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    • 2. 发明申请
    • System for sealing an annular space in a wellbore
    • 用于密封井眼中的环形空间的系统
    • US20070158060A1
    • 2007-07-12
    • US10592344
    • 2005-03-09
    • Matheus BaaijensMartin BosmaErik Cornelissen
    • Matheus BaaijensMartin BosmaErik Cornelissen
    • E21B33/12
    • E21B33/1208E21B17/1035E21B17/105
    • A system is disclosed for sealing an annular space between a tubular element (7) extending into a wellbore (1) and a cylindrical wall (1b) surrounding the tubular element, wherein a control line (18) for controlling a downhole device (12, 13, 14, 15) extends in longitudinal direction along the tubular element. The system comprises an annular seal layer (20) extending around the tubular element (7), the seal layer having an inner surface provided with a recess (40) for radially receiving the control line. The seal layer is provided with a longitudinal slit (31) defining a pair of opposite longitudinal edges (32, 34) which are movable relative to each other between an open position wherein the seal layer can be radially applied to the tubular element, and a closed position wherein the seal layer extends around the tubular element.
    • 公开了一种用于密封延伸到井眼(1)的管状元件(7)和围绕管状元件的圆柱形壁(1b)之间的环形空间的系统,其中控制管线(18)用于控制井下装置(12) ,13,14,15)沿着所述管状元件在纵向方向上延伸。 该系统包括围绕管状元件(7)延伸的环形密封层(20),密封层具有设置有用于径向接收控制线的凹部(40)的内表面。 密封层设置有限定一对相对的纵向边缘(32,34)的纵向狭缝(31),所述纵向边缘可以在其中密封层可以径向施加到管状元件的打开位置之间相对于彼此移动,并且 关闭位置,其中密封层围绕管状元件延伸。
    • 3. 发明申请
    • System for Sealing an Annular Space in a Wellbore
    • 在井眼中密封环形空间的系统
    • US20070205002A1
    • 2007-09-06
    • US10592407
    • 2005-03-09
    • Matheus BaaijensMartin BosmaErik Cornelissen
    • Matheus BaaijensMartin BosmaErik Cornelissen
    • E21B33/10
    • E21B33/1208E21B33/14
    • A method is provided of applying an annular seal to a tubular element for use in a wellbore. The method comprises the steps of: a) providing at least one flexible seal layer at the wellbore site, each seal layer having a pair of opposite longitudinal edges movable relative to each other between an open position wherein the seal layer can be radially applied to the tubular element, and a closed position wherein the seal layer extends substantially around the tubular element, the seal layer being made material susceptible of swelling upon contact with a selected fluid; b) partially lowering the tubular element into the wellbore; c) radially applying the seal layer in the open position thereof to a portion of the tubular element extending above the wellbore; d) moving the seal layer to the closed position thereof; and e) further lowering the tubular element with the seal layer applied thereto into the wellbore until the seal layer is located at a selected location in the wellbore.
    • 提供了一种将环形密封件施加到用于井筒中的管状元件的方法。 该方法包括以下步骤:a)在井眼位置处提供至少一个柔性密封层,每个密封层具有一对相对的纵向边缘,该纵向边缘可在打开位置之间相对移动,其中密封层可径向施加到 管状元件和封闭位置,其中密封层基本上围绕管状元件延伸,密封层使得材料易于在与选定流体接触时膨胀; b)将管状元件部分地降低到井眼中; c)将密封层在其打开位置径向施加到在井眼上方延伸的管状元件的一部分; d)将密封层移动到其关闭位置; 以及e)进一步降低其中施加到其上的密封层的管状元件,直到密封层位于井眼中的选定位置。
    • 7. 发明申请
    • Sealing of a Wellbore Device in a Tubular Element
    • 在管状元件中密封井筒装置
    • US20070257441A1
    • 2007-11-08
    • US11666259
    • 2005-10-25
    • Matheus BaaijensErik CornelissenDerk Klompsma
    • Matheus BaaijensErik CornelissenDerk Klompsma
    • E21B33/10
    • E21B33/10
    • A method of operating a wellbore formed in an earth formation is disclosed. The wellbore is provided with a tubular element in which a wellbore device is to be arranged such that the wellbore device is sealed to the inner surface of the tubular element, and whereby an elongate member is to be extended through the tubular element for carrying out a wellbore operation. The method comprises extending the elongate member through the tubular element so as to carry out said wellbore operation, removing the elongate member from the tubular element, providing the wellbore device at the outer surface thereof with a swelleable seal susceptible of swelling upon contact with a selected fluid, and installing the wellbore device in the tubular element, and inducing the swelleable seal to swell by virtue of contact of the swelleable seal with the selected fluid.
    • 公开了一种在地层中形成的井眼的操作方法。 井筒设置有管状元件,其中井筒装置将被布置成使得井筒装置被密封到管状元件的内表面,并且由此细长构件将延伸穿过管状元件以执行 井眼操作。 该方法包括将细长构件延伸穿过管状元件,以便执行所述井眼操作,从管状元件移除细长构件,从而在其外表面处提供井眼装置,其中可膨胀的密封容易与所选择的接触 流体,以及将井筒装置安装在管状元件中,并且通过可膨胀的密封件与所选择的流体的接触而引起可膨胀的密封件膨胀。