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Patent Searching and Data


Title:
WEDGE THREADS WITH A SOLID LUBRICANT COATING
Document Type and Number:
WIPO Patent Application WO/2011/046909
Kind Code:
A3
Abstract:
A tubular connection includes a pin member having external wedge threads configured to engage a box member having corresponding internal wedge threads, and a solid lubricant coating applied on at least one of the internal and external wedge threads wherein the solid lubricant coating comprises a first uniform layer of a dry corrosion inhibiting coating made of an epoxy resin containing particles of zinc and a second uniform layer of a dry lubricant coating covering the first uniform layer.

Inventors:
MALLIS, David, Llewellyn (10 Lucky Leaf Court, The Woodlands, TX, 77381, US)
READE-ROMERO, Andrea, L. (38 Split Rock Rd, The Woodlands, TX, 77381, US)
Application Number:
US2010/052275
Publication Date:
July 28, 2011
Filing Date:
October 12, 2010
Export Citation:
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Assignee:
HYDRILL COMPANY (2200 West Loop South, Suite 800Houston, TX, 77027, US)
MALLIS, David, Llewellyn (10 Lucky Leaf Court, The Woodlands, TX, 77381, US)
READE-ROMERO, Andrea, L. (38 Split Rock Rd, The Woodlands, TX, 77381, US)
International Classes:
F16L15/00
Foreign References:
JP2008215473A2008-09-18
JP2002543345A2002-12-17
JP2002310345A2002-10-23
Other References:
See also references of EP 2488777A4
Attorney, Agent or Firm:
BERGMAN, Jeffrey, S. et al. (Osha . Liang LLP, 909 Fannin Street Suite 350, Houston TX, 77010, US)
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