Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Reexamination Certificate
2006-04-11
2006-04-11
Lee, Jong-Suk (James) (Department: 3673)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
C405S162000, C405S171000, C405S184400
Reexamination Certificate
active
07025533
ABSTRACT:
Various apparatuses and methods to traverse an undersea topographic feature (12) with a subsea pipeline (18) are disclosed. The apparatuses and methods of the present invention accomplish this task through the use of a concentrated buoyancy scheme (10). The invention disclosed can allow more efficient and cost effective traversal of hostile terrain for subsea pipelines at great depths while minimizing the risk of rupturing the pipeline (18) or negatively impacting the surrounding undersea environment.
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Walid Soliman, et al., “Offshore Technology Challenges—The Sigsbee Escarpment,” KBR Offshore, Issue 7, Jun. 2003, Houston, TX.
Gunnar Paulsen, et al., “Submerged Floating Pipeline in Deep Water,” International Offshore & Polar Engineering Conference, May 28, 2000, Seattle WA.
Joshi Khamir Girish
Lamison Craig Wonder
Mungall John Christian Hartley
Kellogg Brown & Root, Inc.
Lee Jong-Suk (James)
Lundeen & Dickenson LLP
Misley Bradley A.
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