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CA2590269A1
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Hydrostatic mechanical seal with local pressurization of seal interface
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Highly reinforced elastomer for use in downhole stators
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Hydrostatic mechanical seal with local pressurization of seal interface
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US2006182644A1
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Progressing cavity stator including at least one cast longitudinal section
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US2006182643A1
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Progressing cavity stator having a plurality of cast longitudinal sections
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Asymmetric contouring of elastomer liner on lobes in a moineau style power section stator
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Composite material progressing cavity stators
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