Above packer perforate, test and sample tool and method of use
Patent
·
OSTI ID:6916012
This patent describes a downhole tool for testing fluid from a formation reservoir in a well. It comprises: a packer connectable to a drill string and sealingly engageable with a well bore such that a first well annulus portion is defined above the packer and a second well annulus portion is defined therebelow; a housing portion disposed above the packer and defining a sampling chamber therein. The sampling chamber having no communication with the tool string; valve disposed below the packer and having a valve portion therein in communication with the second well annulus portion; passageway means for providing communication between the sample chamber and the valve; and an operating mandrel slidably disposed in the housing portion, packer and valve for providing fluid communication between the sampling chamber and the port in the valve when in an open position.
- Assignee:
- Halliburton Co., Duncan, OK
- Patent Number(s):
- A; US 4883123
- Application Number:
- PPN: US 7-276491--A
- OSTI ID:
- 6916012
- Country of Publication:
- United States
- Language:
- English
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