... upstream oil & gas pore throat water production swso treatment reservoir surveillance rate oil rate polymer test oil production spe 97643 society of petroleum engineers field application flow in porous media polymer relative permeability modifier gel miller field drillstem testing...

... cycling and allowing the formation to handle high shear stress during high flow rates. polymer brine proppant hydraulic fracturing fine particulate flow test utta solution particulate tackifier formation fine migration fracturing materials sand pack utta treatment utta fracturing...

... . Continuous Injection Surfactant Flood In our experiment we concluded that 2% pore volume surfactant and 7 to 8 pore volumes of polymeric water displaced tertiary oil by virtual continuous injection surfactant flood as I deciphered by tests that during long injection and residence time of polymer in core...

... of the USDOE championed laboratory and field applications work in steamflooding, biotechnology, alkaline-surfactant-polymer (ASP) formulations and chemicals to increase carbon dioxide viscosity. Future challenges in applying EOR using microhole technology are also discussed. Advancements in steamflooding...

... seawater injectors and high temperature gas wells. These surfactant systems are non-damaging and do not require sized solids to control losses, which eliminates the need for remedial acid treatments. fracturing materials hydraulic fracturing emulsified acid polymer concentration proppant...

... with a pre gel polymer and the gelling state given by a bottle test. In this way a better estimation of the gel strength in the reservoir can be made. bottle testing brine water correlation gel solution experiment differential pressure enhanced recovery gel strength code permeability reduction...

... Abstract Great advancement has been achieved with polymer flooding after water flooding to enhance oil recovery in Daqing oil field in China. By using polymer flooding, the oil recovery can be improved 12%, and the total oil production is 10 million tons per year in Daqing oil field. However...

... reservoir enhanced recovery injection bright water treatment field trial waterflooding polymer concentration producer kernel sweep efficiency polymer injection viscosity drillstem/well testing reservoir surveillance reservoir characterization flow in porous media surfactant chemical...

... Abstract The industrial test study on ASP-flooding in the middle part of Xinger area of Daqing oilfield is based on a lot of laboratory [ 1 ] and numerical simulation studies.By optimizing formulations, the chemical usage in the ASP system reduces significantly, surfactant, polymer, and alkli...

... communication and a volume of the short circuit flow path in the order of 150-190 bbls. Lack of isolation options through the uncemented pre-perforated liners would make any re-mediation difficult and expensive. This provided motivation to first attempt remediation by a comparatively inexpensive polymer...

... microbial culture product permeability upstream oil & gas spe 72129 successful application schneider biotechnology polymer deposition microbial method viscosity diverse successful application spe 72129 enhanced recovery reduction Introduction Microbial culture products occupy...

...%. Disadvantages It's expensive. Lower concentration systems are slightly water soluble and have lower gel strength. In-Situ Organically Cross-linked Monomer System Halli-burton's k-Trol ( Ref. 8 ) is an in-situ polymerized and organically cross-linked treatment system (non-ionic polymer gel) which...

... Abstract An important method to increase the recovery of reservoirs is ASP (alkaline/surfactant/polymer) flooding to lower the IFT (interfacial tension) between the crude oil and displacing fluid to an ultra-low value (<10 -3 mN/m) to increase the displacement efficiency and at the same...

... to take into account the effect of the adsorption energy. Secondly we develop a model for the placement of polymers in linear and radial layered reservoir systems, taking into account the layer and bridging adsorption mechanisms and the Non-Newtonian character of the polymeric fluids. Steady state flow...

... water permeability (with little or no impact on oil permeability), these were considered the only viable option for potential application within BDO. Based upon independent confirmation of vendor submitted core flow test data, a linear, amphoteric polymer system was selected for field testing...

... Abstract Rheology and stability of some polymer flooding and ASP (alkaline, surfactant, polymer) flooding produced liquid were studied in this work. Rheology of the produced water plays an important role in the stability of polymer flooding and ASP flooding produced liquid. The stabilizing...

... Abstract After the success of polymer flooding field tests in the north of Daqing oil field, commercial applications have been conducting, and remarkable technical and economic results have been obtained. In contrast to north area of oil field, XF has characteristics of low permeability...