Patent ID: 7549486
Filing Date: 2009-06-23
Classification: E21B

Abstract:
1. A down hole apparatus for use in a well bore, said wellbore having a fluid containing a debris therein, the apparatus comprising: a carrier sub threadedly attached to a work string, said carrier sub having an inner portion containing a first chamfered surface; a latch member with a plurality of fingers extending therefrom, each of said fingers having a protuberance, said latch member including a radial end surface and an angled end, wherein said first chamfered surface of said inner portion of said carrier sub cooperates with said angled end of said latch member, wherein said carrier sub is concentrically disposed about and engages said latch member; a cylindrical sub disposed within said carrier sub, said cylindrical sub having a first end abutting a radial shoulder of the work string and a second end abutting said radial end surface of said latch member to hold said latch member in place; a first tubular member disposed within said latch member, said first tubular member having an internal retrieving profile and a groove with a first shoulder, wherein said protuberance of each of said fingers engages said first shoulder of said groove of said first tubular member; a diverter device operatively attached to an inner portion of said first tubular member, wherein said diverter device has an integral centered portion which extends to a radially expanding body; a screen extending from said diverter device, wherein said integral centered portion of said diverter device contains a passage to divert the fluid to an outer portion of said screen, wherein the fluid flows from an outer portion of said integral centered portion and into an inner portion of said screen; a debris tube attached to said first tubular member and concentrically disposed within said carrier sub and about said screen; and an annulus created between said screen and said debris tube, wherein the debris contained within the fluid collects within said annulus.