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:
May. 19, 2009
Filed:
Sep. 20, 2007
John A. Barton, Arlington, TX (US);
Mark Burris, Iola, KS (US);
Donald R. Hibler, Jr., Bates City, MO (US);
Daniel O'halloran, Oak Grove, MO (US);
Joel Wicoff, Iola, KS (US);
John A. Barton, Arlington, TX (US);
Mark Burris, Iola, KS (US);
Donald R. Hibler, Jr., Bates City, MO (US);
Daniel O'Halloran, Oak Grove, MO (US);
Joel Wicoff, Iola, KS (US);
Fike Corporation, Blue Springs, MO (US);
Abstract
An oil well completion tool having a tubular assembly defining an elongated main passage is adapted to be connected to a multiple-section tubing string within an oil well casing. A severable plug is mounted in the tubular assembly in normal blocking relationship to the passage. A movable shear cylinder unit has a plug-severing edge operable to sever an entire central segment of the plug from a remaining peripheral portion thereof. Separate hinge structure has an elongated U-shaped leg portion connected to the central segment of the plug. The leg portion of the hinge structure, which undergoes elongation, is operable to retain the severed central segment of the plug in the main passage while allowing the central segment of the plug to bodily shift independent of and in a direction away from the peripheral portion of the plug. The severed central segment is received in a recess therefor in the tubular assembly wall structure in order to prevent interference of the severed central plug segment with the main passage.