Borehole Drilling Method
piston core
http://resource.geosciml.org/classifier/cgi/boreholedrillingmethod/piston_core
| notation | 4.2.6 |  |
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| definition | A drilling method that uses a piston to drive the core barrel. Produces high quality long cores. | |
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| source | This vocabulary | |
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| type |
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| broader |
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| in scheme | boreholedrillingmethod | |||||
| is primary topic of | piston core | |||||