| US 7,610,957 B2 | ||
| Downhole debris catcher and associated mill | ||
| John P. Davis, Cypress, Tex. (US); James S. Trahan, Magnolia, Tex. (US); and Paul L. Connell, Spring, Tex. (US) | ||
| Assigned to Baker Hughes Incorporated, Houston, Tex. (US) | ||
| Filed on Feb. 11, 2008, as Appl. No. 12/29,228. | ||
| Prior Publication US 2009/0200012 A1, Aug. 13, 2009 | ||
| Int. Cl. E21B 31/08 (2006.01); E21B 27/00 (2006.01); E21B 34/00 (2006.01) | ||
| U.S. Cl. 166—99 [166/162; 166/316] | 15 Claims |
| 1. A debris catcher assembly for downhole use in a wellbore to separate debris from moving fluid, comprising:
an enclosed body located in the wellbore having a lower end and an upper end and comprising a plurality of enclosed modules
arranged in series to define an inlet flow path internal to said enclosed body to accept fluid with debris therethrough into
said flowpath and debris catchers located within said modules and offset from said flowpath for accumulation of debris as
the fluid flows through said flowpath.
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