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
Crystalline solvates of 6-(piperidin-4-yloxy)-2H-isoquinolin-1-one hydrochloride
Method of purifying crude acetone stream
System for the secure management of digitally controlled locks, operating by means of crypto acoustic credentials
Synchronization scheduling apparatus and method in real-time multi-core system
System and method for updating firmware
Credit flow control scheme in a router with flexible link widths utilizing minimal storage
Statistical identification of instances during reconciliation process
  Randomly Featured Patents
Method and apparatus for caching and reusing object identifiers
Multiple level computer graphics system with display level blending
Photosensitive compositions
Conducting cross-checks on legal matters across an enterprise system
Mass compensating device especially applicable to rotary boring heads
X-ray CT device and method of controlling the same
Electric shaver
Association-based predictions of pathogen characteristics
Machine and process for making and applying documents to objects
Portable communications receiver with separate information presentation means