Invention Grant
- Patent Title: Thick wall shouldered launcher
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Application No.: US14201587Application Date: 2014-03-07
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Publication No.: US10024144B2Publication Date: 2018-07-17
- Inventor: Darren Richard Santeler
- Applicant: Weatherford Technology Holdings, LLC
- Applicant Address: US TX Houston
- Assignee: Weatherford Technology Holdings, LLC
- Current Assignee: Weatherford Technology Holdings, LLC
- Current Assignee Address: US TX Houston
- Agency: Patterson & Sheridan, LLP
- Main IPC: E21B17/20
- IPC: E21B17/20 ; E21B43/10

Abstract:
An expandable tubular system that includes a launcher section coupled to a tubular string and that houses an expansion device. A shoulder section that is formed at a transition point between the launcher section and the tubular string has a wall thickness greater than the wall thicknesses of the tubular string and the launcher section. The shoulder section has an inner diameter less than inner diameters of the launcher section and the tubular string. The shoulder section is arranged to increase the force required to begin expansion of the tubular string and increase the contact area between the inner surface of the shoulder section the expansion device when supporting the weight of the tubular string.
Public/Granted literature
- US20140262345A1 THICK WALL SHOULDERED LAUNCHER Public/Granted day:2014-09-18
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