US Patent No: 4,445,265

Number of patents in Portfolio can not be more than 2000

Shrink grip drill pipe fabrication method

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Abstract

A drill pipe is fabricated by forming a tubular tool joint with a pipe connection formation at one end. The other end of the tool joint is connected to one end of a tubular adapter by a threaded shrink grip connection. The other end of the adapter is connected to a first end of a tubular pipe body by welding. A second tool joint is similarly mounted on the second end of the pipe body by means of a second adapter.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SMITH INTERNATIONAL, INC.HOUSTON, TX951

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Olson, Wallace F Eufaula, OK 1 12
Rodgers, Ned Midland, TX 1 12

Cited Art

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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
DEUTSCHE BANK TRUST COMPANY AMERICAS (2)
5,853,199 Fatigue resistant drill pipe 29 1995
RE37167 Fatigue resistant drill pipe 3 1999
 
ALLIED CONSTRUCTION PRODUCTS, L.L.C. (1)
7,836,976 Underground piercing tool 3 2007
 
BAKER HUGHES INCORPORATED (1)
5,309,621 Method of manufacturing a wellbore tubular member by shrink fitting telescoping members 90 1992
 
HYDRIL USA MANUFACTURING LLC (1)
7,562,911 Wedge thread with sealing metal 0 2006
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
6,632,118 Method of connecting workpieces 0 2001
 
LONGYEAR TM, INC. (1)
6,109,620 Shank adapter 17 1998
 
RTI INTERNATIONAL METALS, INC. (1)
6,305,723 Tool joint and drill pipe made therefrom 13 1998
 
TOYOTA JIDOSHA KABUSHIKI KAISHA (1)
7,219,933 Hollow product, fluid processing system and joining method of hollow members 0 2001
 
UNITED STATES STEEL CORPORATION (1)
6,817,633 Tubular members and threaded connections for casing drilling and method 56 2002
 
WEATHERFORD/LAMB, INC. (1)
7,100,697 Method and apparatus for reforming tubular connections 0 2002
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
7,076,904 Detachable gun barrel assembly 5 2003