Patent ID: 9453383
Filing Date: 2016-09-27
CPC Classification: E21B

Claim Text:
1. A downhole apparatus comprising: a plurality of modular debris chambers, wherein each of the plurality of modular debris chambers comprises: a bucket for collecting debris; an inner flow tube being concentrically arranged within the bucket; a deflector arranged at a lower end of the bucket and being separate from an inlet to the inner flow tube, the deflector of a first modular debris chamber of the plurality of modular debris chambers being configured to deflect a flow of debris from the inner flow tube of a second modular debris chamber of the plurality of modular debris chambers into the bucket of the second modular debris chamber, wherein the second modular debris chamber is connected to a lower end of the first modular debris chamber; and wherein the deflector comprises: a seal; and a conduit for the flow of debris of the inner flow tube, wherein the inlet is disposed on a lower end of the conduit.