Well clean out tool
Patent
·
OSTI ID:6558007
This patent describes a downhole well clean out tool for removing sand and debris from a well bore. It comprises: an elongate string connectable to a source of reciprocating and rotating motion located at the surface.
- Assignee:
- NOV; NOV-90-029095; EDB-90-152724
- Patent Number(s):
- A; US 4940092
- Application Number:
- PPN: US s 7-383005
- OSTI ID:
- 6558007
- Country of Publication:
- United States
- Language:
- English
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