Sensor transportation apparatus and guide device
AssigneePetromac IP Limited
InventorStephen Peter MCCORMICK
Life of this patent
Estimating the term…
Abstract
A sensor transportation apparatus to convey a sensor assembly through a wellbore. The apparatus comprising has an engagement structure to connect the sensor transportation apparatus to the sensor assembly, and one or more wheels arranged to rotate about an axis of rotation substantially perpendicular to a longitudinal axis of the sensor assembly when the transportation apparatus is connected to the sensor assembly. An orientation structure defining a form having a transverse outline which has a rotational centre, wherein the rotational centre is offset from a centroidal axis of the elongate sensor assembly.
Claims31
A sensor transportation apparatus to convey an elongate sensor assembly through a wellbore, the sensor transportation apparatus comprising:
- at least one engagement structure to connect the sensor transportation apparatus to the sensor assembly, and
- one or more wheels arranged to rotate about an axis of rotation substantially perpendicular to a longitudinal axis of the sensor assembly when the transportation apparatus is connected to the sensor assembly, and
- an orientation structure defining a form having a transverse outline which has a rotational centre, wherein the rotational centre is offset from a centroidal axis of the elongate sensor assembly.
-6. (canceled)
-9. (canceled)
(canceled)
(canceled)
(canceled)
The sensor transportation apparatus of claim comprising a jockey wheel mounted to adjustable mounting means for selectively raising or lowering the jockey wheel wherein when said mounting wheel is in a raised position the jockey wheel engages an opposite side of the wellbore to the wheels and when said mounting means is in a lowered position the jockey wheel does not engage the side of the wellbore.
-28. (canceled)
-31. (canceled)
-35. (canceled)
A guide device for guiding an elongate sensor assembly in a wellbore, the sensor assembly provided, in use, with an orientation structure for orientating the guide device in the wellbore, the guide device comprising a nose assembly having a base adapted to engage an end of the sensor assembly and a nose section having a tip which is offset from the longitudinal axis of the elongate sensor assembly when the nose assembly is engaged with said sensor assembly.
-39. (canceled)
The guide device of claim 47 wherein the nose assembly comprises a locking member provided with a plurality of locking pin apertures and the base comprises a plurality of locking pin apertures to lock the nose section at a preselected angular setting with locking pins.
(canceled)
An elongate sensor assembly provided with a sensor transport apparatus for transporting said sensor assembly through a wellbore, and an orientation structure, wherein
- the sensor transportation apparatus comprises at least one engagement structure to connect the sensor transportation apparatus to the sensor assembly, and one or more wheels arranged to rotate about an axis of rotation substantially perpendicular to a longitudinal axis of the sensor assembly when the transportation apparatus is connected to the sensor assembly, and wherein
- the orientation structure defines a form that has a transverse outline which has a rotational centre which is offset from a centroidal axis of the elongate sensor assembly.
-45. (canceled)
Dependencies are inferred from the claim text.