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
Character input device and program for displaying next word candidates based on the candidates' usage history
Bias voltage generating circuit and switching power supply thereof
Providing policy-based operating system services in an operating system on a computing system
Adaptive control for uncertain nonlinear multi-input multi-output systems
Method and apparatus for editing a program on an optical disc
System and method for providing an extended platform for an operating system
  Randomly Featured Patents
Unit circuit, electro-optical device, and electronic apparatus
X-ray system with a beam-gating diaphragm, and method for automatic adjustment thereof
Metal oxide coated aluminum pigments
Electro-optical device and driving device thereof
Personal material handling system
Binder for electrode of non-aqueous electrolyte secondary battery, electrode, and non-aqueous electrolyte secondary battery
Umbrella handle
Surgical disk drape and method of dislodging surgical slush within thermal treatment system basins
Composite for use in making protective articles for use in laser surgery
Computer terminal