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:
Jun. 29, 2021
Filed:
Apr. 28, 2020
Weatherford Netherlands, B.v., Den Helder, NL;
Marcel Budde, Vlaardingen, NL;
Forrest Parker, Manvel, TX (US);
Douglas Farley, Missouri City, TX (US);
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Abstract
A top latch-in plug includes a housing having a bore and a transitionable seal. The transitionable seal seals the bore of the housing when in a first configuration, and the transitionable seal unseals the bore when in a second configuration. The transitionable seal is triggerable to transition from the first configuration to the second configuration. A casing floatation system includes a casing having a pre-load collar and a landing collar; and a lower bottom latch-in plug. The lower bottom latch in plug includes a catch mechanism compatible with the pre-load collar; and a landing mechanism compatible with the landing collar.