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Keywords: injection pressure
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-530
..., the behavior of the mortar around the pipes and the optimum injection amount is not clearly understood. enhanced recovery injection pressure drain hole pipe eulerian-lagragian seepage analysis gas injection method concrete pipe mud slurry stability slurry Upstream Oil & Gas concentration...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-041
...~off chips of rocks, this water jet machine bores through the rock bed by injecting pressure water through a ~ _ rotating bit. This system consists of a b i t , a rod, a bor ing machine, an UItrahigh pressure water generating uni t ultrahigh pressure water generating unit, etc. as shown in Figure 1...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-186
... which have engineering problems. Upstream Oil & Gas structural geology Lugeon value seepage control Reservoir Characterization Fluid Dynamics injection pressure water level abutment water pressure test leakage tuff flow in porous media relation hydraulic gradient kg cm2 drill...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-184
... structural geology abutment bedrock Reservoir Characterization Lugeon value cement leakage softer rock Shirakawa Dam water level Thickness characteristic open crack water management foundation permeability injection pressure rock foundation soft rock foundation permissible...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-185
.... Water Pressure: Basic \Jater injection pressure for \Jater tests \Jere determined as Table 1 and they \Jould be changed after due consideration of such as P-Q curves and deformation of foundation rocks. Table 1 Injection pressure for \Jater tests stage Pressure (kg/c~) First Stage 1 Second Stage 2 Third...
Proceedings Papers

Paper presented at the ISRM International Symposium, October 23–24, 1973
Paper Number: ISRM-IS-1973-001
... as well as of other uses of the method. The usefulness of the method has been stated, particularly for checking the early stages, from origin of the cracking to the formation of fissure of width less than 0,001 of inch. gas injection method early stage hydraulic fracturing injection pressure...

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