Invention Grant
- Patent Title: Apparatus and methods for connecting tubulars
- Patent Title (中): 用于连接管的装置和方法
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Application No.: US10850354Application Date: 2004-05-20
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Publication No.: US07707914B2Publication Date: 2010-05-04
- Inventor: Bernd-Georg Pietras , Martin Liess
- Applicant: Bernd-Georg Pietras , Martin Liess
- Applicant Address: US TX Houston
- Assignee: Weatherford/Lamb, Inc.
- Current Assignee: Weatherford/Lamb, Inc.
- Current Assignee Address: US TX Houston
- Agency: Patterson & Sheridan, LLP
- Main IPC: B25B17/00
- IPC: B25B17/00 ; B25B13/25

Abstract:
A method and apparatus for handling tubulars is provided. In one aspect, the present invention provides a spinner having a first arm having a first roller and a second arm having a second roller, the first arm and the second arm simultaneously adjustable to retain the tubular. The apparatus also includes a third roller capable of urging the tubular against the first and second rollers, wherein at least one of the first, second, and third rollers is actuatable to rotate the tubular. In one embodiment, the spinner further comprises a fluid operated cylinder for adjusting the first arm and the second arm. The arms are adjusted by actuating the cylinder extend or retract the first arm and the second arm.
Public/Granted literature
- US20050076744A1 Apparatus and methods for connecting tubulars Public/Granted day:2005-04-14
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