Invention Grant
- Patent Title: Device for centering a well casing
- Patent Title (中): 用于定心井套管的装置
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Application No.: US12142736Application Date: 2008-06-19
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Publication No.: US08167034B2Publication Date: 2012-05-01
- Inventor: Mynor J. Castro
- Applicant: Mynor J. Castro
- Applicant Address: US AZ Chandler
- Assignee: Offshore Manufacturing & Design, LLC
- Current Assignee: Offshore Manufacturing & Design, LLC
- Current Assignee Address: US AZ Chandler
- Agency: Perkins Coie LLP
- Main IPC: E21B17/10
- IPC: E21B17/10
Abstract:
A device (100, 200) is for centering a drill casing (7) within a wellbore (3). The device (100, 200) includes a generally tubular body (9) having an outer surface (11) facing the wellbore (3). A plurality of protrusions (4) is disposed on the outer surface (11) along a line (6). A gap region between the protrusions (4) along the line (4).
Public/Granted literature
- US20090314486A1 Device for Centering a Well Casing Public/Granted day:2009-12-24
Information query
