发明授权
- 专利标题： Magnetic ranging while drilling using an electric dipole source and a magnetic field sensor
- 专利标题（中）： 使用电偶极源和磁场传感器进行钻孔时的磁测距
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申请号： US12105698申请日： 2008-04-18
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公开(公告)号： US08596382B2公开(公告)日： 2013-12-03
- 发明人: Brian Clark , Jaideva C. Goswami
- 申请人： Brian Clark , Jaideva C. Goswami
- 申请人地址： US TX Sugar Land
- 专利权人： Schlumbeger Technology Corporation
- 当前专利权人： Schlumbeger Technology Corporation
- 当前专利权人地址： US TX Sugar Land
- 代理商 Kimberly Ballew
- 主分类号： E21B47/02
- IPC分类号： E21B47/02
摘要：
A system and methods for drilling a well in a field having an existing well are provided. Specifically a method of drilling a new well in a field having an existing well includes drilling the new well using a bottom hole assembly (BHA) having a drill collar divided by an insulated gap, generating a current on the drill collar of the BHA while drilling the new well, and measuring from the existing well a magnetic field caused by the current on the drill collar of the BHA. Using measurements of the magnetic field, a relative position of the new well to the existing well may be determined.
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