The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 28, 2017

Filed:

Jun. 28, 2012
Applicants:

Hao-ching Kuo, Friendswood, TX (US);

Ashish Kumar, Uttar Pradesh, IN;

Inventors:

Hao-Ching Kuo, Friendswood, TX (US);

Ashish Kumar, Uttar Pradesh, IN;

Assignee:

FMC Technologies, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/043 (2006.01); E21B 33/038 (2006.01); E21B 33/12 (2006.01); F16J 15/08 (2006.01);
U.S. Cl.
CPC ...
E21B 33/043 (2013.01); E21B 33/038 (2013.01); E21B 33/1212 (2013.01); F16J 15/08 (2013.01); F16J 15/0806 (2013.01); F16J 15/0887 (2013.01);
Abstract

Generally, the present disclosure is directed to metal-to-metal sealing systems and methods for use with the various pressure-retaining components, and in particular to pressure-retaining components that may be used in mudline suspension systems. In one illustrative embodiment, a system is disclosed that includes a first pressure-retaining component having an outside face, the outside face including first and second metal sealing surfaces proximate an end of the first pressure-retaining component, wherein the second metal sealing surface is positioned along the outside face between the first metal sealing surface and the end of the first pressure-retaining component. The system further includes, among other things, a second pressure-retaining component having an inside face, the inside face of the second pressure-retaining component including a third metal sealing surface that is adapted to sealingly engage at least the first metal sealing surface.


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