Hydraulic set liner hanger and method
    1.
    发明授权
    Hydraulic set liner hanger and method 失效
    液压集线器吊架及方法

    公开(公告)号:US5417288A

    公开(公告)日:1995-05-23

    申请号:US265195

    申请日:1994-06-24

    IPC分类号: E21B23/04 E21B43/10 E21B23/02

    CPC分类号: E21B43/10 E21B23/04

    摘要: A liner hanger assembly structurally interconnects a casing within a bore hole and a tubular liner suspended from the casing. The hanger body includes a plurality of circumferentially spaced piston bores. A plurality of slips are provided circumferentially about, the hanger body for gripping engagement with an internal surface of the casing. A plurality of pistons are each housed within a respective piston bore and are movably responsive to internal pressure within the hanger body. A sleeve is axially movable with respect to the hanger body in response to axial movement of the plurality of pistons. The sleeve is interconnected with each of the plurality of slips to cause radially outward movement of the slips in response to movement of the pistons. The liner hanger assembly has a high fluid pressure rating for ensuring reliable gripping engagement with the casing, yet creates a comparatively low fluid restriction in the annulus between the casing and the liner.

    摘要翻译: 衬管悬挂组件结构地将钻孔内的壳体和从壳体悬挂的管状衬套相互连接。 衣架主体包括多个周向间隔开的活塞孔。 多个滑动件周向设置,衣架主体用于与壳体的内表面夹紧接合。 多个活塞各自容纳在相应的活塞孔内,并且可移动地响应于衣架主体内的内部压力。 响应于多个活塞的轴向运动,套筒可相对于衣架主体轴向移动。 套筒与多个滑动件中的每一个相互连接,以响应于活塞的移动而引起滑动件的径向向外运动。 衬管悬挂器组件具有高的流体压力等级,用于确保与壳体的可靠的夹紧接合,但是在壳体和衬套之间的环空中产生相对较低的流体限制。

    ANCHORING AND SEALING TOOL
    3.
    发明申请
    ANCHORING AND SEALING TOOL 审中-公开
    锚固和密封工具

    公开(公告)号:US20120205092A1

    公开(公告)日:2012-08-16

    申请号:US13398829

    申请日:2012-02-16

    IPC分类号: E21B33/12

    CPC分类号: E21B23/01 E21B33/1208

    摘要: The present invention generally relates to an anchoring and sealing tool. In one aspect, downhole tool for use in a wellbore is provided. The tool includes a tubular having a tapered outer surface. The tool further includes an expandable annular member disposed on the tubular. The expandable member has an anchor portion. The tool further includes a seal member disposed in a groove of the expandable annular member. The seal member has one or more anti-extrusion bands, wherein the seal member and the anchor portion are configured to be expandable radially outward into contact with the wellbore as the expandable annular member moves along the tapered outer surface of the tubular.

    摘要翻译: 本发明一般涉及锚定和密封工具。 在一个方面,提供了一种用于井眼的井下工具。 该工具包括具有锥形外表面的管状物。 该工具还包括设置在管状物上的可膨胀环形构件。 可膨胀构件具有锚固部分。 该工具还包括设置在可膨胀环形构件的凹槽中的密封构件。 密封构件具有一个或多个抗挤压带,其中当可膨胀环形构件沿着管状物的锥形外表面移动时,密封构件和锚定部构造成可径向向外扩展成与井筒接触。

    Latchable hanger assembly for liner drilling and completion
    5.
    发明申请
    Latchable hanger assembly for liner drilling and completion 失效
    用于衬板钻孔和完井的可锁定悬挂架组件

    公开(公告)号:US20070107911A1

    公开(公告)日:2007-05-17

    申请号:US11489039

    申请日:2006-07-19

    IPC分类号: E21B7/00 E21B23/01

    CPC分类号: E21B7/20 E21B33/04 E21B43/10

    摘要: Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from being cemented in in a bent or corkscrewed configuration. Additionally, there are no exterior components associated with the liner during drilling so as to allow relatively unrestricted return of drilling mud and cuttings.

    摘要翻译: 用于通过将衬套固定并固定到位来进行衬套钻孔和随后完成钻孔段的方法和系统。 这些方法和系统防止衬套以弯曲或开塞结构被胶合。 此外,在钻井期间没有与衬管相关联的外部部件,以允许钻井泥浆和钻屑相对不受限制地返回。

    Delayed opening ball seat
    6.
    发明授权

    公开(公告)号:US06634428B2

    公开(公告)日:2003-10-21

    申请号:US09848532

    申请日:2001-05-03

    IPC分类号: E21B3414

    CPC分类号: E21B34/108 E21B34/14

    摘要: A removable ball seat assembly is disclosed. It features a solid ball seat backed up by segmented dogs pinned to each other and mounted under the ball seat. Upon actuating a downhole tool with fluid pressure applied to a ball on the seat, the pressure is increased and the ball and seat move at a regulated rate. The dogs reach a recess and the ball moves through the seat. Subsequent, larger balls can pass through the seat, with the dogs in the recess, at much smaller pressure drops than the original ball.

    Latchable hanger assembly and method for liner drilling and completion
    7.
    发明授权
    Latchable hanger assembly and method for liner drilling and completion 失效
    用于班轮钻孔和完井的可锁定悬挂架总成及方法

    公开(公告)号:US07428933B2

    公开(公告)日:2008-09-30

    申请号:US11489039

    申请日:2006-07-19

    IPC分类号: E21B23/00 E21B23/01

    CPC分类号: E21B7/20 E21B33/04 E21B43/10

    摘要: Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from being cemented in in a bent or corkscrewed configuration. Additionally, there are no exterior components associated with the liner during drilling so as to allow relatively unrestricted return of drilling mud and cuttings.

    摘要翻译: 用于通过将衬套固定并固定到位来进行衬套钻孔和随后完成钻孔段的方法和系统。 这些方法和系统防止衬套以弯曲或开塞结构被胶合。 此外,在钻井期间没有与衬管相关联的外部部件,以允许钻井泥浆和钻屑相对不受限制地返回。

    Hanging liners by pipe expansion
    10.
    发明授权
    Hanging liners by pipe expansion 有权
    悬挂式衬管通过扩管

    公开(公告)号:US06598677B1

    公开(公告)日:2003-07-29

    申请号:US09315411

    申请日:1999-05-20

    IPC分类号: E21B2301

    摘要: A method for securing and sealing one tubular to another down hole facilitates cementing prior to sealing and allows for suspension of one tubular in the other by virtue of pipe expansion techniques.

    摘要翻译: 用于将一个管件固定和密封到另一个井下孔的方法有利于在密封之前的粘结,并且允许通过管道膨胀技术将一个管状物悬挂在另一个管道中。