发明申请
US20110024117A1 DEVICE AND METHOD TO REDUCE BREAKDOWN/FRACTURE INITIATION PRESSURE
审中-公开
降低破裂/破碎压力的装置和方法
- 专利标题： DEVICE AND METHOD TO REDUCE BREAKDOWN/FRACTURE INITIATION PRESSURE
- 专利标题（中）： 降低破裂/破碎压力的装置和方法
-
申请号： US12747553申请日： 2008-12-12
-
公开(公告)号： US20110024117A1公开(公告)日： 2011-02-03
- 发明人: Jorge E. Lopez De Cardenas , Jason Swaren , Desmond E. Rees , Jerry D. Campbell
- 申请人： Jorge E. Lopez De Cardenas , Jason Swaren , Desmond E. Rees , Jerry D. Campbell
- 申请人地址： US TX SUGAR LAND
- 专利权人： SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人： SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人地址： US TX SUGAR LAND
- 国际申请： PCT/US08/86679 WO 20081212
- 主分类号： E21B43/11
- IPC分类号： E21B43/11
摘要：
A slim perforating gun includes a plurality of shape charges; a positioning device that orients the perforating gun in relation to a down direction of a deviated well; the shaped charges being positioned inside the perforating gun and aimed in predetermined directions with respect to the down direction of the deviated well; wherein a ratio of the outer diameter of the slim perforating gun to the inner diameter of a casing used in connection with the slim perforating gun is from 0.85 to 0.30.
信息查询
