Devices, systems, and methods for a cleaning element
AssigneeSchlumberger Technology Corporation
InventorsPhilip Trunk, Ming Zhang, Mahesha Kumar
Life of this patent
Estimating the term…
Abstract
A downhole tool includes a body having a longitudinal axis and a fluid passage extending through the body. The downhole tool includes at least one blade having one or more engagement faces thereon. At least one junk slot extends adjacent to the at least one blade. The downhole tool includes a cleaning element at the longitudinal axis of the body. The cleaning element has a substrate bore in fluid communication with the fluid passage. The cleaning element includes at least one opening or passing a fluid from the substrate bore and out of the downhole tool through the at least one junk slot. A flow direction of the at least one opening is offset from the longitudinal axis.
Claims14
A downhole tool, comprising:
- a body having a longitudinal axis and a fluid passage extending through the body;
- a plurality of blades each having one or more engagement faces thereon;
- a plurality of junk slots formed between adjacent blades of the plurality of blades;
- and
- a cleaning element at the longitudinal axis of the body and having a substrate bore in fluid communication with the fluid passage, the cleaning element including a plurality of openings for passing a fluid from the substrate bore and out of the downhole tool through the plurality of junk slots, wherein at least one blade of the plurality of blades at least partially rotationally overhangs the cleaning element, and wherein two or more of the plurality of blades are connected to form a bridge at the longitudinal axis of the downhole tool over the cleaning element.
Dependencies are inferred from the claim text.