺎﺭﻱ ﻭ ﻣﻐﺰﻱ ﮔﻴﺮﻱ ﺍﺑﺰﺍﺭﻱ ﺍﻟﺰﺍﻣﻲ ﺩﺭ ﻣﺤﺎﺳﺒﻪ
ﺩﺍﻧﺴﻴﺘﻪ ﺳﺎﺯﻧﺪ ﻫﺴﺘﻨﺪ.ﻗﺒﻞ ﺍﺯ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﻣﻲ ﺑﺎﻳﺴﺖ ﮔﺮﺍﺩﻳﺎﻥ ﻫﺎﻱ ﻓﺸﺎﺭﻱ ﺳﺎﺯﻧﺪ ﻣﺤﺎﺳﺒﻪ ﺷﻮﻧﺪ.ﺩﺭ ﻭﺍﻗﻊ ﻫﺮ ﭼﻘﺪﺭ ﺍﻃﻼﻋﺎﺕ ﺑﻴﺸﺘﺮﻱ ﺍﺯ
ﻻﻳﻪ ﻫﺎ ﻱ ﺣﺎﻭﻱ ﺳﻴﺎﻝ ﺩﺍﺷﺘﻪ ﺑﺎﺷﻴﻢ ﻧﺘﻴﺠﺘﺎ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﺑﻬﺘﺮ ﺍﻧﺠﺎﻡ ﺧﻮﺍﻫﺪ ﮔﺮﻓﺖ.
ﻫﻤﮕﻨﻲ ﻭ ﻋﺪﻡ ﺗﻪ ﻧﺸﻴﻨﻲ ﺩﻳﮕﺮ ﻓﺎﻛﺘﻮﺭ ﻣﻬﻢ ﺩﺭ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﺍﺳﺖ.ﺩﺭ ﻭﺍﻗﻊ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﺑﺎﻳﺪ ﻇﺎﻫﺮﻱ ﻣﻨﺎﺳﺐ ﻭ ﻳﻜﺪﺳﺖ ﺩﺍﺷﺘﻪ
ﺑﺎﺷﺪ .ﺩﻭﻏﺎﺑﻲ ﻛﻪ ﺍﺯ ﺍﻳﻦ ﻟﺤﺎﻅ ﺍﺳﺘﺎﻧﺪﺍﺭﺩ ﻧﺒﺎﺷﺪ ﺗﻮﺯﻳﻊ ﺩﺍﻧﺴﻴﺘﻪ ﺩﺭ ﺁﻥ ﺑﺪﺭﺳﺘﻲ ﺍﻧﺠﺎﻡ ﻧﻤﻲ ﭘﺬﻳﺮﺩ ﻭ ﮔﺎﺯ ﺩﺭ ﻧﻘﺎﻁ ﻛﻢ ﻓﺸﺎﺭ ﺗﺮ ﺳﻴﻤﺎﻥ ﺗﻮﺍﻧﺎﻳﻲ
ﻧﻔﻮﺫ ﺧﻮﺍﻫﺪ ﺩﺍﺷﺖ.
ﭘﺮﻭﻓﻴﻞ ﺑﻨﺪﺵ ﺳﻴﻤﺎﻥ ﻧﻴﺰ ﺩﺭ ﺍﺭﺯﻳﺎﺑﻲ ﻋﻤﻠﻜﺮﺩ ﺩﻭﻏﺎﺏ ﺩﺭ ﺑﺮﺍﺑﺮ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﻗﺮﺍﺭ ﻣﻴﮕﻴﺮﺩ .ﺳﻴﻤﺎﻧﻲ ﻛﻪ ﺗﻮﺳﻌﻪ ﺑﻨﺪﺵ ﺁﻥ ﺑﺎ
ﺳﺮﻋﺖ ﺑﻴﺸﺘﺮﻱ ﺍﻧﺠﺎﻡ ﮔﻴﺮﺩ ﻋﻤﻠﻜﺮﺩ ﺑﻬﺘﺮﻱ ﺭﺍ ﺧﻮﺍﻫﺪ ﺩﺍﺷﺖ.ﺑﻪ ﺍﻳﻦ ﻣﻌﻨﻲ ﻛﻪ ﺑﻨﺪﺵ ﺁﻥ ﺗﺪﺭﻳﺠﻲ ﻧﺒﺎﺷﺪ ﻭ ﺍﻓﺰﺍﻳﺶ ﻗﻮﺍﻡ ﺩﻭﻏﺎﺏ ﺩﺭ ﺩﻭﺭﻩ ﺯﻣﺎﻧﻲ
ﻛﻮﺗﺎﻩ ﺍﻧﺠﺎﻡ ﭘﺬﻳﺮﺩ.ﺷﻜﻞ ﺷﻤﺎﺭﻩ 2ﻧﺸﺎﻥ ﺩﻫﻨﺪﻩ ﺍﻳﻦ ﻧﻮﻉ ﺭﻓﺘﺎﺭ ﺩﺭ ﻳﻜﻲ ﺍﺯ ﺩﻭﻏﺎﺑﻬﺎﻱ ﻣﻮﺭﺩ ﺁﺯﻣﺎﻳﺶ ﺍﺳﺖ.ﻋﺪﻡ ﻛﺎﻫﺶ ﭼﺸﻤﮕﻴﺮ ﺣﺠﻢ ﺁﺏ ﻣﺰﻳﺖ
ﺩﻭﻏﺎﺑﻬﺎﻳﻲ ﺑﺎ ﺍﻳﻦ ﭘﺮﻭﻓﻴﻞ ﺑﻨﺪﺵ ﺍﺳﺖ.
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ﺷﻜﻞ -2ﭘﺮﻭﻓﻴﻞ ﺑﻨﺪﺵ ﻣﻨﺎﺳﺐ ﻳﻚ ﻧﻤﻮﻧﻪ ﺩﻭﻏﺎﺏ ﻣﻮﺭﺩ ﺁﺯﻣﺎﻳﺶ
ﻫﻤﺎﻧﻨﺪ ﭘﺮﻭﻓﻴﻞ ﺑﻨﺪﺵ ﺭﻭﻧﺪ ﺗﻮﺳﻌﻪ ﺍﺳﺘﺤﻜﺎﻡ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﺩﻭﻏﺎﺏ ﻧﻴﺰ ﺑﺎﻳﺪ ﺑﻪ ﺩﻗﺖ ﺑﺮﺭﺳﻲ ﺷﻮﺩ.ﺍﺭﺯﻳﺎﺑﻲ ﺍﻳﻦ ﻓﺎﻛﺘﻮﺭ
ﻛﻠﻴﺪﻱ ﺍﻣﺮﻭﺯﻩ ﺩﺭ ﺩﺳﺘﻮﺭ ﻛﺎﺭ ﺍﻏﻠﺐ ﺍﺭﮔﺎﻧﻬﺎﻱ ﭘﮋﻭﻫﺸﻲ ﻗﺮﺍﺭ ﺩﺍﺭﺩ .ﺑﺎ ﺍﻓﺰﺍﻳﺶ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﺷﺎﻫﺪ ﻛﺎﻫﺶ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ
ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﺑﻪ ﻋﻠﺖ ﻛﺎﻫﺶ ﺣﺠﻢ ﭼﺸﻤﮕﻴﺮ ﺁﺏ ﺩﺭ ﺍﻳﻦ ﻣﺮﺣﻠﻪ ﺧﻮﺍﻫﻴﻢ ﺑﻮﺩ.ﺑﺎ ژﻝ ﺷﺪﻥ ﺩﻭﻏﺎﺏ ،ﺳﻴﻤﺎﻥ ﺗﺒﺪﻳﻞ ﺑﻪ ﻣﺎﺩﻩ ﺧﻤﻴﺮﻱ
ﺷﻜﻠﻲ ﻣﻲ ﺷﻮﺩ ﻛﻪ ﻳﻚ ﻓﻀﺎﻱ ﺷﺒﻪ ﻣﺘﺨﻠﺨﻞ ﺩﺍﺭﺍﻱ ﺗﺮﺍﻭﺍﻳﻲ ﻗﻠﻤﺪﺍﺩ ﻣﻲ ﺷﻮﺩ.ﺍﺯ ﺳﻮﻱ ﺩﻳﮕﺮ ﺑﺎ ﺍﺯ ﺩﺳﺖ ﺭﻓﺘﻦ ﺁﺏ ﺳﻴﻤﺎﻥ ﺗﻮﺍﻧﺎﻳﻲ
ﺍﻧﺘﻘﺎﻝ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ ﺳﻴﻤﺎﻥ ﻛﺎﻫﺶ ﻣﻲ ﻳﺎﺑﺪ.ﺗﺎ ﺯﻣﺎﻧﻲ ﻛﻪ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﺳﻴﻤﺎﻥ ﺑﻪ ﻣﻘﺪﺍﺭ 500ﭘﻮﻧﺪ ﺑﺮ ﺻﺪ ﻓﻮﺕ ﻣﻜﻌﺐ
ﺑﺮﺳﺪ ﮔﺎﺯ ﻣﻲ ﺗﻮﺍﻧﺪ ﺍﺯ ﻓﺮﺻﺖ ﻛﺎﻫﺶ ﻓﺸﺎﺭ ﺩﺭ ﺩﻭﻏﺎﺏ ﺑﺪﻟﻴﻞ ﻓﺮﺁﻳﻨﺪ ژﻟﻪ ﺍﻱ ﺍﺳﺘﻔﺎﺩﻩ ﻛﻨﺪ ﻭ ﻣﻬﺎﺟﺮﺕ ﻛﻨﺪ.ﺁﻧﺎﻟﻴﺰ ﺍﻳﻦ ﭘﺎﺭﺍﻣﺘﺮ ﺗﻮﺳﻂ
ﺩﺳﺘﮕﺎﻩ ﺍﻧﺪﺍﺯﻩ ﮔﻴﺮﻱ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ SGSﺍﻧﺠﺎﻡ ﻣﻴﮕﻴﺮﺩ .ﺩﺭ ﺍﻧﺎﻟﻴﺰ ﻫﺎ ﻣﺪﺕ ﺯﻣﺎﻥ ﻃﻲ ﺷﺪﻩ ﺍﻓﺰﺍﻳﺶ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﺩﻭﻏﺎﺏ
ﻣﺨﺼﻮﺻﺎ ﺍﺯ ﻣﻘﺪﺍﺭ 250ﺗﺎ 500ﭘﻮﻧﺪ ﺑﺮ ﺻﺪ ﻓﻮﺕ ﻣﻜﻌﺐ ﻛﻪ ﺑﻪ ﺁﻥ ﺯﻣﺎﻥ ﮔﺬﺍﺭ ﺩﻭﻏﺎﺏ ﮔﻮﻳﻨﺪ ﺛﻴﺖ ﻭ ﺑﺮﺭﺳﻲ ﻣﻲ ﺷﻮﺩ.ﺑﺪﻳﻬﻲ ﺍﺳﺖ
ﻫﺮﭼﻪ ﺍﻳﻦ ﺯﻣﺎﻥ ﻛﻮﺗﺎﻫﺘﺮ ﺑﺎﺷﺪ ﺳﻴﻤﺎﻥ ﺩﺭ ﺑﺮﺍﺑﺮ ﮔﺎﺯ ﻣﻘﺎﻭﻡ ﺗﺮ ﺍﺳﺖ.ﺩﻭﺭﻩ ﺯﻣﺎﻧﻲ ﻣﻬﻢ ﺩﻳﮕﺮﻱ ﻛﻪ ﺑﺎﻳﺪ ﺛﺒﺖ ﺷﻮﺩ ﺩﻭﺭﻩ ﺑﺤﺮﺍﻧﻲ
ﻫﻴﺪﺭﺍﺗﺎﺳﻴﻮﻥ ﻧﺎﻡ ﺩﺍﺭﺩ.ﻃﻲ ﺍﻳﻦ ﻣﺪﺕ ﺯﻣﺎﻥ ﺍﻓﺖ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ ﺩﻭﻏﺎﺏ ﺑﺪﻟﻴﻞ ﻓﺮﺁﻳﻨﺪ ژﻟﮕﻲ ﻭ ﻫﻴﺪﺭﺍﺗﺎﺳﻮﻥ ﺍﺩﺍﻣﻪ ﻣﻲ
ﺑﺎﻳﺪ.ﺯﻣﺎﻥ ﺷﺮﻭﻉ ﺍﻳﻦ ﺩﻭﺭﻩ ﺁﻧﺠﺎﺳﺖ ﻛﻪ ﻓﺸﺎﺭ ﺩﻭﻏﺎﺏ ﺯﻳﺮ ﻓﺸﺎﺭ ﺳﺎﺯﻧﺪ ﻣﻲ ﺍﻓﺘﺪ ﻭ ﺗﺎ ﺯﻣﺎﻥ ﺭﺳﻴﺪﻥ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ﺑﻪ ﻣﻘﺪﺍﺭ 500
ﭘﻮﻧﺪ ﺑﺮ ﺻﺪ ﻓﻮﺕ ﻣﺮﺑﻊ ﺍﺩﺍﻣﻪ ﻣﻲ ﻳﺎﺑﺪ .ﻻﺯﻡ ﺑﻪ ﺫﻛﺮ ﺍﺳﺖ ﻛﻪ ﺍﻳﻦ ﺩﻭﺭﻩ ﺯﻣﺎﻧﻲ ﺑﺎ ﺯﻣﺎﻥ ﮔﺬﺍﺭ ژﻟﻪ ﺍﻱ ﻳﻜﺴﺎﻥ ﻧﻴﺴﺖ.ﺷﻜﻞ ﺷﻤﺎﺭﻩ ﻱ 3
ﻧﺸﺎﻥ ﺩﻫﻨﺪﻩ ﻱ ﺍﻳﻦ ﻓﺮﺁﻳﻨﺪ ﻣﻲ ﺑﺎﺷﺪ.
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ﺷﻜﻞ -3ﺩﻭﺭﻩ ﻱ ﺑﺤﺮﺍﻧﻲ ﻫﻴﺪﺭﺍﺗﺎﺳﻴﻮﻥ ﺳﻴﻤﺎﻥ
ﺍﺭﺯﻳﺎﺑﻲ ﺗﻨﺶ ﻫﺎﻱ ﻣﺤﻠﻲ ﻭ ﺑﻪ ﺗﺒﻊ ﺁﻥ ﺍﻧﺪﺍﺯﻩ ﮔﻴﺮﻱ ﻣﻘﺎﻭﻣﺖ ﺗﺮﺍﻛﻤﻲ ﺳﻴﻤﺎﻥ ﺍﺯ ﺍﻳﻦ ﻟﺤﺎﻅ ﺣﺎﺋﺰ ﺍﻫﻤﻴﺖ ﺍﺳﺖ ﻛﻪ ﺑﺎﻳﺴﺘﻲ ﺍﻳﻦ
ﺍﻃﻤﻴﻨﺎﻥ ﺣﺎﺻﻞ ﮔﺮﺩﺩ ﻛﻪ ﺗﻨﺶ ﻫﺎﻱ ﻭﺍﺭﺩﻩ ﺩﺭ ﻣﻨﻄﻘﻪ ﺳﻴﻤﺎﻥ ﻛﺎﺭﻱ ﺗﻮﺍﻥ ﺍﻳﺠﺎﺩ ﺷﻜﺎﻑ ﺩﺭ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﻭ ﺩﺭ ﻧﺘﻴﺠﻪ ﺍﻳﺠﺎﺩ
ﻣﺴﻴﺮﻱ ﺑﺮﺍﻱ ﻧﻔﻮﺫ ﮔﺎﺯ ﺭﺍ ﻧﺪﺍﺷﺘﻪ ﺑﺎﺷﺪ.ﺍﺯ ﺍﻳﻦ ﺭﻭ ﻣﻨﺎﺳﺐ ﺍﺳﺖ ﻛﻪ ﺭﻭﻧﺪ ﺗﻮﺳﻌﻪ ﻣﻘﺎﻭﻣﺖ ﺳﻴﻤﺎﻥ ﺗﻮﺳﻂ ﺩﺳﺘﮕﺎﻩ ﺍﺗﻮﻛﻼﻭ ﺩﺭ
ﺁﺯﻣﺎﻳﺸﮕﺎﻩ ﺛﺒﺖ ﮔﺮﺩﺩ.
ﺗﺮﺍﻭﺍﻳﻲ ﻋﺎﻣﻠﻲ ﺍﺳﺖ ﻛﻪ ﺑﺎﻋﺚ ﻣﻲ ﺷﻮﺩ ﮔﺎﺯ ﺩﺍﺧﻞ ﺩﻭﻏﺎﺏ ﺟﺮﻳﺎﻥ ﭘﻴﺪﺍ ﻛﻨﺪ.ﻳﻜﻲ ﺍﺯ ﺭﺍﻩ ﺣﻞ ﻫﺎﻱ ﻣﻨﺎﺳﺐ ﺩﺭ ﻣﻮﺭﺩ ﻣﻮﺿﻮﻉ
ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺩﻭﻏﺎﺏ ﻫﺎﻳﻲ ﺑﺎ ﺗﺮﺍﻭﺍﻳﻲ ﺑﺴﻴﺎﺭ ﻛﻢ ﻣﻲ ﺑﺎﺷﺪ.ﺑﺎ ﺷﺮﻭﻉ ژﻝ ﺷﺪﻥ ﺳﻴﻤﺎﻥ ﻣﻲ ﺗﻮﺍﻥ ﺑﺮﺍﻱ ﺳﻴﺴﺘﻢ ﺗﺮﺍﻭﺍﻳﻲ ﺍﻭﻟﻴﻪ
ﺍﻱ ﺭﺍ ﻗﺎﺋﻞ ﺷﺪ.ﺷﻜﻞ ﺷﻤﺎﺭﻩ 4ﻧﺸﺎﻥ ﺩﻫﻨﺪﻩ ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺩﻭﻏﺎﺑﻬﺎﻱ ﻣﺨﺼﻮﺹ ﻛﻢ ﺗﺮﺍﻭﺍ )ﺳﻴﺴﺘﻢ ﺩﻭﻏﺎﺏ ﻣﺨﺼﻮﺹ ﺿﺪ ﮔﺎﺯ ﺷﺮﻛﺖ
ﺷﻠﻤﺒﺮژﻩ( ﻭ ﻣﻘﺎﻳﺴﻪ ﺁﻥ ﺑﺎ ﻋﻤﻠﻜﺮﺩ ﺳﻴﻤﺎﻧﻬﺎﻱ ﻣﺘﺪﺍﻭﻝ ﺭﺍ ﻧﺸﺎﻥ ﻣﻲ ﺩﻫﺪ.
ﺷﻜﻞ -4ﻣﻘﺎﻳﺴﻪ ﺗﺮﺍﻭﺍﻳﻲ ﺳﻴﻤﺎﻧﻬﺎﻱ ﻣﺨﺼﻮﺹ ﺿﺪ ﮔﺎﺯ ﻭ ﺳﻴﻤﺎﻧﻬﺎﻱ ﻣﻌﻤﻮﻟﻲ
ﺁﺏ ﺭﻓﺘﮕﻲ ) (Shrinkageﺩﺭ ﻭﺍﻗﻊ ﻛﺎﻫﺶ ﺣﺠﻤﻲ ﺍﺳﺖ ﻛﻪ ﺳﻴﻤﺎﻥ ﺩﺭ ﻃﻮﻝ ﺯﻣﺎﻥ ﺩﺭ ﺍﺛﺮ ﺍﺯ ﺩﺳﺖ ﺩﺍﺩﻥ ﺁﺏ ﻭ ﺍﻧﻘﺒﺎﺽ ﺩﭼﺎﺭ
ﺁﻥ ﻣﻲ ﺷﻮﺩ .ﺍﻳﻦ ﭘﺪﻳﺪﻩ ﺑﺎﻋﺚ ﺍﻳﺠﺎﺩ ﻣﺴﻴﺮ ﻫﺎﻳﻲ ﻣﺨﺼﻮﺻﺎ ﺩﺭ ﺳﻄﻮﺡ ﺗﻤﺎﺱ ﺳﻴﻤﺎﻥ ﻭ ﺩﻳﻮﺍﺭﻩ ﭼﺎﻩ/ﻟﻮﻟﻪ ﺟﺪﺍﺭﻱ ﻣﻲ ﺷﻮﺩ.ﮔﺎﺯ ﻣﻲ
ﺗﻮﺍﻧﺪ ﺑﻪ ﺭﺍﺣﺘﻲ ﺩﺭ ﺍﻳﻦ ﻣﺴﻴﺮﻫﺎ ﻭﺍﺭﺩ ﺷﻮﺩ ﻭ ﺟﺮﻳﺎﻥ ﭘﻴﺪﺍ ﻛﻨﺪ.ﻛﻨﺘﺮﻝ ﺻﺎﻓﺎﺏ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﻣﻮﺛﺮ ﺗﺮﻳﻦ ﺭﺍﻩ ﺩﺭ ﻛﻨﺘﺮﻝ ﺍﻳﻦ ﺿﺎﻳﻌﻪ ﺩﺭ
ﺳﻴﻤﺎﻥ ﺍﺳﺖ.
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ﺻﺎﻓﺎﺏ ﻭ ﺁﺏ ﺁﺯﺍﺩ ﺷﺎﻳﺪ ﻛﻠﻴﺪﻱ ﺗﺮﻳﻦ ﻓﺎﻛﺘﻮﺭﻫﺎﻱ ﻣﻮﺛﺮ ﺩﺭ ﻓﺮﺁﻳﻨﺪ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺑﺎﺷﻨﺪ.ﺩﻭﻏﺎﺑﻲ ﺑﺎ ﻛﺎﻫﺶ ﺣﺠﻢ ﺑﺎﻻﻱ ﺁﺏ
ﻛﺎﻫﺶ ﻓﺸﺎﺭ ﺷﺪﻳﺪ ﻫﻴﺪﺭﻭﺍﺳﺘﺎﺗﻴﻜﻲ ﺧﻮﺍﻫﺪ ﺩﺍﺷﺖ ﻛﻪ ﻣﻨﺠﺮ ﺑﻪ ﻋﺪﻡ ﺗﻮﺍﻧﺎﻳﻲ ﺳﻴﻤﺎﻥ ﺩﺭ ﺣﻔﻆ ﺣﺎﻟﺖ ﻓﺮﺍﺗﻌﺎﺩﻟﻲ ﻣﻲ ﺷﻮﺩ ﻭ ﺑﻪ ﺗﺒﻊ
ﺁﻥ ﺳﻴﺎﻝ ﺍﺯ ﻣﻨﻄﻘﻪ ﭘﺮ ﻓﺸﺎﺭ ﺑﻪ ﻣﻨﻄﻘﻪ ﻛﻢ ﻓﺸﺎﺭ ﺣﺮﻛﺖ ﻣﻲ ﻛﻨﺪ.ﺁﻥ ﭼﻪ ﻗﻄﻌﻲ ﺑﻪ ﻧﻈﺮ ﻣﻲ ﺭﺳﺪ ﺍﻳﻦ ﺍﺳﺖ ﻛﻪ ﻃﻲ ﻓﺮﺁﻳﻨﺪ ﺑﻨﺪﺵ
ﺳﻴﻤﺎﻥ ﺣﺘﻤﺎ ﺳﻴﺴﺘﻢ ﻣﻘﺪﺍﺭﻱ ﺍﺯ ﺁﺏ ﺧﻮﺩ ﺭﺍ ﺍﺯ ﺩﺳﺖ ﻣﻲ ﺩﻫﺪ ﻭﻟﻲ ﻃﺒﻖ ﺍﺳﺘﺎﻧﺪﺍﺭﺩﻫﺎﻱ APIﺳﻴﻤﺎﻧﻲ ﻛﻪ ﺩﺭ ﻣﺪﺕ 30ﺩﻗﻴﻘﻪ
ﻣﻘﺪﺍﺭ ﺍﻓﺖ ﺻﺎﻓﻲ ﻛﻤﺘﺮ ﺍﺯ 50ﻣﻴﻠﻲ ﻟﻴﺘﺮ ﺩﺍﺷﺘﻪ ﺑﺎﺷﺪ ﺳﻴﻤﺎﻧﻲ ﺑﺴﻴﺎﺭ ﺧﻮﺏ ﺍﺭﺯﻳﺎﺑﻲ ﻣﻲ ﺷﻮﺩ.ﻫﻤﭽﻨﻴﻦ ﭼﻨﻴﻦ ﺳﻴﻤﺎﻧﻲ ﺑﺎﻳﺪ ﺁﺏ
ﺁﺯﺍﺩﻱ ﻧﺰﺩﻳﻚ ﺑﻪ ﺻﻔﺮ ﺩﺍﺷﺘﻪ ﺑﺎﺷﺪ.ﻣﻘﺪﺍﺭ ﺑﺎﻻﻱ ﺁﺏ ﺁﺯﺍﺩ ﻛﻪ ﺁﺏ ﺍﺿﺎﻓﻲ ﺍﺳﺖ ﻛﻪ ﺩﺭ ﻓﺮﺁﻳﻨﺪ ﻫﻴﺪﺭﺍﺗﺎﺳﻴﻮﻥ ﺳﻴﻤﺎﻥ ﻣﺸﺎﺭﻛﺖ ﻧﻤﻲ
ﻛﻨﺪ ﺑﺎﻋﺖ ﺍﻳﺠﺎﺩ ﺣﻔﺮﻩ ﻫﺎﻳﻲ ﺩﺭ ﺳﻴﻤﺎﻥ ﭘﺲ ﺍﺯ ﺑﻨﺪﺵ ﻣﻲ ﺷﻮﺩ .ﺍﻳﻦ ﻣﺸﻜﻞ ﺑﺎﻻﺧﺺ ﺩﺭ ﭼﺎﻫﻬﺎﻱ ﺯﺍﻭﻳﻪ ﺩﺍﺭ ﻛﻪ ﺁﺏ ﺑﺎﻻﻱ ﺣﻔﺮﻩ ﭼﺎﻩ
ﻣﻲ ﺍﻳﺴﺘﺪ ﻣﻨﺠﺮ ﺑﻪ ﺍﻳﺠﺎﺩ ﺗﻮﻧﻠﻲ ﻣﻲ ﺷﻮﺩ ﻣﺴﻴﺮ ﺭﺍ ﺑﺮﺍﻱ ﺟﺮﻳﺎﻥ ﻳﺎﻓﺘﻦ ﮔﺎﺯ ﺑﺎﺯ ﻣﻴﻜﻨﺪ.ﺩﺭ ﻣﻮﺭﺩ ﺍﻓﺖ ﺻﺎﻓﻲ ﻳﺎ ﻓﻴﻠﺘﺮﺍﺕ ﺩﻭﻏﺎﺏ ﻫﻢ
ﻫﻤﺎﻧﻄﻮﺭ ﻛﻪ ﺫﻛﺮ ﺷﺪ ﻛﺎﻫﺶ ﺗﻮﺍﻧﺎﻳﻲ ﺳﻴﺴﺘﻢ ﺳﻴﻤﺎﻧﻲ ﺩﺭ ﺍﻧﺘﻘﺎﻝ ﻓﺸﺎﺭ ﻫﻴﺪﺭﻭ ﺍﺳﺘﺎﺗﻴﻜﻲ ﺭﺍ ﺑﻪ ﻫﻤﺮﺍﻩ ﺧﻮﺍﻫﺪ ﺩﺍﺷﺖ.
ﻗﺎﺑﻞ ﺫﻛﺮ ﺍﺳﺖ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﻣﻨﺎﺳﺐ ﺷﺮﻁ ﻻﺯﻡ ﺑﺮﺍﻱ ﺟﻠﻮﮔﻴﺮﻱ ﺍﺯ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺍﺳﺖ ﻭ ﻧﻪ ﻛﺎﻓﻲ.ﻋﻮﺍﻣﻞ ﺑﺴﻴﺎﺭ ﺩﻳﮕﺮﻱ ﺩﺭ
ﺍﻳﻦ ﺯﻣﻴﻨﻪ ﻣﻮﺛﺮﻧﺪ.ﻋﺪﻡ ﺣﺬﻑ ﻭ ﺷﺴﺘﺸﻮﻱ ﻣﻨﺎﺳﺐ ﺩﻳﻮﺍﺭﻩ ﭼﺎﻩ ﺍﺯ ﻛﻴﻚ ﮔﻞ ﻭ ﺳﻴﺎﻝ ﺣﻔﺎﺭﻱ ﺑﺎﻋﺖ ﺍﻳﺠﺎﺩ ﻣﻴﻜﺮﻭ ﺁﻧﺎﻟﻮﺳﻬﺎ ﺑﻴﻦ ﺳﺎﺯﻧﺪ
ﻭ ﺟﺪﺍﺭﻱ ﻭ ﺳﻴﻤﺎﻥ ﻣﻲ ﺷﻮﻧﺪ.ﺑﻌﺪﺍ ﺑﺎ shrinkageﺳﻴﻤﺎﻥ ﻣﺴﻠﻤﺎ ﮔﺎﺯ ﻣﻲ ﺗﻮﺍﻧﺪ ﺑﻪ ﭼﺎﻩ ﻭﺍﺭﺩ ﺷﻮﺩ.
ﺩﺭ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﻣﻨﺎﺳﺐ ﻭ ﻣﻘﺎﻭﻡ ﺩﺭ ﺑﺮﺍﺑﺮ ﻣﻬﺎﺟﺮﺗﻬﺎﻱ ﮔﺎﺯ ﺑﺎﻳﺪ ﻓﺎﻛﺘﻮﺭﻫﺎﻱ ﺑﺴﻴﺎﺭﻱ ﺩﺭ ﻧﻈﺮﮔﺮﻓﺘﻪ ﺷﻮﺩ.ﺭﺩ ﺷﺪﻥ ﺩﻭﻏﺎﺏ ﺩﺭ
ﻫﺮ ﻛﺪﺍﻡ ﺍﺯ ﺍﻳﻦ ﻭﻳﮋﮔﻴﻬﺎ ﻣﻲ ﺗﻮﺍﻧﺪ ﺑﺎﻋﺚ ﻋﺪﻡ ﻣﻮﻓﻘﻴﺖ ﺳﻴﻤﺎﻥ ﺩﺭ ﺍﻧﺠﺎﻡ ﻣﺎﻣﻮﺭﻳﺖ ﺧﻮﺩ ﮔﺮﺩﺩ.
ﺑﻌﺪ ﺍﺯ ﺍﺭﺯﻳﺎﺑﻲ ﺟﺮﻳﺎﻥ ﻣﻄﺎﺑﻖ ﻧﻜﺎﺕ ﺫﻛﺮ ﺷﺪﻩ ﺭﻳﺴﻚ ﺑﻪ ﺩﻭ ﺯﻳﺮ ﻣﺠﻤﻮﻋﻪ ﺭﻳﺴﻚ ﺑﺎﻻ ﻭ ﺭﻳﺴﻚ ﻛﻢ ﻗﺎﺑﻞ ﺗﻘﺴﻴﻢ ﺑﻨﺪﻱ ﺍﺳﺖ.ﺩﺭ
ﻣﻮﺭﺩ ﺭﻳﺴﻚ ﺑﺎﻻ ﺑﺎﻳﺪ ﺩﺭ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﺍﺯ ﺍﻓﺰﺍﻳﻪ ﻫﺎﻱ ﻣﺨﺼﻮﺹ ﺍﺳﺘﻔﺎﺩﻩ ﻛﺮﺩ.ﺍﻓﺰﺍﻳﻪ ﻫﺎﻱ ﻭﻳﮋﻩ ﺍﻱ ﻫﻤﭽﻮﻥ ﺍﻓﺰﺍﻳﻪ ﻫﺎﻱ ﭘﺎﺭﺍﮔﺎﺯ ﺩﺭ
ﺍﻳﻦ ﻣﺮﺣﻠﻪ ﺑﺎﻳﺪ ﻭﺍﺭﺩ ﺷﻮﻧﺪ.ﺷﻠﻤﺒﺮژﻩ ﺩﺭ ﺍﻳﻦ ﻣﻮﺍﺭﺩ ﺍﺯ ﺍﻓﺰﺍﻳﻪ ﻫﺎﻳﻲ ﻫﻤﭽﻮﻥ D500,D600,D700ﺑﻪ ﺗﺮﺗﻴﺐ ﺑﺮﺍﻱ ﺩﻣﺎﻫﺎﻱ ﻛﻢ ﻣﺘﻮﺳﻂ
ﻭ ﺑﺎﻻ ﺍﺳﺘﻔﺎﺩﻩ ﻣﻴﻜﻨﺪ.ﺍﺳﺘﻔﺎﺩﻩ ﺍﺯ ﺍﻳﻦ ﺍﻓﺰﺍﻳﻪ ﻫﺎ ﺑﺨﺸﻲ ﺍﺯ ﺳﻴﺴﺘﻢ Gasblock slurryﻣﻮﺭﺩ ﺍﺳﺘﻔﺎﺩﻩ ﺷﻠﻤﺒﺮژﻩ ﺍﺳﺖ ﻛﻪ ﺑﺮﺍﻱ 2ﺩﻫﻪ
ﺍﻳﻦ ﺩﻭﻏﺎﺑﻬﺎ ﻗﺎﺑﻠﻴﺘﻬﺎﻱ ﺧﻮﺩ ﺭﺍ ﺑﻪ ﺍﺛﺒﺎﺕ ﺭﺳﺎﻧﺪﻩ ﺍﻧﺪ.
ﻧﺘﻴﺠﻪ ﮔﻴﺮﻱ
ﺣﻞ ﻣﺸﻜﻞ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺩﺭﻭﻥ ﺩﻭﻏﺎﺏ ﺳﻴﻤﺎﻥ ﻣﺴﺘﻠﺰﻡ ﺷﻨﺎﺧﺖ ﻛﺎﻓﻲ ﻣﺴﺎﻟﻪ ﺩﺍﺭﺩ ﺗﺎ ﺑﺘﻮﺍﻥ ﺍﺯ ﺁﻥ ﺟﻠﻮﮔﻴﺮﻱ ﻛﺮﺩ .ﺗﻨﺸﻬﺎ ﻭ
ﻓﺸﺎﺭﻫﺎﻱ ﺳﺎﺯﻧﺪﻱ ،ﻋﺪﻡ ﺷﺴﺘﺸﻮ ﻭ ﺣﺬﻑ ﻛﺎﻣﻞ ﮔﻞ ﺍﺯ ﭼﺎﻩ ﻗﺒﻞ ﺍﺯ ﺳﻴﻤﺎﻧﻜﺎﺭﻱ ﻭ ﻭﻳﮋﮔﻴﻬﺎﻱ ﻓﻴﺰﻳﻜﻲ ،ﺭﺋﻮﻟﻮژﻳﻜﻲ ﻭ ﺷﻴﻤﻴﺎﻳﻲ ﺩﻭﻏﺎﺏ
ﺳﻴﻤﺎﻥ ﻫﻤﮕﻲ ﺭﻳﺸﻪ ﻫﺎﻱ ﻧﻔﻮﺫ ﮔﺎﺯ ﻫﺴﺘﻨﺪ .ﺷﻨﺎﺧﺖ ﻛﺎﻣﻞ ﻓﺮﺁﻳﻨﺪ ﺑﻨﺪﺵ ﺳﻴﻤﺎﻥ ﻭ ﻣﺮﺍﺣﻠﻲ ﻛﻪ ﺩﺭ ﻃﻲ ﺁﻥ ﺳﭙﺮﻱ ﻣﻲ ﺷﻮﺩ ﻧﻴﺰ ﺍﺯ
ﺍﻫﻤﻴﺖ ﺑﺴﺰﺍﻳﻲ ﺑﺮﺧﻮﺭﺩﺍﺭ ﺍﺳﺖ.
ﺩﺭ ﻃﺮﺍﺣﻲ ﺩﻭﻏﺎﺏ ﺑﻬﻴﻨﻪ ﺑﺎﻳﺪ ﺗﻤﺎﻣﻲ ﺍﻳﻦ ﻓﺎﻛﺘﻮﺭﻫﺎ ﻣﻮﺭﺩ ﺑﺮﺭﺳﻲ ﻗﺮﺍﺭ ﮔﻴﺮﻧﺪ ﻭ ﻋﺪﻡ ﺣﺼﻮﻝ ﻣﻘﺪﺍﺭ ﻣﻘﺒﻮﻝ ﺑﺮﺍﻱ ﺣﺘﻲ ﻳﻚ
ﻣﻮﺭﺩ ﺍﺯ ﺍﻳﻦ ﻭﻳﮋﮔﻴﻬﺎ ﻣﻲ ﺗﻮﺍﻧﺪ ﺑﻪ ﻣﻌﻨﺎﻱ ﺷﻜﺴﺖ ﺳﻴﻤﺎﻥ ﺩﺭ ﻣﺎﻣﻮﺭﻳﺖ ﺟﻠﻮﮔﻴﺮﻱ ﺍﺯ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﻗﻠﻤﺪﺍﺩ ﺷﻮﺩ .ﻃﺮﺍﺣﻲ ﻭ ﺑﻬﻴﻨﻪ
ﺳﺎﺯﻱ ﺩﻭﻏﺎﺏ ﺍﺯ ﻣﻬﻢ ﺗﺮﻳﻦ ﺍﺑﺰﺍﺭ ﻣﻮﺟﻮﺩ ﺩﺭ ﻓﺮﺁﻳﻨﺪ ﻣﺒﺎﺭﺯﻩ ﺑﺎ ﻣﻬﺎﺟﺮﺕ ﮔﺎﺯ ﺍﺳﺖ.ﭘﺎﺭﺍﻣﺘﺮﻫﺎﻱ ﻣﺘﻌﺪﺩﻱ ﺍﺯ ﺩﻭﻏﺎﺏ ﺑﺎﻳﺪ ﺑﺎ ﺑﻬﻴﻨﻪ ﺳﺎﺯﻱ
ﻓﺮﻣﻮﻻﺳﻴﻮﻥ ﺍﺻﻼﺡ ﺷﻮﻧﺪ ﻭ ﺑﻪ ﺣﺪ ﻣﻄﻠﻮﺏ ﺑﺮﺳﻨﺪ.ﺩﺭ ﺍﻳﻦ ﺯﻣﻴﻨﻪ ﻣﻲ ﺗﻮﺍﻥ ﺍﺯ ﻭﻳﮋﮔﻲ ﻫﺎﻳﻲ ﭼﻮﻥ ﺩﺍﻧﺴﻴﺘﻪ ،ﺍﻓﺖ ﺻﺎﻓﻲ ﻭ ﺁﺏ ﺁﺯﺍﺩ ،
ﻭﺿﻌﻴﺖ ﺗﻪ ﻧﺸﻴﻨﻲ ﺫﺭﺍﺕ ،ﺧﻮﺍﺹ ﺭﺋﻮﻟﻮژﻳﻜﻲ ،ﭘﺮﻭﻓﻴﻞ ﻫﺎﻱ ﺑﻨﺪﺵ ﻭ ﺗﻮﺳﻌﻪ ﻣﻘﺎﻭﻣﺖ ژﻟﻪ ﺍﻱ ،ﺗﺮﺍﻭﺍﻳﻲ ﻭ ﺁﺏ ﺭﻓﺘﮕﻲ ﺩﻭﻏﺎﺏ ﻧﺎﻡ ﺑﺮﺩ.
ﻣﻨﺎﺑﻊ
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