... effective diffusion coefficient gasflood chemical flooding methods pvt measurement gas injection method annual technical conference Near-miscible gasflood refers to injection of gases that do not quite develop complete miscibility with the oil, but come close. For example, condensing/vaporizing...

... conducted ASP flooding research in laboratory and obtained good results. On the basis of the specific reservoir characteristics in north and south of Daqing oil field, two ASP-flood formulations were selected and pilot tests were conducted. enhanced recovery xf pilot area chemical flooding methods...

... 1996 20 5 1997 6 6 1997 1 8 1997 1 8 1997 Copyright 1997, Society of Petroleum Engineers enhanced recovery project crude oil gravity upstream oil & gas viscosity oil gravity spe reservoir engineering prediction co 2 criteria oil price chemical flooding...

... upstream oil & gas spe reservoir engineering recovery saturation mmp gasflood injection gas reservoir displacement composition enhanced recovery oil recovery co 2 fat tube reservoir surveillance coreflood reservoir simulation orw chemical flooding methods flow in porous media fluid...

... are described. Steamflooding is still the dominant EOR method. All chemical flooding has been declining, but polymers and gels are being used successfully for sweep improvement and water shutoff. Only CO 2 flooding activity has increased continuously. upstream oil & gas co 2 chemical flooding methods...

... sandpack screen factor perforation fluid dynamics drillstem/well testing upstream oil & gas viscosity reduction polymer enhanced recovery spe reservoir engineering chemical flooding methods apparent viscosity degradation production monitoring mobility production control wilbert 25...

... & gas relative permeability flow in porous media fluid dynamics polymer chemical flooding methods polymer solution system bpt water saturation test core water phase concentration relative permeability modifier gas phase apt spe reservoir engineering Relative permeability modifiers...

... synthetic north sea water north sea water chemical flooding methods sulfonate From the economic evaluation of high-concentration surfactant floods, as proposed in the late eighties, some additional directives were formulated to try to lower the costs. In these original proposals, surfactants...

... 25 300 m 3 , or 18.3 % OOIP, is additional produced oil with the current oil cut of 29.7%. 21 4 1996 23 5 1996 23 5 1996 1 8 1996 1 8 1996 Copyright 1996, Society of Petroleum Engineers thickness chemical flooding methods oil recovery rate oil cut pilot...

... & gas pennzoil flow unit spe reservoir engineering chemical flooding methods completion installation and operations production control reservoir surveillance flow in porous media biostratigraphy production monitoring drillstem testing drillstem/well testing bs degree reservoir...

... steamflood chemical flooding methods dome-tumbador thermal method steam injection enhanced recovery gas injection method spe reservoir engineering Although there are eyewitness reports 19 of surfactant and air injection in Russia and China in the early sixties, the first documented field...

... in porous media drillstem testing dissolution saturation change spe reservoir engineering production control well logging drillstem/well testing pilot pattern chemical flooding methods oil recovery reservoir surveillance fluid dynamics stevens A pilot pattern ( Fig. 1 ) in the EVGSAU...

... polymer efficiency oil production oil recovery waterflooding viscous-oil reservoir polymer flooding simulation chemical flooding methods efficiency spe reservoir engineering temperature effect recovery water leg incremental oil recovery upstream oil & gas polymer slug flow in porous...

... quality production monitoring flow in porous media well 31 chemical flooding methods miscible method fluid dynamics reservoir surveillance waterflooding In recent years, foam has been applied to reduce gas channeling in steam, hydrocarbon gas, and CO 2 miscible floods, and significant...

... surfactant solution chemical flooding methods naoh spe reservoir engineering incremental oil flopaam 3330 daqing oil field injection asp solution concentration alkali polymer salinity enhanced recovery chemistry daqing core crude oil ultralow 1ft oil field ASP flooding is a chemical...

... spe reservoir engineering oil cut polymer flood polymer concentration oil production mobility ratio injection surtek inc total dissolved solids upstream oil & gas enhanced recovery viscosity mg kg concentration chemical flooding methods reservoir temperature ooip rapdan unit...

... waterflooding viscosity flow in porous media fluid dynamics drilling fluids and materials formula chemical flooding methods formation water In a general price environment that has not been very favorable since 1986, with crude oil prices fluctuating at around $113/m 3 , chemical EOR processes...

... recovery near-wellbore gel treatment upstream oil & gas chemical flooding methods waterflooding deep gel placement enhanced recovery crossflow gel treatment polymer flood permeability reduction ppm fluid dynamics spe reservoir engineering flow in porous media injection incremental oil...

... reservoir engineering saturation waterflooding chemical flooding methods glenn pool surfactant-flood expansion project enhanced recovery injection concentration lease oil production southwestern quadrant middle sand injector oil cut quadrant chloride concentration wor pilot test upstream...

... upstream oil & gas foam injection breakthrough surfactant enhanced recovery chemical flooding methods production control engineering injection chemical tracer incremental oil pattern 68bw foam generation thermal method production monitoring gas injection method flow in porous media...