Invention Grant
- Patent Title: System and method for heat treating a tubular
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Application No.: US13832404Application Date: 2013-03-15
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Publication No.: US10034330B2Publication Date: 2018-07-24
- Inventor: Kevin Joseph Wyble , Daniel Lyle Hannahs , Daryl Stevenson , Shawn Lee Cunningham
- Applicant: NATIONAL OILWELL VARCO, L.P.
- Applicant Address: US TX Houston
- Assignee: NATIONAL OILWELL VARCO, L.P.
- Current Assignee: NATIONAL OILWELL VARCO, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: H05B6/36
- IPC: H05B6/36 ; H05B6/06 ; H05B6/10 ; H05B6/38

Abstract:
A system and method for heat treating a tubular. In one embodiment, a system for heat treating a tubular includes a first coil and a second coil. The first coil is configured to circumferentially surround the tubular and induce, from without the tubular, current flow in a cylindrical portion of the tubular adjacent the first coil. The second coil is configured to be inserted into a bore of the tubular and induce, from within the tubular, in conjunction with the first coil, current flow in the cylindrical portion of the tubular.
Public/Granted literature
- US20140263284A1 System And Method For Heat Treating A Tubular Public/Granted day:2014-09-18
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