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Title:
WEDGE THREADS WITH A SOLID LUBRICANT COATING
Document Type and Number:
WIPO Patent Application WO/2011/046909
Kind Code:
A8
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.

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Inventors:
MALLIS DAVID LLEWELLYN (US)
READE-ROMERO ANDREA L (US)
Application Number:
PCT/US2010/052275
Publication Date:
June 28, 2012
Filing Date:
October 12, 2010
Export Citation:
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Assignee:
HYDRIL CO (US)
MALLIS DAVID LLEWELLYN (US)
READE-ROMERO ANDREA L (US)
International Classes:
F16L15/00
Attorney, Agent or Firm:
BERGMAN, Jeffrey, S. et al. (909 Fannin Street Suite 350, Houston TX, US)
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