| 摘要 |
Disclosed herein is a method for centralizing a downhole component. The method includes, delivering a tubular member with a plurality of lines of weakness therein to a site requiring a centralizer, and actuating the tubular member by causing a portion of the tubular member to deform radially from an unactuated position. The actuated portion contacting a downhole tubular structure, while maintaining at least two separate fluid passages. A first fluid passage between the portion of the tubular member and an outside surface of the tubular member in the unactuated position and a second fluid passage at a dimension smaller than that of the outside surface of the tubular member in the unactuated position.
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