Viscous-sludge sample collector
A vertical core sample collection system for viscous sludge is disclosed. A sample tube's upper end has a flange and is attached to a piston. The tube and piston are located in the upper end of a bore in a housing. The bore's lower end leads outside the housing and has an inwardly extending rim. Compressed gas, from a storage cylinder, is quickly introduced into the bore's upper end to rapidly accelerate the piston and tube down the bore. The lower end of the tube has a high sludge entering velocity to obtain a full-length sludge sample without disturbing strata detail. The tube's downward motion is stopped when its upper end flange impacts against the bore's lower end inwardly extending rim.
- DOE Contract Number:
- AC06-77RL01030
- Assignee:
- Dept. of Energy
- Patent Number(s):
- None
- OSTI ID:
- 5259434
- Country of Publication:
- United States
- Language:
- English
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