Standard Guide for Use of Dual-Wall Reverse-Circulation Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices

Informácie o norme:

Označenie normy: ASTM D5781-95(2006)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.7.2006
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

Anotácia textu normy ASTM D5781-95(2006) :

Keywords:
down-the-hole hammer (DTH) drilling, drilling, dual-wall reverse-circulation drilling method(s), geoenvironmental exploration, groundwater, percussion-hammer drilling method, triple-wall percussion-hammer drilling method, vadose zone: Down-the-hole hammer (DTH) drilling, Dual-wall reverse-circulation drilling, Geoenvironmental applications/exploration, Geological investigations, Ground water, Installation--ground water/subsurface devices/applications, Percussion-hammer drilling method