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    • 3. 发明授权
    • Downhole burners for in situ conversion of organic-rich rock formations
    • 井下燃烧器用于有机富集岩层的原位转化
    • US08122955B2
    • 2012-02-28
    • US12148388
    • 2008-04-18
    • Robert D. KaminskyChad C. Rasmussen
    • Robert D. KaminskyChad C. Rasmussen
    • E21B43/243
    • E21B36/003E21B36/02E21B41/0064E21B43/24E21B43/243E21B43/30Y02C10/14
    • A method for in situ heating of a selected portion of a targeted organic-rich rock formation such as an oil shale formation is provided. The method includes the steps of providing casing in a wellbore extending to a depth within or below the selected portion of the organic-rich rock formation, and also providing a tubing within the casing. An annular region is formed between the tubing and the surrounding casing. Air or other oxidant and a combustible fuel are injected into the wellbore. Either the air or the combustible fuel is in stoichiometric combustion excess. The method also includes providing hardware in the wellbore so as to cause the air and the combustible fuel to mix and to combust at substantially the depth of the organic-rich rock formation. The hardware may include more than one burner. Insulation may be placed along the tubing adjacent the first burner in order to reduce the heat transfer coefficient within the tubing and to provide a more uniform temperature within the annulus.
    • 提供了一种用于原位加热选定部分的富含有机物的岩层如油页岩层的方法。 该方法包括以下步骤:在井眼中提供壳体,其延伸到富含有机物岩层的选定部分内或之下的深度,并且还在壳体内提供管道。 在管道和周围的壳体之间形成环形区域。 将空气或其它氧化剂和可燃燃料注入井眼。 空气或可燃燃料的化学计量燃烧过量。 该方法还包括在井眼中提供硬件,以便使空气和可燃燃料混合并基本上在富含有机物岩层的深度上燃烧。 硬件可能包括多个燃烧器。 可以沿着邻近第一燃烧器的管道放置绝缘体,以便减少管道内的传热系数,并在环空中提供更均匀的温度。
    • 6. 发明授权
    • Downhole burner wells for in situ conversion of organic-rich rock formations
    • 井下燃烧井用于有机富集岩层的原位转化
    • US08151877B2
    • 2012-04-10
    • US12148414
    • 2008-04-18
    • Robert D. KaminskyChad C. Rasmussen
    • Robert D. KaminskyChad C. Rasmussen
    • E21B43/243
    • E21B36/02E21B41/0064E21B43/243E21B43/30E21B43/305Y02C10/14
    • A method for in situ heating of an organic-rich rock formation is provided. Preferably the organic-rich rock formation comprises kerogen. The method may include the steps of providing a first wellbore extending at least to a depth of the organic-rich rock formation, and providing a second wellbore also extending to a depth of the organic-rich rock formation and intersecting the first wellbore. The method may also include injecting air and a combustible fuel into the first wellbore, and providing a downhole burner in the wellbore so as to cause the air and the combustible fuel to mix and to combust at substantially the depth of the organic-rich rock formation. The method may further include, circulating combustion products into and up the second wellbore such that a pyrolysis zone is created from the first wellbore and second wellbores that provides substantially complete pyrolysis of the organic-rich rock formation between the first wellbore and the second wellbore. Operating conditions may be set or controlled so that the pyrolysis zones surrounding the first and second wellbore mate so to minimize underheated and overheated regions.
    • 提供了一种有机富集岩层的原位加热方法。 优选地,富含有机物的岩层包括干酪根。 该方法可以包括以下步骤:提供至少延伸至富含有机物岩层的深度的第一井筒,以及提供还延伸到富含有机物岩层的深度并与第一井眼相交的第二井筒。 该方法还可以包括将空气和可燃燃料喷射到第一井筒中,并且在井眼中提供井下燃烧器,以便使空气和可燃燃料在基本上富含有机物的岩层的深度上混合和燃烧 。 该方法可以进一步包括将燃烧产物循环到第二井孔中并使其从第一井眼和第二井筒之间产生来自第一井孔和第二井筒的热解区,其提供基本上完全热解富含有机物的岩层。 可以设置或控制操作条件,使得围绕第一和第二井筒的热解区配合,从而最小化过热和过热的区域。
    • 10. 发明申请
    • Downhole burners for in situ conversion of organic-rich rock formations
    • 井下燃烧器用于有机富集岩层的原位转化
    • US20090050319A1
    • 2009-02-26
    • US12148388
    • 2008-04-18
    • Robert D. KaminskyChad C. Rasmussen
    • Robert D. KaminskyChad C. Rasmussen
    • E21B43/285
    • E21B36/003E21B36/02E21B41/0064E21B43/24E21B43/243E21B43/30Y02C10/14
    • A method for in situ heating of a selected portion of a targeted organic-rich rock formation such as an oil shale formation is provided. The method includes the steps of providing casing in a wellbore extending to a depth within or below the selected portion of the organic-rich rock formation, and also providing a tubing within the casing. An annular region is formed between the tubing and the surrounding casing. Air or other oxidant and a combustible fuel are injected into the wellbore. Either the air or the combustible fuel is in stoichiometric combustion excess. The method also includes providing hardware in the wellbore so as to cause the air and the combustible fuel to mix and to combust at substantially the depth of the organic-rich rock formation. The hardware may include more than one burner. Insulation may be placed along the tubing adjacent the first burner in order to reduce the heat transfer coefficient within the tubing and to provide a more uniform temperature within the annulus.
    • 提供了一种用于原位加热选定部分的富含有机物的岩层如油页岩层的方法。 该方法包括以下步骤:在井眼中提供壳体,其延伸到富含有机物岩层的选定部分内或之下的深度,并且还在壳体内提供管道。 在管道和周围的壳体之间形成环形区域。 将空气或其它氧化剂和可燃燃料注入井眼。 空气或可燃燃料的化学计量燃烧过量。 该方法还包括在井眼中提供硬件,以便使空气和可燃燃料混合并基本上在富含有机物岩层的深度上燃烧。 硬件可能包括多个燃烧器。 可以沿着邻近第一燃烧器的管道放置绝缘体,以便减少管道内的传热系数,并在环空中提供更均匀的温度。