Differential actuating system for downhole tools
Patent
·
OSTI ID:6039114
A downhole tool apparatus is described, comprising: a housing having a power chamber defined therein, and having power passage means defined in said housing for providing fluid pressure communication between said power chamber and first and second zones of a well; and pressure transfer control means for selectively applying a pressure differential between said first and second zones of said well across said power chamber to operate said downhole tool apparatus.
- Assignee:
- Halliburton Co., Duncan, OK (United States)
- Patent Number(s):
- US 5238070; A
- Application Number:
- PPN: US 7-838373
- OSTI ID:
- 6039114
- Resource Relation:
- Patent File Date: 19 Feb 1992
- Country of Publication:
- United States
- Language:
- English
Similar Records
Rechargeable hydraulic power source for actuating downhole tool
Differential actuating system for downhole tools
Low pressure responsive downhole tool with floating shoe retarding means
Patent
·
Tue Jul 07 00:00:00 EDT 1992
·
OSTI ID:6039114
Differential actuating system for downhole tools
Patent
·
Tue Apr 07 00:00:00 EDT 1992
·
OSTI ID:6039114
Low pressure responsive downhole tool with floating shoe retarding means
Patent
·
Tue May 07 00:00:00 EDT 1985
·
OSTI ID:6039114