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. 10, 2015

Filed:

Jul. 26, 2011
Applicants:

Antonio C. F. Critsinelis, Kingwood, TX (US);

Sid A. Mebarkia, Sugar Land, TX (US);

Michael Quinney, Bellville, TX (US);

Miguel Ruiz, Houston, TX (US);

Inventors:

Antonio C. F. Critsinelis, Kingwood, TX (US);

Sid A. Mebarkia, Sugar Land, TX (US);

Michael Quinney, Bellville, TX (US);

Miguel Ruiz, Houston, TX (US);

Assignee:

Chevron U.S.A. Inc., San Ramon, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 34/04 (2006.01); E21B 17/20 (2006.01);
U.S. Cl.
CPC ...
E21B 17/01 (2013.01); E21B 17/203 (2013.01);
Abstract

An apparatus is disclosed which provides fluid communication between the inner bore and the annular space in a pipe-in-pipe system. Other embodiments disclose an apparatus which provides fluid communication between adjacent segments of the annular space, between the inner bore or the annular space and an external source in a pipe-in-pipe type system. Methods and systems are disclosed utilizing the various apparatus embodiments to transport well fluids in an offshore or onshore hydrocarbon production operation.


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