... Abstract All heavy oil reservoirs in TaoBao oil field are shallowly buried, thin, and multilayered in which natural production and cold production technologies have been implemented in past seven years, and obvious increase in oil production was achieved by cold production(up to 9 times than...

...-production conditions. All the results could be useful for the guidance of steam flooding project. enhanced recovery separated segment heavy oil reservoir thermal method Upstream Oil & Gas production rate steam-assisted gravity drainage recovery percentage horizontal well new flooding...

... Abstract L Block is a super-deep heavy oil reservoir with the degassed oil viscosity of 9,680∼12,000mPa.s @50☐, 2800∼3300 m deep with normal pressure system and 80∼95☐ in the reservoir. The GOR is 12m 3 /m 3 and the initial bubble point pressure is only 4MPa. High oil viscosity and low...

... Abstract The Court Bakken heavy oil reservoir (17 °API) in Saskatchewan has been under successful water flooding for many years. Laboratory studies have indicated that caustic flooding can enhance heavy oil recovery significantly after water flooding. This paper describes design...

... Abstract In this paper, the complicated displacement mechanisms of injection of CO 2 , surfactant and steam into heavy oil reservoirs are evaluated using a laboratory physical model and a numerical simulation model. There are four different recovery scenarios examined, which include steam-only...

... viscosities, natural production mechanisms will render low recoveries. Therefore, suitable EOR methods need to be applied to extend the productive life of these reservoirs and increase their recovery factors. For these reasons, the implementation of the SAGD process in Venezuelan heavy oil reservoirs...

... Abstract Despite the many publications about the production mechanisms of heavy oil reservoirs, there is still no consensus as to what is behind the anomalous production rates observed in some reservoirs in Venezuela and Canada. Many authors attribute the recovery of a much higher fraction...

... in the comparison of their worth using common economic parameters. enhanced recovery temperature distribution heater economics summary thermal method Upstream Oil & Gas oil production operation SAGD electrical heater thermal operation heavy oil reservoir steam-assisted gravity drainage spe ps...

... Combustion with heavy hydrocarbon vapor injection on the same heavy oil reservoir. This paper with the help of an example case study, gives a detailed explanation of this combination technique as an integrated unit and its various advantages over using just a single technique. thermal method Upstream...

..., because density of mixture fluid goes up with water cut. According to these, no emulsion breaker is required anymore when gas lift is employed in high water cut with low API in heavy oil reservoir. Gas lift method brings relative easiness to deal with heavy oil and extra-heavy oil. So it is the best...

... Abstract China has significant heavy oil deposit of more than 1.9 billion tons of oil reserve in place (OOIP) with four major heavy oil producing areas, which are Liaohe Oil Field, Xinjiang Oil Field, Shengli Oil Field and Henan Oil Field. China has many types of heavy oil reservoirs...

... Abstract Heavy oil reservoirs of steam-injection development after water-flooding have normally experienced many different production processes, such as cold production, water-flooding, steam buff and puff, and steam flooding. Some complex phenomena and effects may occur in the non-isothermal...

... of the foamy oil response. free gas pvt measurement cylinder reservoir oil viscosity kantza information molecule heavy oil reservoir ct number viscosity model heavy oil bubble point viscosity live oil relaxation time nmr primary production upstream oil & gas complex reservoir log...

... and expansion of reservoir fluids. Some heavy oil reservoirs in Venezuela and Canada show a high recovery factor during primary production under the solution gas drive process. Factors responsible for high oil recovery in heavy oil reservoirs are not well understood to allow reliable predictions to be made...

... limestone reservoir characterization hofd pedec permeability heavy oil reservoir exploration productive deposit spe ps-cim choa 97890 fracture operation injection upstream oil & gas sarvak thickness reservoir drillstem testing enhanced recovery fluid dynamics flow in porous media...

... Abstract Production of hydrocarbons from heavy oil reservoirs often requires large investments both in capital and in operation and despite the best efforts portions of the reservoir may be bypassed or injected fluids may be lost. Time-lapse geophysical methods have shown promise in monitoring...

...-engineering method, this paper presents the feasibility study of CO 2 injection for heavy oil reservoirs following cyclic steam stimulation. Pilot tests were conducted to several wells in Lengjiabao heavy oil reservoirs in Liaohe oilfield, China. Some wells got good effect, while some wells got poor effect...

... Abstract Electrical Heating of heavy oil reservoirs has been successfully applied in near wellbore regions. Well stimulations through downhole resistive, dielectric, or induction electric heating systems when applied in suitable reservoirs can triple flow rates for a small additional operating...

... Abstract Actually in Venezuela reservoir characterization has become very important, especially for heavy oil reservoirs because of the great amount of reserves located in the Orinoco belt. For this reason, new logging techniques like nuclear magnetic resonance are being applied in order...

... Abstract The so-called "Foamy Oil" phenomenon is associated with primary cold production from heavy-oil reservoirs producing under solution-gas drive. A number of heavy oil solution gas drive reservoirs show anomalously good primary performance and high oil production rates. Example...