Invention Grant
US08701787B2 Metal expandable element back-up ring for high pressure/high temperature packer
有权
用于高压/高温封隔器的金属可膨胀元件支撑环
- Patent Title: Metal expandable element back-up ring for high pressure/high temperature packer
- Patent Title (中): 用于高压/高温封隔器的金属可膨胀元件支撑环
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Application No.: US13036564Application Date: 2011-02-28
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Publication No.: US08701787B2Publication Date: 2014-04-22
- Inventor: Piro Shkurti , John C. Wolf
- Applicant: Piro Shkurti , John C. Wolf
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Jeffery R. Peterson; Brandon S. Clark
- Main IPC: E21B33/12
- IPC: E21B33/12
Abstract:
An expandable backup ring includes an outer surface, an inner surface having a plurality of protrusions projecting radially inwardly, and a plurality of segments, the segments defined by a plurality of outer surface cuts. The plurality of outer surface cuts extends radially inwardly from the outer surface and partially into each of the plurality of protrusions.
Public/Granted literature
- US20120217025A1 METAL EXPANDABLE ELEMENT BACK-UP RING FOR HIGH PRESSURE/HIGH TEMPERATURE PACKER Public/Granted day:2012-08-30
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