from the GNU version of the Collaborative International Dictionary of English
- n. A shovel for sludging out drains, etc.
- n. A bucket for removing mud from a bored hole; a sand pump.
from The Century Dictionary and Cyclopedia
- n. A cylinder, with a valve at the end, for removing the sludge from a bore-hole; a sand-pump, shell, or shell-pump.
Sorry, no etymologies found.
This method is not commonly used with large machines, although the small scale version, known as the sludger technique, has been extensively used in some areas.
Scott, the outhouse archaeologist, says collectors remind him of the "daring forty-niners of the gold rush," while Dave-a "sludger" who excavates centuries-old treasures from New York's vast acreage of landfill-compares himself to Crocodile Dundee.
A sinking method that has been used quite successfully in India and Pakistan is called the "sludger" method.
It will, however, usually be faster and require less work than sludger.
Section three: Drilled wellsChapter 10: Introduction to drilled wellsChapter 11: Drilling and casing techniquesChapter 12: Construction: hand rotary and hand percussion methodsChapter 13: Construction: sludger methodChapter 14: Construction: driven and jettedChapter 15: The bottom section
Hand percussion and fluid (sludger) · Materials required
· sludger - This is a specific adaptation of a percussion technique which uses a drilling fluid but does not require a pump during drilling.
· jetted - This technique will only work in the same places that the sludger method will and it requires more equipment and expertise.