Geohydrologic evaluation of a site for disposal of radioactive wastes by grout injection and hydraulic fracturing at Holifield National Laboratory (formerly Oak Ridge National Laboratory), Oak Ridge, Tennessee

1976 ◽  
Author(s):  
Ren Jen Sun
1982 ◽  
Vol 15 ◽  
Author(s):  
C. Stephen Haase

ABSTRACTAt Oak Ridge National Laboratory the Pumpkin Valley Shale is used as a host formation for hydraulic fracturing waste disposal. Determination of the relationships between the distribution of different lithologies and porosity-permeability trends within this host formation allows these properties, important to hydraulic fracturing operations, to be related to measurable and mappable geological and petrological parameters. It also permits extrapolation of such patterns to little-studied portions of the Pumpkin Valley Shale. Such knowledge better allows for the satisfactory operation and assessment of the hydraulic fracturing at Oak Ridge National Laboratory.


1984 ◽  
Vol 44 ◽  
Author(s):  
H. O. Weeren ◽  
L. C. Lasher ◽  
E. W. McDaniel

AbstractIn 1943, six storage tanks were built at the Clinton Laboratories [later to become Oak Ridge National Laboratory (ORNL)] to contain wastes generated by wartime research and development operations. During the following years, these tanks became an integral part of the ORNL waste system and accumulated ∼1.5 × 106 L (400,000 gal) of sludge containing radioactive wastes. Recently, over a period of ∼18 months, these tanks were sluiced, the radioactive sludge resuspended, and the resuspended slurry pumped to the ORNL Hydrofracture Facility for underground disposal.In this paper, a summary of the development work is given, and the process design and constraints are described. The operating difficulties encountered and overcome included grinder blade erosion, malfunctioning instruments, pump suction plugging, and slurry settling. About 90% of the settled sludge (containing ∼715,000 Ci) was removed from the system.


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