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公开(公告)号:US5014779A
公开(公告)日:1991-05-14
申请号:US555507
申请日:1990-08-02
申请人: Konstantin V. Meling , Jury A. Safonov , Gabdrashit S. Abdrakhmanov , Jury G. Mikhailin , Rodion M. Bogomolov , Valentin V. Salomatin , Almaz A. Mukhametshin , Salikhzyan M. Mingazov
发明人: Konstantin V. Meling , Jury A. Safonov , Gabdrashit S. Abdrakhmanov , Jury G. Mikhailin , Rodion M. Bogomolov , Valentin V. Salomatin , Almaz A. Mukhametshin , Salikhzyan M. Mingazov
CPC分类号: E21B43/105 , B21D41/02 , E21B29/10 , E21B43/103 , Y10T29/4994 , Y10T29/53652
摘要: The device is intended for expanding profile pipes set in a well for patching off a troublesome zone, and also for straightening crumpled casings.The device comprises a housing (1) having an expanding member (3) mounted thereon in bearings (4, 5) on a journal (2) extending at an acute angel to the longitudinal axis of the housing (1). The expanding member (3) is shaped as a spherical segment (9) having its external surface defined by alternating portions of a spherical surface (10) and the lateral surfaces of cylinders (11) whose geometric axes being to a plane perpendicular to the axis (13) of the journal (2).
摘要翻译: PCT No.PCT / SU88 / 00238 Sec。 371日期1990年8月2日第 102(e)日期1990年8月2日PCT提交1988年11月22日PCT公布。 出版物WO90 / 05831 日期为1990年5月31日。该装置旨在扩大设置在井中的型材管道,用于修补麻烦的区域,并用于矫直皱纹的外壳。 该装置包括一个壳体(1),该壳体具有一个安装在轴承(4,5)上的轴承(2)上的膨胀构件(3),轴颈(2)以锐角延伸到壳体(1)的纵向轴线。 膨胀构件(3)成形为球形区段(9),其外表面由球面(10)的交替部分和圆柱体(11)的侧表面限定,其几何轴线垂直于垂直于轴线的平面 (13)。