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
Terminal device and image printing method
Cytokine receptors associated with myelogenous haematological proliferative disorders and uses thereof
Wireless communication method, wireless communication system, and mode switching method
Method and system for providing status of a machine
Monitoring device, monitoring method and non-transitory computer readable medium
Warm air generating apparatus, sheet feeding apparatus, and image forming apparatus including warm air generating apparatus and sheet feeding apparatus
  Randomly Featured Patents
Chest of drawers
System and method for delivering incoming calls to mobile units in border cells using packet-based links
Battery operated capacitance measurement circuit
Apparatus and method of testing anti-lock brake system
Device to actuate helmet visors, particularly for motorcyclists
Load handling apparatus
Charged particle beam exposure method and apparatus
Power rectifier device and method of fabricating power rectifier devices
Display device, driving method thereof, and electronic apparatus