Invention Grant
US07647980B2 Drillstring packer assembly 有权
钻柱封隔器总成

Drillstring packer assembly
Abstract:
A packer assembly for use in wellbore operations includes a first packer and a second packer interconnected by an adjustable length spacer. The spacer provides a mechanism for adjusting the distance between the first packer and the second packer when the assembly is positioned in a wellbore.
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