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1.发明申请公开(公告)号：US20200347708A1
公开(公告)日：2020-11-05
申请号：US16936142
申请日：2020-07-22
摘要： The present disclosure relates to, according to some embodiments, an extraction process for recovering an oil from an oil reservoir comprising a mobile water. The extraction process includes the step of injecting a first solvent into the oil reservoir through the at least one injection well to form a first mixture, the first mixture comprising the first solvent, a first portion of mobile water, and a first portion of oil. Additionally, the extraction process includes the steps of recovering the first mixture from the at least one production well to produce a first recovered oil mixture, the first recovered oil mixture comprising the first solvent, the first portion of the mobile water, and the first portion of oil; separating the first recovered oil mixture to produce a first recovered oil fraction that is separated from the first portion of mobile water and the first solvent; and injecting a second solvent into the oil reservoir through the at least one injection well to form a second mixture, the second mixture comprising the second solvent, a second portion of mobile water, and a second portion of oil. The extraction process also includes the steps of recovering the second mixture from the at least one production well to produce a second recovered oil mixture, the second recovered oil mixture comprising the second solvent, the second portion of the mobile water, and the second portion of oil, and separating the second recovered oil mixture to produce a second recovered oil fraction that is separated from the second portion of mobile water and the second solvent.
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2.发明授权公开(公告)号：US10760389B2
公开(公告)日：2020-09-01
申请号：US16120965
申请日：2018-09-04
摘要： The present disclosure relates to, according to some embodiments, an extraction process for recovering an oil from an oil reservoir comprising a mobile water. The extraction process includes the step of injecting a first solvent into the oil reservoir through the at least one injection well to form a first mixture, the first mixture comprising the first solvent, a first portion of mobile water, and a first portion of oil. Additionally, the extraction process includes the steps of recovering the first mixture from the at least one production well to produce a first recovered oil mixture, the first recovered oil mixture comprising the first solvent, the first portion of the mobile water, and the first portion of oil; separating the first recovered oil mixture to produce a first recovered oil fraction that is separated from the first portion of mobile water and the first solvent; and injecting a second solvent into the oil reservoir through the at least one injection well to form a second mixture, the second mixture comprising the second solvent, a second portion of mobile water, and a second portion of oil. The extraction process also includes the steps of recovering the second mixture from the at least one production well to produce a second recovered oil mixture, the second recovered oil mixture comprising the second solvent, the second portion of the mobile water, and the second portion of oil, and separating the second recovered oil mixture to produce a second recovered oil fraction that is separated from the second portion of mobile water and the second solvent.
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3.发明申请公开(公告)号：US20190071957A1
公开(公告)日：2019-03-07
申请号：US16120965
申请日：2018-09-04
摘要： The present disclosure relates to, according to some embodiments, an extraction process for recovering an oil from an oil reservoir comprising a mobile water. The extraction process includes the step of injecting a first solvent into the oil reservoir through the at least one injection well to form a first mixture, the first mixture comprising the first solvent, a first portion of mobile water, and a first portion of oil. Additionally, the extraction process includes the steps of recovering the first mixture from the at least one production well to produce a first recovered oil mixture, the first recovered oil mixture comprising the first solvent, the first portion of the mobile water, and the first portion of oil; separating the first recovered oil mixture to produce a first recovered oil fraction that is separated from the first portion of mobile water and the first solvent; and injecting a second solvent into the oil reservoir through the at least one injection well to form a second mixture, the second mixture comprising the second solvent, a second portion of mobile water, and a second portion of oil. The extraction process also includes the steps of recovering the second mixture from the at least one production well to produce a second recovered oil mixture, the second recovered oil mixture comprising the second solvent, the second portion of the mobile water, and the second portion of oil, and separating the second recovered oil mixture to produce a second recovered oil fraction that is separated from the second portion of mobile water and the second solvent.
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