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    • 2. 发明申请
    • A JUNK CATCHER AND A METHOD OF OPERATION OF SAME
    • 一种捕捉器及其操作方法
    • WO2014175750A1
    • 2014-10-30
    • PCT/NO2014/050063
    • 2014-04-24
    • ALTUS INTERVENTION AS
    • PEDERSEN, Dag, RavnLØVSLETT, RobinZAKARIA, HassanTINNEN, Bård, Martin
    • E21B34/14E21B23/00E21B27/00E21B33/134
    • E21B31/00E21B23/06E21B27/00E21B33/134E21B34/06E21B34/14
    • A junk catcher (2, 2') where the junk catcher (2, 2') is releasable connected to a retrievable bridge plug (4, 4'), the retrievable bridge plug (4, 4') being connectable to a setting tool (6) for the joint deployment of the bridge plug (4, 4') and the junk catcher (2, 2') in a borehole (9) or a tubular in the borehole (9), the setting tool (6) is extending through a fishing neck (12), a catcher tube (14), a flanged section (16), a valve chamber (18), a closable opening (20) and a portion of a setting sleeve (22, 22') of the junk catcher (2, 2'), the valve chamber (18) comprises a valve (50) arranged to close the closable opening (20) after retrieval of the setting tool (6) from the junk catcher (2, 2'), the junk catcher (2, 2') is connected to the bridge plug (4, 4') by at least one shear bolt (27, 38), the bridge plug (4, 4') comprises a plug fishing neck (32, 32') facing the junk catcher (2, 2'), and the bridge plug (4, 4') comprises an equalizing channel (71) in a mandrel (7), the equalizing channel (71) extending from a bull nose (41) of the bridge plug (4, 4'), and where the junk catcher (2, 2') is provided with a closing sleeve (26, 26'), the closing sleeve (26, 26') is connected to the bridge plug (4, 4') by at least one shear bolt (38, 38'), and the closing sleeve (26, 26') seals at least one equalizing port (73) in the mandrel (7) when the bridge plug (4, 4') is set. A method for operating the bridge plug (4, 4') and junk catcher (2, 2') assembly is described as well.
    • 一种垃圾收集器(2,2'),其中垃圾收集器(2,2')可释放地连接到可回收桥接插头(4,4'),所述可回收桥接插头(4,4')可连接到设置工具 (6),用于将桥塞(4,4')和所述垃圾捕集器(2,2')在钻孔(9)中或在所述钻孔(9)中的管状物中共同部署,所述设置工具(6)是 延伸穿过钓鱼脖子(12),捕集管(14),法兰部分(16),阀室(18),可关闭的开口(20)和固定套(22,22')的一部分 垃圾捕集器(2,2'),所述阀室(18)包括阀(50),所述阀(50)被布置成在从所述垃圾捕集器(2,2')取回所述设置工具(6)之后关闭所述可关闭开口(20) ,所述垃圾捕集器(2,2')通过至少一个剪切螺栓(27,38)连接到所述桥塞(4,4'),所述桥塞(4,4')包括插头钓鱼脖子(32) ,32'),并且所述桥塞(4,4')包括在心轴(7)中的均衡通道(71),所述e 从桥塞(4,4')的大鼻子(41)延伸的排放通道(71),并且其中垃圾捕集器(2,2')设置有关闭套筒(26,26'),所述关闭 套筒(26,26')通过至少一个剪切螺栓(38,38')连接到桥塞(4,4'),并且闭合套筒(26,26')密封至少一个平衡口(73 )在桥塞(4,4')被设置时在心轴(7)中。 还描述了用于操作桥塞(4,4')和垃圾捕集器(2,2')组件的方法。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR RETRIEVING A TUBING FROM A WELL
    • 从井中回收管道的方法和装置
    • WO2015199548A1
    • 2015-12-30
    • PCT/NO2015/050113
    • 2015-06-23
    • ALTUS INTERVENTION AS
    • VOLGMANN, MarcoTINNEN, Bård, Martin
    • E21B17/07E21B23/14
    • E21B31/16E21B17/07E21B17/206E21B19/008E21B23/14E21B29/005E21B31/20E21B33/12
    • The invention relates to an interface tool (102) and an apparatus (1401') for retrieving a tubing (1201) from a well (3100) at least partly filled with a liquid (1101), the tubing (1201) having a first end portion (Α-Α') and a second end portion (Β-Β'). The apparatus (1401') comprises: i) an engagement means (1403) for engaging the tubing (1201); ii) a sealing means (1404) for sealing the first end portion (Α-Α') of the bore of the tubing (1201); iii) injection means for injecting a low density fluid (1501) into the tubing (1201) in or at an elevation below, the sealing means (1404); and iv) connecting means (3507, 2301, 2401) to a surface of the well (100). The apparatus (1401) comprises a first tool string section (104), a second tool string section (105) and an interface tool (102), wherein the interface tool (102) is configured for connecting the first tool string section (104) and the second tool string section (105). The first tool string section (104) is provided with the engagement means (1403), the sealing means (1404), the injection means and the connection means (3507, 2301, 2401). The second downhole equipment (105) is provided with a sealing means (1301) for closing the second end portion (Β-Β') of the tubing, such as a mechanical plug comprising a check valve, and a cutting tool (3506) for cutting the tubing underneath the sealing means (1301). The invention also relates to a method for retrieving a tubing (1201) from a well (3100) at least partly filled with a liquid (1101), wherein such apparatus is used. The invention makes the removal of a tubing more time and cost efficient than current systems and methods, because multiple steps are carried out with a single tool string.
    • 本发明涉及用于从至少部分地填充有液体(1101)的井(3100)取回管道(1201)的接口工具(102)和装置(1401'),所述管道(1201)具有第一端 部分(Α-Α')和第二端部分(Β-Β')。 装置(1401')包括:i)用于接合管道(1201)的接合装置(1403); ii)用于密封管道(1201)的孔的第一端部(A-A')的密封装置(1404); iii)注射装置,用于在密封装置(1404)下方或下方的高度将低密度流体(1501)注入管道(1201)中; 以及iv)连接装置(3507,2301,1401)到井(100)的表面。 所述装置包括第一工具串部分,第二工具串部分和接口工具,其中所述接口工具被构造用于将所述第一工具串部分连接到所述第一工具串部分, 和第二工具串部分(105)。 第一工具串部分(104)设置有接合装置(1403),密封装置(1404),注射装置和连接装置(3507,2301,1401)。 第二井下设备(105)设置有用于封闭管道的第二端部(Β-Β')的密封装置(1301),例如包括止回阀的机械塞,以及切割工具(3506),用于 切割密封装置(1301)下面的管道。 本发明还涉及一种用于从至少部分地填充有液体(1101)的井(3100)取回管道(1201)的方法,其中使用这种装置。 由于通过单个工具串执行多个步骤,本发明使得管道比目前的系统和方法更加时间和成本有效地移除。