Invention Grant
- Patent Title: Packer cup for sealing in multiple wellbore sizes eccentrically
- Patent Title (中): 封隔器杯密封多个井筒尺寸偏心
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Application No.: US14052505Application Date: 2013-10-11
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Publication No.: US09140095B2Publication Date: 2015-09-22
- Inventor: Paul Northam , Mark C. Glaser
- Applicant: Weatherford/Lamb, Inc.
- 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, L.L.P.
- Main IPC: E21B33/126
- IPC: E21B33/126 ; E21B33/12

Abstract:
The present invention generally relates to a packer for creating a seal in an annular area. In one aspect, a packer cup for use in a wellbore is provided. The packer cup includes a base and a first seal segment having a first end and a second end. The first end of the first seal segment is attached to the base. The packer cup further includes a second seal segment that is spaced apart from the base. The second seal segment is attached to the second end of the first seal segment, wherein each seal segment is configured to move from a retracted shape to an expanded shape upon activation of the respective seal segment. In another aspect, a method for creating a seal between a tubular and a wellbore is provided. In a further aspect, a packer is provided.
Public/Granted literature
- US20140102727A1 PACKER CUP FOR SEALING IN MULTIPLE WELLBORE SIZES ECCENTRICALLY Public/Granted day:2014-04-17
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