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Keywords: oil recovery
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Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131043-MS
... Abstract Rock wettability is one of the most important factors driving oil recovery mechanisms, as it controls the location, flow and distribution of reservoir fluids. Wettability affects most of the petrophysical properties of reservoir rocks including capillary pressure, relative permeability...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131087-MS
... recovery factor oil sample enhanced recovery air injection experiment low permeability reservoir reservoir oil recovery flow in porous media reaction injection Introduction LTO Characteristics The LTO reaction characteristics of the selected oil samples were assessed using a small...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131368-MS
..., respectively. The comprehensive studies suggest that the CO 2 -CAG process holds promise for recovering Saskatchewan's tremendous heavy oil resources. heavy oil recovery waterflood ioip oil recovery interfacial tension saturation pressure viscosity gas injection method reservoir temperature...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131942-MS
... Abstract A three-dimensional model was built, representing one fourth of an inverted nine-spot flood pattern, and several parameters significant to oil recovery by steam flooding were scaled in the model size. The model was designed to simulate steam flooding of an extra-heavy oil reservoir...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-132070-MS
... Abstract For a thin oil rim reservoir with a large gas cap on top and a strong aquifer below, the art of optimizing the oil recovery is to keep the oil rim in continuous contact with the producing wells in the oil rim. Therefore, the management of gas-oil contact and water-oil contact movement...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-132247-MS
... encountered in this kind of reservoir. Experiments were conducted in vug-pore artificial cores with the size of 4.5 × 4.5 × 30 cm to study the influence of viscosity and different inclination angle on the oil recovery (OR). The influence of N 2 and CO 2 on the relative location of the water-oil/gas-water...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130207-MS
.... Relative Permeability Modifiers (RPM) have proven to be an effective method to enhance oil recovery, especially under linear flow conditions achieved after fracturing. However, RPM treatments are not always effective. At present, the evaluation of water controlling performance of RPM is mainly based...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130357-MS
... in chemical flooding for a long time, recently finds their place in enhanced oil recovery in non-thermal heavy oil development. Extensive research has demonstrated their great potential in EOR of heavy oil. ( Liu et al., 2006 ; Xie et al., 2008 ; Dong et al., 2008 ; Bryan et al., 2008 ) When alkalis come...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130593-MS
... Abstract Fundamental understanding and application of process parameters in numerical simulation that leads to optimized gravity drainage oil recovery at field scale is still a major challenge. Reservoir simulations studying the effects of well patterns and type of gas injection wells have...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130726-MS
... Abstract This paper reviews recent developments in enhanced oil recovery (EOR) techniques published in SPE conference proceedings for 2007 to 2009. It also updates the EOR criteria developed by Taber et al. in 1996 based on field applications reported in Oil & Gas Journal and at various...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-103848-MS
... In this paper, the results of CT tests are described with experimental procedure, followed by the history matching studies with these tests. From these results, oil recovery mechanisms of HPAI will be discussed. The Recovery Mechanism of HPAI Abstract A series of experiments is essential...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-104432-MS
... Abstract Enhanced oil recovery by means of polymer flooding is considered as an important technology for the strategic development of offshore oilfields in China. The implementation of polymer flooding in the offshore oilfields requires overcoming several major technical problems caused largely...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64724-MS
...% nitrogen and 12% carbon dioxide) and lean gas polluted by nitrogen were injected into part of this oilfield. As carbon dioxide is soluble in water, fluids are in fact driven by nitrogen. The total oil recovery in this area can be higher than 65 percent through the application of this technology...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64725-MS
... and vaporizing displacements is the tie line nearest the critical locus. Abstract Research on four-component one-dimensional displacements has shown that enriching the gas above the minimum enrichment for miscibility (MME) can substantially increase oil recovery for certain systems. Research has further...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64730-MS
... Abstract Carbon dioxide (CO 2 ) gas could increase oil recovery by means of swelling, evaporating and lowering oil viscosity. In the displacement front, injected gas may become enriched by the oil components and gas may dissolve into the reservoir oil. By assuming that local thermodynamic...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64723-MS
... Abstract This paper presents results of a slim tube test and detailed 1D-simulation studies of a hydrocarbon system involving three hydrocarbon phases. The principle objective of this study was to evaluate the effect of CO 2 injection with three hydrocarbon phases on oil recovery...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64726-MS
... started from August 21,1995 with the beginning of NaCl brine pre-flush in order to condition the reservoir, then followed by ASP slug and Polymer slug. The post-water injection was applied after the designed chemical injections. The 24%OOIP incremental oil recovery was achieved in the whole test area...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64759-MS
... subsidence and environment problems. Billion of dollars are spent each year on attempts to predict and control sand production and repair well equipment. But control sand in unnecessary case will result in increasing cost and reducing oil recovery. Inversely, if sanding occurs and no controlling method...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64792-MS
... processes. The simulator has been applied to simulate LCFG experiments with the good consistency between laboratory and simulation results. Effects of various factors on displacement mechanism and oil recovery have been studied based on multi-serial simulating results. Several oilfield pilot tests according...

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