Invention Grant
- Patent Title: Differential actuating system for downhole tools
- Patent Title (中): 井下工具的差速驱动系统
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Application No.: US658479Application Date: 1991-02-20
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Publication No.: US5101907APublication Date: 1992-04-07
- Inventor: Roger L. Schultz , Kevin R. Manke , Neal G. Skinner
- Applicant: Roger L. Schultz , Kevin R. Manke , Neal G. Skinner
- Applicant Address: OK Duncan
- Assignee: Halliburton Company
- Current Assignee: Halliburton Company
- Current Assignee Address: OK Duncan
- Main IPC: E21B23/04
- IPC: E21B23/04 ; E21B34/06 ; E21B34/10 ; E21B41/00
Abstract:
A differential pressure actuating system for downhole tools provides endless operation by the use of the differential pressure between two isolated zones of a well as a power source for the tool. That differential pressure is applied across a power transfer element to operate the downhole tool.
Public/Granted literature
- US4647057A Steering system for vehicles Public/Granted day:1987-03-03
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