... consequence enhanced recovery karst region underground draenstab method erosion permeability expansion injection stabilization GROUTING WITHOUT SEALING EFFECT Harald W. Vogel 1 PROBLEM In covered karst regions the causes of structural damages are often in coherence with the effect of seepage-water...

... and side-fill embankment, situated beneath the South Coast Railway (SCR) - part of the Illawarra Line - several hundred metres north of Coalcliff Station and nominally between chn 58.450km and 58.900km south of Sydney. enhanced recovery Upstream Oil & Gas embankment piezometric pressure flow...

..., 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 slurry pipe-jacking pressure head injection hole over-cutting area Upstream Oil & Gas...

... sugarcane bagasse enhanced recovery Upstream Oil & Gas concentration sludge metals & mining US government bs microcosm leachate bagasse bacteria amd control amd treatment bsg glucose microcosm sulfide concentration reduction bagasse ratio UTILIZATION OF SUGARCANE BAGASSE...

... selection injection pressure drilling speed nozzle travel speed Upstream Oil & Gas enhanced recovery rock bed diameter strength ultrahigh pressure water jet Jet axis rhyolite nozzle stabilization injection nozzle water path Static and Dynamic Considerations in Rock Engineering, Brummer...

.... thermal method bitumen steam-assisted gravity drainage displacement oil sand hydraulic fracturing cyclic steam stimulation operation steam injection enhanced recovery complex reservoir Clearwater Formation operation cyclic steam stimulation Reservoir Characterization SAGD Upstream Oil...

.... Offsetting wells were used to observe pressures in the reservoir due to steaming a single well. oil sand Drillstem Testing drillstem/well testing well 1 bitumen steam-assisted gravity drainage Cold Lake bottom-hole pressure boundary enhanced recovery complex reservoir gronseth steam...

... de l''ecoulement laminaire ou turbulent". After this statement all subsequent authors began to analyse the test, based on what can be seen in figure 1; that is,they showed in graph form the ratio flowrate x pressure of the test. hydraulic fracturing variation enhanced recovery hydraulic...

... with this design. The cost for reinforcing fair and weak rock is considerable and such work can interfere badly with the excavation time schedule. enhanced recovery Upstream Oil & Gas Reservoir Characterization natural gas storage reservoir geomechanics waterflooding conventional tunnel cavern...

... pressure fracture roof condition hot-film flow enhanced recovery roof bolt anchor plane Upstream Oil & Gas rock fracture borehole fissure bedded strata Air Injection constant injection pressure flowrate Harold E. Thomas" Research Mining Engineer Samuel S. M. Chan, Mining Engineer...