Thread-sticking Types of Oil Well Tube and Relevant Cause Investigation
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Graphical Abstract
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Abstract
Different causes for thread sticking of oil well tubes encountered during processing/assembling at the plant or at the oil field working site. Five major thread-sticking types are summarized, i.e., structural type, mating type, engagement type, performance type and operation type, based on which, different technical measures are proposed to prevent or reduce the said trouble.
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