Resources Contact Us Home
Downhole device

Image Number 7 for United States Patent #7866384.

The invention relates to a downhole device for incorporation into a downhole string and movement in a wellbore. The device comprises a body member, at least one roller arranged on the device to engage the inner surface of the wellbore and means to orient the device in the wellbore. The means to orient the device are provided on the or each roller. Preferably the means to orient the device comprise a projecting portion provided on the or each roller which projects radially outwardly from the body member. The projecting portion can be an eccentrically-shaped portion of the or each roller.

  Recently Added Patents
Method of sheet alignment and method of post-processing comprising the same and method of image formation
Providing user interfaces and window previews for hosted applications
Method and apparatus for reducing power consumption used in communication system having time slots
Implant free extremely thin semiconductor devices
Image output method and device, and image display
Method for treating wounds for mammals, wound healer compound, and method of manufacturing thereof
  Randomly Featured Patents
Cable exit trough with insert
Concentric tube heat tracing apparatus
Artificial insemination device with an inner catheter for animals
Short circuit protected capacitive load driver
Electrical power feed assembly for electrothermal gun
Dynamic random access memory device with a latching mechanism that permits hidden refresh operations
Wireless security sensor transmitter
Hide tanning composition and method of preparing same
Call redirection feature for relay services
System and method for on-board diagnostics of memory modules