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    • 2. 发明申请
    • HYDRAULIC ANCHOR FOR DOWNHOLE PACKER
    • 卧式包装机液压锚杆
    • WO2014205424A2
    • 2014-12-24
    • PCT/US2014043534
    • 2014-06-21
    • TAM INT INC
    • DEWARS COLINSCOTT PHILIPSCOTT STEVEN
    • E21B34/16
    • E21B33/00E21B33/1243E21B33/1295
    • A hydraulic anchor is coupled to a packer subassembly of a tool string. The hydraulic anchor, when actuated by fluid pressure, engages the surrounding wellbore, holding the tool string in place within the wellbore. A packer may then be actuated, held in position within the wellbore by the hydraulic anchor. In some embodiments, an inflatable packer may be held in the desired location by the hydraulic anchor. In some embodiments, a straddle packer assembly may be held in place by the hydraulic anchor. In some embodiments, a swellable packer may be held in place during the swelling process by the hydraulic anchor.
    • 液压锚杆联接到工具串的封隔器子组件上。 当液压锚杆由流体压力致动时,液压锚固件与周围的井筒相接合,将工具柱保持在井眼内的适当位置。 然后可以通过液压锚杆将封隔器致动,保持在井筒内的适当位置。 在一些实施例中,可膨胀封隔器可通过液压锚固件保持在所需位置。 在一些实施例中,跨越式封隔器组件可以通过液压锚固件保持就位。 在一些实施例中,可膨胀封隔器可以在通过液压锚杆的膨胀过程期间保持就位。
    • 3. 发明申请
    • INSERTION OF A PACKOFF INTO A WELLHEAD
    • 将包装插入一个衣柜
    • WO2011128612A2
    • 2011-10-20
    • PCT/GB2011/000402
    • 2011-03-22
    • AKER SUBSEA LIMITEDWILLOUGBY, Daniel Alexander
    • WILLOUGBY, Daniel Alexander
    • E21B33/00E21B33/035E21B33/043E21B33/143E21B34/04
    • Apparatus for the insertion of a pack-off (34) into a recess (51) in a bore of a wellhead body comprises an activating sleeve (36) which has a portion (58) disposed for engagement with the pack-off (34) for the movement of the pack-off into the recess and body portions shaped for location on a datum member (52) within the bore. The activating sleeve (36) includes a plurality of apertures (65) circumferentially spaced about the activating sleeve. A running tool (50) which is adapted to move said activating sleeve into engagement with the packoff carries spring-loaded dogs (72) each disposed in one of the apertures (65). Each of a plurality of releasing pins (71) is positioned such that it enters a respective one of the apertures (65) when the activating sleeve (36) has caused the packoff (34) to be located in said recess (52). The entry of the pins (71) into the apertures causes depression of the dogs out of the apertures and allows the consequent release of the activating sleeve (36) from the running tool (50).
    • 用于将包装(34)插入井口主体的孔中的凹部(51)中的装置包括一个启动套筒(36),其具有设置成用于与包装(34)接合的部分(58) 用于将包装移动到凹部中,并且形成为孔内的基准构件(52)上的位置。 激活套筒(36)包括围绕激活套筒周向间隔开的多个孔(65)。 适于将所述启动套筒移动到与包装物接合的运行工具(50)承载弹簧加载的销钉(72),每个销钉设置在所述孔口之一中。 多个释放销(71)中的每一个被定位成使得当激活套筒(36)已经使包装(34)位于所述凹部(52)中时,它们进入相应的一个孔(65)。 销(71)进入孔口导致将狗从孔中推出,从而允许活动套筒(36)从运行工具(50)释放。
    • 10. 发明申请
    • PRESSURE ACTIVATED DOWN HOLE SYSTEMS AND METHODS
    • 压力活化的下孔系统和方法
    • WO2014028252A2
    • 2014-02-20
    • PCT/US2013053552
    • 2013-08-05
    • HALLIBURTON ENERGY SERV INC
    • ACOSTA FRANKBUDLER NICHOLAS FSZARKA DAVID D
    • E21B23/04
    • E21B23/06E21B23/04E21B33/00E21B33/128E21B41/00
    • Systems and methods for activating a down hole tool in a wellbore. A piston is moveable from a first position to a second position for activating the down hole tool. The piston includes a first side exposed to a first chamber, and a second side exposed to a second chamber. A rupture member has a first side exposed to the first chamber and a second side exposed to a third chamber. The rupture member is configured to rupture when a pressure differential between the first chamber and the third chamber reaches a predetermined threshold value, at which point the rupture member allows fluid communication between the first chamber and the third chamber. When the rupture member is intact, the piston is in the first position, and when the rupture member ruptures, the piston moves to the second position and activates the down hole tool.
    • 用于激活井眼中的井下工具的系统和方法。 活塞可从第一位置移动到第二位置以启动井下工具。 活塞包括暴露于第一室的第一侧和暴露于第二室的第二侧。 破裂构件具有暴露于第一室的第一侧和暴露于第三室的第二侧。 当第一室和第三室之间的压力差达到预定阈值时,破裂构件构造成破裂,在破裂构件允许第一室和第三室之间的流体连通。 当破裂部件完好时,活塞处于第一位置,并且当破裂部件破裂时,活塞移动到第二位置并启动井下工具。