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:
Apr. 21, 2020
Filed:
Nov. 27, 2017
Christopher A. Branton, Bossier City, LA (US);
Christopher A. Branton, Bossier City, LA (US);
Other;
Abstract
Fluid-sealing downhole bridge plugs may include a pair of sealing rings which prevent flow of well fluid through the interface between a mandrel shaft of a mandrel and expansion elements of the downhole bridge plug. An illustrative embodiment of the fluid-sealing downhole bridge plugs includes a mandrel. At least one sealing element may be provided on the mandrel. A first backup ring may be provided on the mandrel on a first side of the at least one sealing element. A second backup ring may be provided on the mandrel on a second side of the at least one sealing element. A first gage ring may be provided on the mandrel in engaging relationship to the first backup ring. A second gage ring may be provided on the mandrel in engaging relationship to the second backup ring. A first ring space may be provided between the at least one sealing element and the first backup ring. A first seal ring may be provided in the first ring space. A second ring space may be provided between the at least one sealing element and the second backup ring. A second seal ring may be provided in the second ring space.