A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
In Situ Examination of Hydraulic Fractures
Hydraulic fracture experiments were performed in Rainier Mesa at ERDA's Nevada Test Site as part of a nuclear containment study. Three fracture experiments were performed in a 4-in dia uncased hole at a nominal depth of 1400 ft in a uniform ash-fall tuff formation. Two experiments were conducted in one hole with different colored grout. The results showed the strong influence of in situ stress on fracture direction and orientation. The third experiment used a water gel frac fluid which was designed to place 20-40 sand, injected in three stages with different concentration and color, uniformly in the fracture. The resulting fracture system was very complex. The effects of faults and bedding planes on blocking fracture growth and changing fracture orientation were pronounced. (ERA citation 02:058394)
In Situ Examination of Hydraulic Fractures
Hydraulic fracture experiments were performed in Rainier Mesa at ERDA's Nevada Test Site as part of a nuclear containment study. Three fracture experiments were performed in a 4-in dia uncased hole at a nominal depth of 1400 ft in a uniform ash-fall tuff formation. Two experiments were conducted in one hole with different colored grout. The results showed the strong influence of in situ stress on fracture direction and orientation. The third experiment used a water gel frac fluid which was designed to place 20-40 sand, injected in three stages with different concentration and color, uniformly in the fracture. The resulting fracture system was very complex. The effects of faults and bedding planes on blocking fracture growth and changing fracture orientation were pronounced. (ERA citation 02:058394)
In Situ Examination of Hydraulic Fractures
L. D. Tyler (author) / W. C. Vollendorf (author) / D. A. Northrop (author)
1977
12 pages
Report
No indication
English
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