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Keywords: flooding
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Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174590-MS
... curves. However, there are no well recognized methods to perform the calculation, especially for carbon dioxide flooding due to the strong interaction among CO 2 , brine and oil phases. Diffusion coefficient and solubility of CO 2 in crude oil and brine were measured. Furthermore, all parameters...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174648-MS
... Abstract Two phase polymer flooding experiments were carried out using a novel Lab-on-a-Chip experimental set up. The microfluidics device uses porous Glass-Silicon-Glass (GSG) micro-models which were constructed based on reservoir rock thin section. The model attempts to resemble the thin...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174569-MS
... Abstract It was an argued issue concerning effects of emulsification in chemical combination flooding process. For example, it may increase oil displacement efficiency. On the other hand, it makes the produced liquid handing to be more difficult. How does emulsification impact on oil recovery...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174697-MS
... Abstract Compared with other EOR technique like gas flooding, chemical flooding, and thermal production in heavy oil, the prominent advantages MEOR has environment-friendliness and lowest cost. MEOR has various applications not only in sandstone but also carbonate reservoirs, light oil...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174591-MS
... Abstract This paper presents full field offshoresurfactant-polymer (SP) floodingapplied in JZ 9–3 Oilfield, Bohai Bay, China. Followed by 3-year polymer flooding which produced 4% incremental oil, the field turned to surfactant-polymer flooding. In the first stage, SP flooding was implemented...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174566-MS
... Abstract Chemical flooding EOR techniques, mainly including polymer flooding, chemical combination flooding and foam flooding, play a crucial role in Chinese oil industry. Field tests proved that chemical flooding EOR techniques could be applied successfully in onshore reservoirs in China...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165300-MS
... and Henderson , J.R. ( 1960 ). " Recovery of Oil by Displacements With Water-Solvent Mixture ". Petroleum Transactions AIME . No 219. 293 – 300 . Doll , H. G. , ( 1949 ), " The SP log: Theoretical Analysis and Principles of Interpretation". AIME 179 . Holm , L. W. (1982). " CO2 Flooding...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165271-MS
... Abstract Foaming of nitrogen stabilized by C 14-16 alpha olefin sulfonate in natural sandstone porous media, previously subject to water flooding, was studied experimentally. Foam was generated in-situ by co-injecting gas and surfactant solution at fixed foam quality. Effect of surfactant...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165224-MS
... Abstract EOR technology has been applied on many projects globally with variable success. It shows great potential for offshore heavy oil with oil recovery low in life span of platform (general less than 30% by water flooding). About 60-70% oil is remained in the formation after water flooding...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165211-MS
... In comparison with the Shengli-Tuo11 and Liaohe-Huanxilin 90 foam flooding projects after water flooding, both were conducted in high permeability viscous oil reservoirs with similar oil viscosity and permeability. The reservoir condition and development stage of foam flooding are also similar...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165213-MS
... Abstract Surfactant-Polymer (SP) flooding has attracted lots of attention among chemical combination flooding researchers in recent years. Pilot tests of SP flooding in China were introduced and key factors influencing the performance of pilot tests were analyzed in this paper. Main...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165258-MS
... the dynamics of the CEOR system in the porous media representative of the reservoir under study. This step is used to quantify the uncertainty in the system, and provide a robust and efficient cocktail for the flood. Finally the results are calibrated by performing a select number of corefloods...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165208-MS
... enhanced recovery chemical flooding methods polymer experiment Upstream Oil & Gas surfactant as-13 concentration IFT combination flooding core flooding experiment reservoir amphoteric surfactant as-13 core sample water flooding surfactant formation water Oil Recovery crude...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143506-MS
... of heterogeneity in practical reservoir formations, moreover, it is the foundation of a promising displacing efficiency. China is one of the countries in the world which develop chemical EOR Technology vigorously. Conventional polymer flooding has been put into industrialized application in many major...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144012-MS
... studies the alternative development mode after steam injection. Using the physical simulation method, we study the development effect of converting into Hot-water flooding under different temperature and different moment, and investigate the oil displacement efficiency of Water-Alternating-Steam Process...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144147-MS
... Figure 3 shows the comparison of cumulative oil recovery under different improved oil recovery scenarios in the homogeneous system. The SP flooding has the highest amount of recovered oil in comparison with other methods. The oil saturation in near injected wellbore regions decreases to zero...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144294-MS
... Abstract By conventional mechanism, polymer flooding, due to its high viscosity, decreases the mobility ratio, increases the Volumetric Sweep Efficiency and recovery of the reservoir. When the fluid viscosity reaches a certain value, the decrease in mobility ratio has less effect on further...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144250-MS
... Abstract There is no economical exploitation value when water cut of oil wells reaches 98% during the process of water flooding after polymer flooding. But the injection and production systems are still in good condition. Core data shows that there are about 21.2% remaining oil which mainly...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143142-MS
... on performances of thermal and non-thermal flood processes. Then, a detailed economic analysis was performed to assess the economic feasibility of each recovery process/scenario. This work has contributed significantly toward our understanding of the mechanisms of thermal injection in high permeability heavy oil...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143578-MS
... This paper reports a laboratory study of foam for improving immiscible gas flooding. The study is relevant for both continuous and Water Alternating Gas (WAG) injection schemes. The effect of oil on the longevity of nitrogen and air foams was studied in bulk for a selected set of surfactants. Foam heights...

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