One trip cemented expandable monobore liner system and method

    公开(公告)号:US20060272827A1

    公开(公告)日:2006-12-07

    申请号:US11349014

    申请日:2006-02-07

    CPC classification number: E21B21/10 E21B34/14 E21B43/103

    Abstract: An apparatus to protect the mounting area of casing and a locating profile and optionally a sliding sleeve valve and a flow path from the outside of the valve to the annulus when subsequent attachment of an expanded liner is intended and the expanded liner is to be cemented in place. A barrier sleeve, nose, and outer sleeve define a sealed cavity having a loose incompressible material inside that covers the mounting location on the casing. A locating profile and an optional sliding sleeve valve and a flow path from the outside of the valve to the annulus can be provided. The cementing of the casing takes place through the barrier sleeve. After the cementing, the sleeve and nose are drilled out and the incompressible material is removed to the surface with the drill cuttings. A liner is inserted in the casing and is preferably expanded into sealing contact with the mounting location on the casing. After expansion a cement retainer positioned at the bottom of the expanded liner and the sliding sleeve located either above the mounting location of the liner in the casing shoe or in the liner below the mounted top section allow cement to be delivered outside the expanded liner and the displaced wellbore fluid to return into the casing through so that the liner can be cemented. The cement retainer can be delivered with either the liner or the expansion tools to allow expansion and cementing in a single trip. A shifting tool can be run on the expansion string to actuate the sliding sleeve and if necessary to allow for cement to be pumped from the drill string into the annulus through the sliding sleeve. The cement retainer can be milled out in a separate trip.

    Shoe for expandable liner system
    2.
    发明申请
    Shoe for expandable liner system 有权
    可扩展衬垫系统鞋

    公开(公告)号:US20070007011A1

    公开(公告)日:2007-01-11

    申请号:US11521285

    申请日:2006-09-14

    CPC classification number: E21B33/14 E21B17/1007 E21B43/103

    Abstract: An apparatus to protect the mounting area of casing when subsequently attaching a tubular is disclosed. A sleeve that defines a sealed cavity having a loose incompressible material inside covers the mounting location on the casing. The cementing of the casing takes place through the sleeve. After the cementing, the sleeve is drilled out and the incompressible material is removed to the surface with the drill cuttings. A tubular is inserted in the casing and is preferably expanded into sealing contact with the mounting location on the casing. At the end of expansion, the run in shoe on the tubular is retrieved.

    Abstract translation: 公开了一种用于在随后附接管状物时保护壳体的安装区域的装置。 限定具有松散的不可压缩材料的密封腔的套筒覆盖壳体上的安装位置。 套管的固定通过套筒进行。 固井后,钻出套筒,用钻屑将不可压缩的材料移至表面。 管状体插入壳体中,并且优选地膨胀成与壳体上的安装位置密封接触。 在膨胀结束时,取出管中的鞋子。

    One trip cemented expandable monobore liner system and method

    公开(公告)号:US20060272817A1

    公开(公告)日:2006-12-07

    申请号:US11348753

    申请日:2006-02-07

    CPC classification number: E21B21/10 E21B34/14 E21B43/103

    Abstract: An apparatus to protect the mounting area of casing and a locating profile and optionally a sliding sleeve valve and a flow path from the outside of the valve to the annulus when subsequent attachment of an expanded liner is intended and the expanded liner is to be cemented in place. A barrier sleeve, nose, and outer sleeve define a sealed cavity having a loose incompressible material inside that covers the mounting location on the casing. A locating profile and an optional sliding sleeve valve and a flow path from the outside of the valve to the annulus can be provided. The cementing of the casing takes place through the barrier sleeve. After the cementing, the sleeve and nose are drilled out and the incompressible material is removed to the surface with the drill cuttings. A liner is inserted in the casing and is preferably expanded into sealing contact with the mounting location on the casing. After expansion a cement retainer positioned at the bottom of the expanded liner and the sliding sleeve located either above the mounting location of the liner in the casing shoe or in the liner below the mounted top section allow cement to be delivered outside the expanded liner and the displaced wellbore fluid to return into the casing through so that the liner can be cemented. The cement retainer can be delivered with either the liner or the expansion tools to allow expansion and cementing in a single trip. A shifting tool can be run on the expansion string to actuate the sliding sleeve and if necessary to allow for cement to be pumped from the drill string into the annulus through the sliding sleeve. The cement retainer can be milled out in a separate trip.

Patent Agency Ranking