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.

Date of Patent:
Jan. 30, 2024

Filed:

Nov. 22, 2022
Applicant:

Dynasty Energy Services, Llc, Lafayette, LA (US);

Inventors:

David J. Ruttley, Alexandria, LA (US);

Gerald J. Cronley, Gretna, LA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01);
U.S. Cl.
CPC ...
E21B 29/005 (2013.01);
Abstract

A section mill for milling wellbore tubulars has a tubular mill body, a pivotally mounted mill carrier having a beveled interior profile and a cutter blade on its exterior profile, and a translatable piston having an elongated driveshaft with a radially extending nose cone with a compression spring positioned around the elongated driveshaft. A hook on the elongated driveshaft configured to mate with a corresponding hook catch in the mill carriers maintains the mill carrier in a retracted position. The nose cone of the translatable piston moves upward and downward along the beveled interior profile of the mill carrier in response to fluid pressure. Rotation of the mill body rotates the attached mill carrier and cutter blade for milling.


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