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.
Patent No.:
Date of Patent:
Dec. 01, 2009
Filed:
Sep. 08, 2007
Rune Freyer, Stavanger, NO;
Christopher J. Chalker, Aberdeen, GB;
Rune Freyer, Stavanger, NO;
Christopher J. Chalker, Aberdeen, GB;
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A method and apparatus for perforating and isolating perforations in a wellbore. A perforating and isolating apparatus includes at least one packer having a swellable seal material, and a perforating assembly attached to the packer. A method of perforating and isolating perforations in a subterranean wellbore includes the steps of: positioning an apparatus in the wellbore, the apparatus including at least one packer having a swellable seal material, and a perforating assembly attached to the packer; isolating at least one existing perforation by swelling the seal material; and forming at least one new perforation by actuating the perforating assembly.