Chemistry: electrical and wave energy – Processes and products
Patent
1982-08-13
1984-10-02
Hearn, Brian E.
Chemistry: electrical and wave energy
Processes and products
204 41, 204 42, C23B 556, C25D 704
Patent
active
044746512
ABSTRACT:
A joint for used in connecting oil well casing and/or tubing and method of producing same are disclosed. The joint with improved metal-to-metal sealing properties as well as improved resistance to galling is made of an alloy steel containing 10% or more by weight of Cr and comprises a metal sealing portion and a threaded portion provided with an activating layer of a metal or an alloy selected iron, nickel, zinc, cobalt, copper, manganese, chromium and alloys thereof, and an electrodeposited layer of a metal or an alloy selected from iron, copper, zinc, chromium, nickel, and alloys thereof.
REFERENCES:
patent: 1954473 (1934-04-01), Dunn
patent: 2528717 (1950-11-01), Batcheller
patent: 2780019 (1957-02-01), Sullivan
patent: 2898490 (1959-08-01), Damon
patent: 2965551 (1960-12-01), Richaud
patent: 3338803 (1967-08-01), DiBari
patent: 3669851 (1972-06-01), Garvey
patent: 4039399 (1977-08-01), Wallace et al.
Fukui Kunihiro
Kawashima Hisakazu
Morita Yoshiyasu
Nishihara Minoru
Yauchi Akihiro
Hearn Brian E.
Sumitomo Metal Industries Ltd.
Thane Nathan
LandOfFree
Oil well casing and tubing joint and production of same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Oil well casing and tubing joint and production of same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oil well casing and tubing joint and production of same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-525712