Patent ID: 9322239
Filing Date: 2016-04-26
CPC Classification: E21B

Claim Text:
1. A downhole assembly configured to be pumped within a wellbore conduit, the downhole assembly comprising: a tool string that defines a maximum transverse perimeter; a drag-enhancing structure with a frangible drag-enhancing structure body that is operatively attached to the tool string, extends outward of the maximum transverse perimeter of the tool string, and is configured to be destroyed while the downhole assembly is within the wellbore conduit; a release mechanism configured to selectively initiate destruction of the drag-enhancing structure body; wherein a transverse outer perimeter of the drag-enhancing structure body defines an included body area that is defined at a location of maximum value along a length of the drag-enhancing structure body, wherein the maximum transverse perimeter of the tool string defines an included tool string area that is defined at a location of maximum value along a length of the tool string, and further wherein the included body area is at least 1.2 times greater than the included tool string area.