发明名称 INTERNALLY ORIENTED PERFORATING SYSTEM
摘要 One embodiment of the present invention discloses a system and method for orienting perforating guns inside of slanted or deviated wellbores. The invention involves adding a weight inside of the guns to gravitate the gun to a specified orientation. The weight is situated on the outer circumference of the gun tube and within the inner diameter of the gun body. The invention is capable of orienting the gun in any radial position without affecting the shot performance of any of the shaped charges.
申请公布号 WO03048523(A1) 申请公布日期 2003.06.12
申请号 WO2002US38184 申请日期 2002.11.27
申请人 BAKER HUGHES INCORPORATED 发明人 SLOAN, MARK, L.;RANTALA, ERICK, R.
分类号 E21B43/119;(IPC1-7):E21B43/119 主分类号 E21B43/119
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