Downhole Device
AssigneeWireline Engineering Limited
InventorRobert Neil Hall
Life of this patent
Estimating the term…
Abstract
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.
Claims21
A downhole device for incorporation into a downhole string and movement in a well-bore, the device comprising:—
- a body member;
- at least one roller arranged on the device to engage an inner surface of the well-bore;
- and
- an orientation device to orient the device in the well bore, wherein the orientation device is provided on the roller.
Dependencies are inferred from the claim text.