Apparatus for sealing and isolating pipelines

Details Apparatus for sealing and isolating pipelines Apparatus for sealing and isolating pipelines

2006-06-08

2008-11-18

Lagman, Frederick L (Department: 3672)

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Repair, replacement, or improvement

C138S089000, C138S093000, C138S097000

Reexamination Certificate

active

07452161

ABSTRACT:
A pipeline tool for use within a pipeline comprises a tool body with an internal flow bore, a swellable component disposed about the tool body, and a temporary seal disposed internally of the flow bore. The pipeline tool may further comprise a tracking device attached to the tool body, wherein the tracking device comprises a mechanical fixture, or an emitter that emits a signal that can be tracked.

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Foreign communication related to a counterpart application dated Oct. 30, 2007.
“SmartPlug(TM) Offshore,” PSI, http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/418ABEE630A5A615C125GF0A0048CEB9?OpenDocument&me . . . , Jun. 8, 2006, 2 pgs.
“SmartPlug(TM) Onshore,” PSI, http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/FCA5F5F74B15A4FDC1257053002906CE?OpenDocument&men . . . , Jun. 8, 2006, 2 pgs.
“Compact Plug,” PSI, http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/6BAC1CCE7698E8F7C1256F0B00283992?OpenDocument&men . . . , Jun. 8, 2006, 2 pgs.
“Friction Pigs,” PSI, http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/0891643872DC2FEAC1256F0B0028903E?OpenDocument&menu . . . , Jun. 8, 2006, 2 pgs.
“Special Plugs,” PSI, http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/E2DD417A2BF6048FC1256F0B0028D70D?OpenDocument&men . . . , Jun. 8, 2006, 2 pgs.
“PSI SmartPlug(TM) Offshore” brochure obtained from http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/C743E43815481F02C1257021003E8EC2?Ope . . . , Jun. 8, 2006, 7 pgs.
“PSI SmartPlug(TM) Onshore” brochure obtained from http://www.plugging.com/rogaland/stavanger/plugging.nsf/id/C743E43815481F02C1257021003E8EC2?Ope . . . , Jun. 8, 2006, 7 pgs.
Patent application entitled “Methods for Sealing and Isolating Pipelines,” by Rune Freyer, et al., filed Jun. 8, 2006, as U.S. Appl. No. 11/423,097.

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