View source for 20250179900. Crude Oi (Japan Petroleum Exploration ., .)

= CRUDE OIL RECOVERY METHOD =

'''Abstract''':
this method for recovering crude oil has a reservoir modification fluid injection step of pressing and injecting, through an injection well into a crude oil-containing reservoir between the injection well and a production well, a reservoir modification fluid that reforms the wettability of the reservoir, a primary crude oil recovery step of pressing and injecting an overflush fluid through the injection well into the reservoir, thereby moving the crude oil contained in the reservoir from a side of the injection well toward a side of the production well, and enabling recovery of the crude oil from the reservoir via the production well, and a secondary crude oil recovery step of pressing and injecting a foam-stabilizing fluid and a foam-forming fluid through the injection well into the reservoir, thereby moving the crude oil contained in the reservoir from the side of the injection well toward the side of the production well, and enabling recovery of the crude oil from the reservoir via the production well.

'''Inventor(s)''': [[:Category:Ayae ITO of Tokyo  JP|Ayae ITO]], [[:Category:Daisuke ITO of Chiba-shi  JP|Daisuke ITO]], [[:Category:Yutaro KAITO of Chiba-shi  JP|Yutaro KAITO]]

'''CPC Classification''': [[:Category:CPC_E21B43/16|E21B43/16]] (Enhanced recovery methods for obtaining hydrocarbons)


[[Category:Patent Applications]]
[[Category:Japan Petroleum Exploration Co., Ltd.]]
[[Category:CPC_E21B43/16]]
[[Category:Ayae ITO of Tokyo  JP]]
[[Category:Daisuke ITO of Chiba-shi  JP]]
[[Category:Yutaro KAITO of Chiba-shi  JP]]

[https://wikipatents.org/index.php?search=20250179900+rejection&title=Special%3ASearch&wprov=acrw1_-1 Search for rejections for patent application number 20250179900]


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