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:
Aug. 09, 2005
Filed:
Feb. 28, 2003
Joseph E. Hess, Anchorage, AK (US);
Neil Hepburn, Edmonton, CA;
Benji Smith, Spring, TX (US);
John J. Guerrero, Houston, TX (US);
Ian W. Thackwray, Perth, AU;
Joseph E. Hess, Anchorage, AK (US);
Neil Hepburn, Edmonton, CA;
Benji Smith, Spring, TX (US);
John J. Guerrero, Houston, TX (US);
Ian W. Thackwray, Perth, AU;
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Subsea controlled milling apparatus and methods. In a described embodiment, a method of controlling displacement of a cutting device conveyed on a tubular string in a subterranean well includes the steps of: interconnecting an apparatus in the tubular string, the apparatus including an axial advancement device and an anchoring device; actuating the anchoring device to anchor the apparatus in the well; applying a pressure differential to the advancement device, thereby displacing the cutting device relative to the apparatus; and operating the cutting device to cut a structure in the well.