Invention Grant
- Patent Title: Multi-path hoisting systems
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Application No.: US14711954Application Date: 2015-05-14
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Publication No.: US09963326B2Publication Date: 2018-05-08
- Inventor: Joe R. Berry
- Applicant: Cameron International Corporation
- Applicant Address: US TX Houston
- Assignee: CAMERON INTERNATIONAL CORPORATION
- Current Assignee: CAMERON INTERNATIONAL CORPORATION
- Current Assignee Address: US TX Houston
- Agent Helene Raybaud
- Main IPC: B66D1/26
- IPC: B66D1/26 ; E21B19/00 ; B66D1/52 ; E21B19/09

Abstract:
Various hoisting systems using multiple hoisting lines in shared block-and-tackle arrangements are provided. In one embodiment, an apparatus includes a hoisting system with multiple hoisting lines wound on a rotatable drum of a drawworks. The hoisting lines are continuous wire ropes that are reeved over a shared crown block and around a shared traveling block in a block-and-tackle arrangement to provide a mechanical advantage. Additional systems, devices, and methods are also disclosed.
Public/Granted literature
- US20160185577A1 MULTI-PATH HOISTING SYSTEMS Public/Granted day:2016-06-30
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