发明申请
- 专利标题: DOWNHOLE SEISMIC SOURCE
- 专利标题(中): 井下地震源
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申请号: US11559252申请日: 2006-11-13
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公开(公告)号: US20080110691A1公开(公告)日: 2008-05-15
- 发明人: Chung Chang , Richard Timothy Coates , Jean G. Saint Germain
- 申请人: Chung Chang , Richard Timothy Coates , Jean G. Saint Germain
- 申请人地址: US CT Ridgefield
- 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 CT Ridgefield
- 主分类号: G01V1/147
- IPC分类号: G01V1/147 ; G01V1/40
摘要:
Elastodynamic waves are generated by a tool having a hammer rotatably connected with a housing by a first hinge and an actuator arm rotatably connected with the hammer by a second hinge. An axial force applied to the actuator arm by a drive shaft and spring is translated and amplified to a radial impact force by rotation of the hammer around the first hinge. The tool may also include a stabilizer arm connected to the actuator arm by a third hinge, and connected to the housing by a fourth hinge. The housing may be an acoustic wireline tool cylinder having an opening that permits the hammer mass to extend outside the housing when rotated in a first direction. The housing may also include a second opening that permits the hammer mass to extend outside the housing when rotated in a second direction, and a third opening that permits the hammer mass to extend outside the housing when rotated between the first and second openings.
公开/授权文献
- US07617908B2 Downhole seismic source 公开/授权日:2009-11-17