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US4185492A
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Leak testing apparatus and improved seals therefor
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Method and apparatus for gaging and joining pipe
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CA1084699A
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Method and apparatus for gaging and joining pipe
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Method of gaging and joining pipe
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Apparatus and method for leak testing of tool joints between drill pipe sections
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Apparatus and method for testing well pipe
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Quick-connect joint or coupling
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Apparatus and method for removing scale and wax from oilwell tubing
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CA878292A
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Apparatus and method for testing well pipe
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CA654925A
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Thread protector for use during running of tubular elements into an oilwell
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