US 11,933,160 B1
Sensor transportation device
Stephen Peter McCormick, Auckland (NZ)
Assigned to PETROMAC IP LIMITED, Auckland (NZ)
Filed by PETROMAC IP LIMITED, Auckland (NZ)
Filed on Apr. 14, 2023, as Appl. No. 18/300,752.
Int. Cl. E21B 47/01 (2012.01); B33Y 80/00 (2015.01)
CPC E21B 47/01 (2013.01) [B33Y 80/00 (2014.12)] 17 Claims
OG exemplary drawing
 
1. A device for transporting a tool string along a wellbore, the device comprising:
a body comprising a first end and a second end, each of the first and second ends configured for in-line connection within the tool string,
a conduit extending longitudinally through the body from the first end to the second end,
an axle extending through the body and mounted to rotate on a rotational axis perpendicular to a central longitudinal axis of the device, and
a wheel fixed to each end of the axle,
wherein the conduit comprises:
a central portion at each of the first and second ends of the body, the central portions colinear with the central longitudinal axis of the device, and
a non-linear portion between the central portions, the non-linear portion extending along a non-linear path through the body to extend around the axle between the first and second ends of the body.