Galling resistant drill pipe tool joint and corresponding drill pipe

Disclosed herein are embodiments of a drill pipe tool joint and a drill pipe which are optimized for repeated make-up/break-out operations without the use of screw grease. Embodiments of the disclosure are environment friendly as well as having improved operating efficiency. In particular, the box a...

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Bibliographic Details
Main Authors Ono, Tatsuo, Kobayashi, Nobuo, Sato, Nobuhide, Yoshida, Motohisa, Sakura, Koji, Kuwano, Takeshi, Fukui, Toshihiko, Narikawa, Tomoyuki
Format Patent
LanguageEnglish
Published 15.05.2018
Subjects
APPARATUS THEREFOR
CHEMISTRY
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
FIXED CONSTRUCTIONS
METALLURGY
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Summary:Disclosed herein are embodiments of a drill pipe tool joint and a drill pipe which are optimized for repeated make-up/break-out operations without the use of screw grease. Embodiments of the disclosure are environment friendly as well as having improved operating efficiency. In particular, the box and pin can be formed from different materials having different hardness.
Bibliography:Application Number: US201314760300