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    • 2. 发明授权
    • System and method for anchoring an expandable tubular to a borehole wall
    • 将可膨胀管固定到井壁的系统和方法
    • US08997856B2
    • 2015-04-07
    • US13386222
    • 2010-08-26
    • Antonius Leonardus Maria WubbenDjurre Hans Zijsling
    • Antonius Leonardus Maria WubbenDjurre Hans Zijsling
    • E21B43/10E21B23/01
    • E21B43/103E21B23/01E21B43/105
    • The present invention provides a system for anchoring an expandable tubular to a borehole wall. The system comprises a support member having a first end fixed relative to the outside of the tubular and a second end comprising a ramping surface. An anchor member has a first end fixed relative to the outside of the tubular and a second end extending toward the support member, said second end being movable relative to the outside of the tubular. Said support member includes a ramp surface that tapers in the direction of said anchor member. Expansion of the portion of the expandable tubular between the first support end and the first anchor end causes the axial device length to shorten, wherein the difference in length is sufficient to cause the second anchor end to move radially outward and engage the borehole wall as a result of engagement with said ramping surface.
    • 本发明提供一种用于将可膨胀管固定到钻孔壁的系统。 该系统包括支撑构件,该支撑构件具有相对于管状物的外部固定的第一端和包括斜坡表面的第二端。 锚定构件具有相对于管状物的外部固定的第一端和朝向支撑构件延伸的第二端,所述第二端可相对于管状物的外部移动。 所述支撑构件包括在所述锚定构件的方向上逐渐变细的坡道表面。 在第一支撑端和第一锚固端之间的可膨胀管的部分的膨胀导致轴向装置长度缩短,其中长度差足以使第二锚定端径向向外移动并与钻孔壁接合 与所述斜坡表面接合的结果。
    • 3. 发明授权
    • System and method for anchoring an expandable tubular to a borehole wall
    • 将可膨胀管固定到井壁的系统和方法
    • US08522866B2
    • 2013-09-03
    • US12869523
    • 2010-08-26
    • Antonius Leonardus Maria WubbenDjurre Hans Zijsling
    • Antonius Leonardus Maria WubbenDjurre Hans Zijsling
    • E21B23/01
    • E21B43/103E21B23/01
    • A system for anchoring an expandable tubular to a borehole wall. The system comprises a support member having a first end fixed relative to the outside of the tubular and a second end comprising a ramping surface. An anchor member has a first end fixed relative to the outside of the tubular and a second end extending toward the support member, the second end being movable relative to the outside of the tubular. The support member includes a ramp surface that tapers in the direction of the anchor member. Expansion of the portion of the expandable tubular between the first support end and the first anchor end causes the axial device length to shorten, wherein the difference in length is sufficient to cause the second anchor end to move radially outward and engage the borehole wall as a result of engagement with the ramping surface.
    • 一种用于将可膨胀管固定到钻孔壁的系统。 该系统包括支撑构件,该支撑构件具有相对于管状物的外部固定的第一端和包括斜坡表面的第二端。 锚定构件具有相对于管状物的外部固定的第一端和朝向支撑构件延伸的第二端,第二端可相对于管状物的外部移动。 支撑构件包括在锚定构件的方向上逐渐变细的坡道表面。 在第一支撑端和第一锚固端之间的可膨胀管的部分的膨胀导致轴向装置长度缩短,其中长度差足以使第二锚定端径向向外移动并与钻孔壁接合 与斜坡表面接合的结果。