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    • 33. 发明授权
    • Sealing device for use in subsea wells
    • 用于海底井的密封装置
    • US06321846B1
    • 2001-11-27
    • US09512556
    • 2000-02-24
    • Gary L. Rytlewski
    • Gary L. Rytlewski
    • E21B3303
    • E21B33/064E21B33/076
    • A system for use in a subsea well includes a sealing element having an inner surface defining a bore through which a carrier line of a tool string may extend. A pressure-activated operator is coupled to the sealing element and is adapted to cause the sealing element to deform generally radially inwardly to allow the inner surface to apply a force to seal around the carrier line. A fluid pressure conduit extends from a sea surface pressure source to the pressure-activated operator. The sealing element is part of a pack-off device that can be used in a subsea blow-out preventer.
    • 用于海底井的系统包括密封元件,其具有限定钻孔的内表面,工具串的载体线可以延伸通过该孔。 压力激活的操作器联接到密封元件并且适于使密封元件大致径向向内变形,以允许内表面施加力以围绕载体线密封。 流体压力管道从海面压力源延伸到压力激活的操作者。 密封元件是可用于海底防喷器的包装装置的一部分。
    • 34. 发明授权
    • Zonal isolation method and apparatus
    • 区域分离方法和装置
    • US5704426A
    • 1998-01-06
    • US619781
    • 1996-03-20
    • Gary L. RytlewskiDale E. Meek
    • Gary L. RytlewskiDale E. Meek
    • E21B23/00E21B43/116E21B43/14F21B43/116
    • E21B23/00E21B43/116E21B43/14
    • A new zonal isolation method and apparatus perforates a plurality of zones of a formation, while isolating each perforated zone from every other zone, with one trip into wellbore, and without requiring the circulation of a kill fluid throughout the wellbore following perforation to kill the well so that a packer and/or a perforating gun may be removed from the well. The new zonal isolation apparatus includes a perforating gun and a plug or packer connected to the perforating gun. The new zonal isolation method includes detonating the perforating gun thereby creating a set of perforations in the formation; moving the perforating gun and plug/packer uphole until the plug/packer is situated at a particular position in the wellbore which is disposed directly above the set of perforations in the formation; and setting the plug/packer at the particular position in the wellbore. The perforated zones located below the plug/packer are isolated from annulus fluids, pressure, or kill fluids which are normally introduced above the plug/packer in the wellbore.
    • 一种新的区域隔离方法和装置穿透地层的多个区域,同时将每个穿孔区域与每隔一个区域隔离,同时一次进入井筒,并且不需要穿孔后的整个井筒中的杀死流体循环以杀死井 从而可以从井中移除封隔器和/或穿孔枪。 新的区域隔离装置包括穿孔枪和连接到射孔枪的插塞或封隔器。 新的区域隔离方法包括引爆穿孔枪,从而在地层中产生一组穿孔; 将射孔枪和塞子/封隔器向上移动,直到插塞/封隔器位于井筒中的特定位置,其直接设置在地层中的穿孔组上方; 并将插头/封隔器设置在井筒中的特定位置。 位于插塞/封隔器下方的穿孔区域与通常在井筒内的塞/封隔器上方引入的环形流体,压力或杀死流体分离。
    • 36. 发明授权
    • Hard bottom cement seal for improved well control
    • 硬底水泥密封,改善井控
    • US09297229B2
    • 2016-03-29
    • US13812685
    • 2011-07-27
    • Gary L. Rytlewski
    • Gary L. Rytlewski
    • E21B33/14E21B33/12E21B21/10E21B33/16
    • E21B33/1204E21B21/10E21B33/14E21B33/143E21B33/16
    • Methods include introducing a casing into a wellbore penetrating a subterranean formation, the casing forming an annulus with the wellbore surface, where the casing is subject to a first pressure value at a distal end and a second pressure value at a proximal region within the casing, and where a shoe is positioned at the distal end of the casing. Then, placing a sealable valve within the proximal region of the casing, injecting a first cement composition into the casing, through the sealable valve and shoe, and into the annulus, and the placing a second cement composition in a medial region of the tubular formed between the distal end and the proximal region. Afterward, the sealable valve is closed.
    • 方法包括将壳体引入渗透地下地层的井眼中,壳体与井筒表面形成环形,其中壳体在远端处受到第一压力值,在壳体内的近侧区域处施加第二压力值, 并且其中鞋定位在壳体的远端处。 然后,将可密封的阀置于壳体的近侧区域内,将第一粘合剂组合物通过可密封的阀和鞋注入到壳体中,并将​​第一粘合剂组合物放置在形成的管状物的中间区域中 在远端和近端区域之间。 之后,可密封的阀关闭。
    • 38. 发明授权
    • Degradable compositions, apparatus comprising same, and methods of use
    • 可降解组合物,包含其的装置和使用方法
    • US08663401B2
    • 2014-03-04
    • US13300907
    • 2011-11-21
    • Manuel P. MaryaRashmi B. BhavsarGary L. Rytlewski
    • Manuel P. MaryaRashmi B. BhavsarGary L. Rytlewski
    • C22C21/00
    • B22F3/10C09K8/58C09K8/805C22C1/0408C22C12/00C22C13/02C22C21/00C22C21/003C22C21/06C22C21/10C22C28/00C22C30/04C22C30/06Y10T29/49826Y10T428/12
    • Compositions, apparatus incorporating a composition, and methods of use are described, one composition embodiment consisting essentially of one or more reactive metals in major proportion, and one or more alloying elements in minor proportion, with the provisos that the composition is high-strength, controllably reactive, and degradable under defined conditions. Compositions of the invention may exist in a variety of morphologies, including a reactive metal or degradable alloy processed into an alloy of crystalline, amorphous or mixed structure that may constitute the matrix of other composition, for instance a composite. Methods of using apparatus comprising a composition, particularly in oilfield operations are also described (e.g. flow and displacement control, sensors, actuators). This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims.
    • 描述了组合物,包含组合物的装置和使用方法,一个组成实施方式基本上由主要比例的一种或多种活性金属组成,一种或多种少量合金元素,但条件是组合物是高强度的, 在规定的条件下可控制地反应和可降解。 本发明的组合物可以存在于各种形态中,包括加工成结晶,无定形或混合结构合金的活性金属或可降解合金,其可以构成其它组合物的基质,例如复合材料。 还描述了使用包括组合物的设备的方法,特别是在油田操作中的方法(例如,流量和位移控制,传感器,致动器)。 该摘要允许搜索者或其他读者快速确定本公开的主题。 它不会用于解释或限制权利要求的范围或含义。