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Small-scale experiments with an analysis to evaluate the effect of tailored pulse loading on fracture and permeability. Quarterly report 2, December 11, 1979 through March 11, 1980. [Tailored pulse loading] [electronic resource].

Published
Menlo Park, Calif. : SRI International, 1980.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 91 : digital, PDF file
Additional Creators
SRI International and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Because of the potential for increased gas production in the eastern Devonian shales, these materials were selected for the evaluation of well stimulation techniques. One technique selected for further study was blasing with tailored pulse loading, i.e., shaping the borehole input pressure-history to produce a specified fracture pattern. A two-year program was initiated to examine the effects on fracture of pulse tailoring. In Task 1, field experiments are being performed at the Nevada Test Site (NTS) to evaluate computational fracture predictions and to evaluate various well shooting concepts. Task 2 consists of laboratory measurements and springing experiments to determine site material properties and NAG-FRAG fracture parameters (in the SRI microstructural model). Task 3 is a theoretical and computational effort. During this quarter, a shear cracking model and a model for gas penetration effects were incorporated into NAG-FRAG, and simulations of the laboratory springing experiments were performed.
Report Numbers
E 1.99:doe/mc/11577-t4
doe/mc/11577-t4
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
04/01/1980.
"doe/mc/11577-t4"
McHugh, S.L.; DeCarli, P.S.; Keough, D.D.
Funding Information
AC21-79MC11577
View MARC record | catkey: 14659931