| US 7,562,709 B2 | ||
| Gravel pack apparatus that includes a swellable element | ||
| Shahryar Saebi, Kuala Belait (Brunei Darussalam); Ezio Toffanin, Stavanger (Norway); and Raymond J. Tibbles, Kuala Lumpur (Malaysia) | ||
| Assigned to Schlumberger Technology Corporation, Sugar Land, Tex. (US) | ||
| Filed on Aug. 20, 2007, as Appl. No. 11/841,195. | ||
| Claims priority of provisional application 60/826191, filed on Sep. 19, 2006. | ||
| Prior Publication US 2008/0066900 A1, Mar. 20, 2008 | ||
| Int. Cl. E21B 43/04 (2006.01); E21B 33/12 (2006.01) | ||
| U.S. Cl. 166—278 [166/51; 166/179; 166/387] | 21 Claims |
| 1. A gravel pack apparatus for use in a wellbore, comprising:
a screen assembly to filter particulates;
at least one shunt conduit to carry gravel slurry; and
a swellable element, wherein the swellable element is formed of a material to swell in a presence of an activating agent to
seal against the wellbore, wherein the swellable element when swelled expands radially outwardly, and wherein at least one
axial path is defined in the material of the swellable element such that one or more walls of the axial path are provided
by the material, the at least one axial path to provide a portion of the at least one shunt conduit.
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