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
Focusing apparatus that effectively sets a focus area of an image when a focusing mode is changed
Apparatus for generating electrical energy from rocking activated energy
Wide bandwidth hybrid antenna for combination EAS and RFID label or tag
Web-based system and method for video analysis
Calibration device and related method for phase difference between data and clock
Lens driving device
Systems and methods for computer-aided fold detection
  Randomly Featured Patents
Electro-expulsive de-icing apparatus and method of use
Speech processor for use with a cochlear implant
Control for cooling unit
Gradually degrading multimedia recordings
Disk player and worm mechanism for same
Program concurrency control using condition variables
Remote mixture control tool with cleaning function
Tablet press machine
Linear chemical mechanical planarization (CMP) system and method for planarizing a wafer in a single CMP module
Personal care product package