Composite drill pipe

Patent · 18 May 2021

OSTI ID:1823967

Leslie, James C.; Leslie, II, James C.; Heard, James; Truong, Liem V.; Josephson, Marvin

A metal to composite tube joint including an elongated interior fitting constructed with an exterior barrel, reduced in exterior diameter to form a distally facing annular shoulder and then projecting still further distally to form an interior sleeve having a radially outwardly facing bonding surface. An elongated metal outer sleeve formed proximally with a collar constructed for receipt over the barrel and increased in interior diameter and projecting distally to form an exterior sleeve having a radially inwardly facing bonding surface cooperating with the first bonding surface to form an annulus receiving an extremity of a composite tube and a bond bonding the extremity of the tube to the bonding surfaces.

• Research Organization: Advanced Composite Products & Technology, Inc., Huntington Beach, CA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC26-99FT40262
• Assignee: Advanced Composite Products & Technology, Inc. (Huntington Beach, CA)
• Patent Number(s): 11,009,156
• Application Number: 15/599,369
• OSTI ID: 1823967
• Country of Publication: United States
• Language: English