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
Advertising apparatus
Method and device for operating a vehicle having a hybrid drive
Combination immunotherapy for the treatment of cancer
Chitosan hydrogel derivatives as a coating agent with broad spectrum of antimicrobial activities
Methods and apparatus for intelligent selection of goods and services in mobile commerce
Integrated projector system
Materials and methods for stress reduction in semiconductor wafer passivation layers
  Randomly Featured Patents
Semiconductor power component and a corresponding manufacturing method
Synthesis of alpha-aminonitriles
Portion of a retaining block
Bath accessory post
High chair for infant
Stacked LC filter with a pole-adjusting electrode facing resonator coupling patterns
Voice band splitting scrambler
Enhanced access burst in a wireless communication system
Lighting devices
System and method for utilizing spectral resources in wireless communications