Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Driving apparatus having an optical sensor and a thermal sensor for thermal and aging compensation of backlight module and driving method of backlight module
Leg stretching device
Utilizing virtually stored media snapshots for rasterizing print jobs
Scattering spectroscopy employing hotspot-aligned nanopores
Vectorization of program code
Electronic product design
Method and apparatus of motion vector prediction with extended motion vector predictor
  Randomly Featured Patents
Silk screen printer
Spirotropane compounds and methods for the modulation of chemokine receptor activity
Pearlite rail
Integrated biosensor and simulation system for diagnosis and therapy
Protective system for an installation and a method for checking a protective system
Vehicle visor
Multipole lens and method of fabricating same
Method and apparatus for controlling vehicle height
Torque and impulse transmitting machine
Blood rheology measuring apparatus