| 摘要 |
A steam or thermal packer for use in subterranean wells having an integral expansion joint is disclosed. The packer has a multi-component, nonresilient, nonenergizing packing element, as well as a multi-component, nonenergizing, nonresilient sealing element engaging the expansion joint. Energy is stored in elements of the packer housing and in the dynamic seal assembly to maintain the sealing integrity establishing by the nonresilient sealing elements.
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