Super high torque dope-free threaded joint

作者: Francisco Alfredo Quiroga , Gabriel Eduardo Carcagno

DOI:

关键词:

摘要: A high torque threaded joint comprising a box member having threads and pin (10) configured positioned to mate with the of member. There- is flank- to-flank contact thread profile using trapezoidal both positive very low load flank angle, (β1 or a); stabbin (14) (β2, b), wherein are coated solid, dopefree surface treatment.

参考文章(10)
Kenneth J. Cartensen, Threaded tubing and casing joint ,(1988)
Masatsugu Nishi, Teruaki Suzuki, Screw joint for oil well piping ,(1999)
Eiji Tsuru, Kazushi Maruyama, Masaharu Oka, Seijun Higuchi, INNOVATIVE TECHNOLOGY FOR TUBULAR CONNECTION TO ELIMINATE THREAD-COMPOUND GREASE Spe Drilling & Completion. ,vol. 13, pp. 92- 98 ,(1998) , 10.2118/37649-PA
Diego Dell'erba, Gabriel E. Carcagno, Threaded pipe with surface treatment ,(2003)
Shigeo Nagasaku, Kazuyuki Nakasuji, Toshiro Anraku, Kunio Goto, Keishi Matsumoto, Threaded joint for steel pipes ,(2006)
Miyuki Yamamoto, Jun Maeda, Akira Narita, Threaded joint for oil well pipes ,(1995)