Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Borehole UE-25 ONC No. 1 drilling at Yucca Mountain, Nevada

Technical Report ·
OSTI ID:405212
 [1]
  1. Nye County Nuclear Waste Repository Project Office, Mercury, NV (United States)

Nye County drilled their first oversight drill hole at Yucca Mountain to demonstrate an alternative to traditional coring by utilizing Dual Wall Reverse Circulation technology. This paper summarizes the results of drilling borehole UE-25 ONC No. 1 which was designed to investigate liquid/vapor movement, pneumatic responses, fracture/matrix flow processes, obtain stratigraphic and structural data across the Bow Ridge fault zone in a cost effective and efficient manner.

Research Organization:
American Society of Civil Engineers, New York, NY (United States); American Nuclear Society, La Grange Park, IL (United States)
OSTI ID:
405212
Report Number(s):
CONF-960421--
Country of Publication:
United States
Language:
English