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oil reservoirs

Proactive control of cresting in homogeneous oil reservoirs : an experimental study

Proactive control of cresting in homogeneous oil reservoirs : an experimental study

... thin-oil reservoirs, based on the principle of capillarity and breakthrough ...shutting oil production temporarily, causing the water and gas height levels to recede by gravity and capillarity with ...

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Extended application of radon as a natural tracer in oil reservoirs

Extended application of radon as a natural tracer in oil reservoirs

... the oil volume stored in the porous space of oil reservoirs is under development at ...between oil and water is known, SOR will be determined considering the increased amount of radon in the ...

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Proactive control of cresting in homogeneous oil reservoirs : an experimental study

Proactive control of cresting in homogeneous oil reservoirs : an experimental study

... overall oil productivity, operating and handling cost of the water or gas produced and possibly the early shutting-in of wells, and in some cases results in increased water disposal and environmental effects such ...

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Genome Resolved Metagenomic Analysis Reveals Roles for Candidate Phyla and Other Microbial Community Members in Biogeochemical Transformations in Oil Reservoirs

Genome Resolved Metagenomic Analysis Reveals Roles for Candidate Phyla and Other Microbial Community Members in Biogeochemical Transformations in Oil Reservoirs

... for oil and gas exploration and recovery enable investigations of deep subsurface ...Petroleum reservoirs are unusual environments due to their combinations of very high carbon compound concentrations, el- ...

12

Effectively optimizing production of horizontal wells in homogeneous oil reservoirs

Effectively optimizing production of horizontal wells in homogeneous oil reservoirs

... The placement of a horizontal well is directly related to its performance, especially in oil reservoirs that experience cresting problems. Due to the nature of the reservoir considered in this study, the ...

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On the Reduction of Optimization Time in Simulation of Oil Reservoirs

On the Reduction of Optimization Time in Simulation of Oil Reservoirs

... Thermal recovery techniques including Fast-SAGD process increases the production efficiency of heavy oil reservoirs. Effective parameters in this study included injection and production rates, height of the ...

12

Oil Reservoirs Classification Using Fuzzy Clustering (RESEARCH NOTE)

Oil Reservoirs Classification Using Fuzzy Clustering (RESEARCH NOTE)

... Different methods are used for clustering as a main tool for data mining. Hard clustering methods i.e. K- Means algorithm are based on crisp logics which leads to strict clustering of the data. A data vector is just in ...

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Evaluation of Low Saline “Smart Water” Enhanced Oil Recovery in Light Oil Reservoirs

Evaluation of Low Saline “Smart Water” Enhanced Oil Recovery in Light Oil Reservoirs

... conventional oil reservoirs & limitations of finding new conventional oil pool, the petroleum researchers are focusing on new low-cost, environment-friendly EOR techniques to sweep the re- sidual ...

10

Foam front propagation in anisotropic oil reservoirs

Foam front propagation in anisotropic oil reservoirs

... During petroleum production, only a fraction of the oil present in an oil reservoir is extracted via primary pro- duction (i.e. driven out of the reservoir under the reser- voir’s own pressure). ...

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A neural model development for the determination of asphaltene onset 
		pressure in oil reservoirs

A neural model development for the determination of asphaltene onset pressure in oil reservoirs

... This field of research delivers a considerable contribution to multiple researches developed on the subject. The presented model, named “Neuross - Asph”, predicts the pressures that form the upper envelope of asphaltene ...

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Investigating Improved Oil Recovery in Heavy Oil Reservoirs

Investigating Improved Oil Recovery in Heavy Oil Reservoirs

... lowing primary recovery. Natural reservoir energies control the ultimate recovery of petroleum during primary production; such drive mechanisms include liquid and rock compressibility drive, solution gas drive, gas-cap ...

9

Spatial analysis of oil reservoirs using detrended fluctuation analysis of geophysical data

Spatial analysis of oil reservoirs using detrended fluctuation analysis of geophysical data

... The well log data comprise the most valuable information that can be obtained from geological volumes and from oil reservoirs. However, the cost of drilling imposes severe limi- tations on the number of ...

7

New petrophysical model for unconventional high Co2 content oil 
		reservoirs

New petrophysical model for unconventional high Co2 content oil reservoirs

... In oil reservoirs the neutron log reads a porosity value slightly lower than the density ...gas reservoirs, the neutron reading is smaller than the density leading to a pattern known as “gas ...in ...

13

A Study on the Mechanism of Urea-assisted Steam Flooding in Heavy Oil Reservoirs

A Study on the Mechanism of Urea-assisted Steam Flooding in Heavy Oil Reservoirs

... The Biqian-10 block, located in Henan Oilfield of Sinopic, contains many thin and interbedded reservoirs, which have been operated by cyclic steam stimulation for 20 years or more. Therefore, it is a challenge to ...

9

Evaluate horizontal well production 
		performance in heavy oil reservoirs

Evaluate horizontal well production performance in heavy oil reservoirs

... The aquifer layer is implemented underneath the oil layer using data related to the aquifer system into GEM simulator. This statement has supported by the high water cut of 40% at the initial production period of ...

5

Simulation of Water Coning in Oil Reservoirs Using a Corrected IMPES Method

Simulation of Water Coning in Oil Reservoirs Using a Corrected IMPES Method

... Moreover, two factors have been considered: (1) the outlet effect, which requires that capillary pressure to approach zero at the sand face, and (2) the compatibility condition, as t[r] ...

9

Sand Failure Mechanism and Sanding Parameters in Niger Delta Oil Reservoirs

Sand Failure Mechanism and Sanding Parameters in Niger Delta Oil Reservoirs

... Only oil wells were considered for this study. Completions where sand control devices were installed were screened out. A total of 78 strings were first selected and screened. These reduced to 54 on the basis of ...

6

Gravity Drainage Visualization Experimental  Study of Heavy Oil Reservoirs

Gravity Drainage Visualization Experimental Study of Heavy Oil Reservoirs

... of oil-water interface in different speed ...small oil region. Continue to release, some oil can be driven by water, oil and water are small gradually separated into smaller ...

7

Simulation of Oil Reservoirs Driving Indices and Recovery Mechanisms

Simulation of Oil Reservoirs Driving Indices and Recovery Mechanisms

... Different recovery mechanisms are activated during the production from reservoirs. Wells sometimes are kept with the injection. Therefore the evaluation of injection indices depended on material injection, seems ...

8

Investigation into the impact of biosurfactant in heavy oil reservoirs

Investigation into the impact of biosurfactant in heavy oil reservoirs

... One of the main objectives of this investigation was also to produce biosurfactant that can ultimately improve oil recovery when compared with the conventional water flood. In order to achieve this goal, the ...

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