Patent ID: 7926595
Filing Date: 2011-04-19
Classification: E21B

Abstract:
1. A downhole filter comprising: a. a filter housing; b. a top flow control device housing disposed in the filter housing, wherein the top flow control device housing has a flow control device disposed therein; c. a top filter disposed within the filter housing adjacent the top flow control device housing, wherein the top filter comprises an inner bore in fluid communication with an outer diameter of the top filter and a first portion of the filter housing; d. a middle sub having a first end disposed adjacent to the top filter, wherein the middle sub provides a flow path between the inner bore of the top filter and a second portion of the filter housing, wherein a cross-over formed into the middle sub provides fluid communication between the inner bore of the middle sub and the second portion of the filter housing; e. a bottom flow control device housing connected to a second end of the middle sub, wherein the bottom flow control device housing comprises a bottom flow control device; f. a bottom filter adjacent the bottom flow control device housing, wherein the bottom filter comprises an inner bore in fluid communication with an outer diameter of the bottom filter and the second portion of the filter housing; g. a top sub having a first end connected to the first portion of the filter housing adjacent the top flow control device housing; and h. a bottom sub having a first end connected to the second portion of the filter housing adjacent the bottom filter.