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:
Jan. 01, 2019
Filed:
May. 27, 2016
Weatherford Technology Holdings, Llc, Houston, TX (US);
Mohammed Aleemul Haq, Houston, TX (US);
Richard J. Segura, Cypress, TX (US);
David W. Teale, Spring, TX (US);
Weatherford Technology Holdings, LLC, Houston, TX (US);
Abstract
A method of cutting a tubular includes disposing a rotatable cutter assembly in the tubular, the cutter assembly including a blade having a cutting portion; engaging the tubular using a trailing cutting structure of the cutting portion; engaging the tubular using an intermediate cutting structure of the cutting portion; forming a window in the tubular; and longitudinally extending the window using a leading cutting structure of the cutting portion. A rotatable blade includes a blade body extendable from a retracted position; and a cutting portion on the blade body having: a trailing cutting structure configured to engage the tubular, an intermediate cutting structure configured to engage the tubular while the trailing cutting structure engages the tubular, a leading cutting structure configured to engage an exposed wall thickness of the tubular; and an integral stabilizer disposed on at least a portion of an outer surface of the blade body.