Invention Grant
- Patent Title: Delayed fin deployment wiper plug
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Application No.: US16033196Application Date: 2018-07-12
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Publication No.: US10738568B2Publication Date: 2020-08-11
- Inventor: James G. Nanney , Matthew L. White
- Applicant: ConocoPhillips Company
- Applicant Address: US TX Houston
- Assignee: ConocoPhillips Company
- Current Assignee: ConocoPhillips Company
- Current Assignee Address: US TX Houston
- Agency: Boulware & Valoir
- Main IPC: E21B33/16
- IPC: E21B33/16 ; E21B37/04 ; E21B33/14

Abstract:
A delayed fin deployment wiper plug has a tubular body, which has a closed top and a piston therein. The piston is supported at one or more locations inside the tubular body by one or more sets of shear pins or spring clips or some equivalent device. The piston is connected to or abutted to a sleeve that covers an upper portion of the tubular body, containing therein one or more sets of deployable fins that are not exposed for use unless the piston is activated and raises the sleeve.
Public/Granted literature
- US20190017348A1 DELAYED FIN DEPLOYMENT WIPER PLUG Public/Granted day:2019-01-17
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