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JPS584090A
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CA1158447A
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Method of grouting offshore structures
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Slip-type elevator locking mechanism
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Link engaging pipe elevator
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Shock absorbing snubber for derrick hooks
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Resin coated aluminum
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Expansive admixture
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Zero free water cement composition and method
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Apparatus for making multiple orientation measurements in a drill string
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Pipe manipulator
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Pipe gripping head
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Valve retrieval mechanism for an inflatable packer system
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Packer deflate subassembly for an inflatable packer system
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Check/relief valve for an inflatable packer system
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Valve assembly for an inflatable packer system
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Inflatable packer system
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Method of plugging a well
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FR2468720A1
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Apparatus for detecting bulbs on a drill rod
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