- 专利标题： Drilling rig stair tower with integrated utility lines and cable tray
-
申请号： US15624333申请日： 2017-06-15
-
公开(公告)号： US10662718B2公开(公告)日： 2020-05-26
- 发明人: Ashish Gupta , Derek Patterson , Ryan Hause , Padira Reddy
- 申请人： Nabors Drilling Technologies USA, Inc.
- 申请人地址： US TX Houston
- 专利权人： NABORS DRILLING TECHNOLOGIES USA, INC.
- 当前专利权人： NABORS DRILLING TECHNOLOGIES USA, INC.
- 当前专利权人地址： US TX Houston
- 代理商 Adolph Locklar
- 主分类号： E21B15/00
- IPC分类号： E21B15/00 ; E04F11/04 ; F16L3/26
摘要：
A stair tower for a drilling rig is disclosed, the stair tower including a frame, one or more stair flights and platforms positioned within and mechanically coupled to the frame, and a cable tray pivotably coupled to the frame.