scholarly journals A CHANGE IN OIL VISCOSITY DURING CRUDE OIL PRODUCTION INFLUENCE ON THE SOLUTIONS OF COUNTER-CURRENT CAPILLARY

2019 ◽  
pp. 71-78
Author(s):  
I. G. Telegin ◽  
O. B. Bocharov
Keyword(s):  
Water Saturation ◽  
Oil Field ◽  
Model Parameters ◽  
Capillary Imbibition ◽  
Oil Viscosity ◽  
Complex Composition ◽  
Field Development ◽  
Oil Field Development ◽  
Crude Oil Production ◽  
Counter Current

In this article we construct a modification of the model of counter-current capillary imbibition with oil viscosity dependent on dynamic water saturation. This approach corresponds to the approximate modeling of the complex composition of hydrocarbon fluid and taking into account the fact that a change in oil viscosity is recorded in some fields with an increase in the share of water in the extracted liquid at different stages of oil field development. The behavior of solutions under variation of model parameters is studied numerically. It is shown that the leaching of lighter fractions of oil at the first stages of operation as a whole increases the terms of achievement of project indicators. The influence of gravity on capillary washing of hard-to-reach places is analyzed.

Diagnostic Plots for Production Decline During the Transition of Oil Field Development From Depletion to Water Injection

2021 ◽  
Author(s):  
Vil Syrtlanov ◽  
Yury Golovatskiy ◽  
Ivan Ishimov
Keyword(s):  
Water Injection ◽  
Simulation Models ◽  
Oil Field ◽  
Production Data ◽  
Oil Reservoir ◽  
Field Development ◽  
Well Production ◽  
Diagnostic Plots ◽  
Oil Field Development ◽  
Analytical Approaches

Abstract In this paper the simplified way is proposed for predicting the dynamics of liquid production and estimating the parameters of the oil reservoir using diagnostic curves, which are a generalization of analytical approaches, partially compared with the results of calculations on 3D simulation models and with actual well production data.

Diagnostic Results of Current Distribution Injected Water Flow in the Productive Formation for Neft Dashlary Oilfield

2021 ◽  
Author(s):  
Khidir Mansum Ibragimov ◽  
Nahide Ismat Huseinova ◽  
Aliabas Alipasha Gadzhiev
Keyword(s):  
Current Distribution ◽  
Oil And Gas ◽  
Experimental Studies ◽  
Oil Field ◽  
Fluid Distribution ◽  
Field Development ◽  
Hydrodynamic Parameters ◽  
Oil And Gas Fields ◽  
Oil Field Development ◽  
Gas Fields

Abstract For controlling the oil field development proposed an economically efficient express calculation and visualization method of the hydrodynamic parameters current values distribution in the productive formation. The presented report shows the results of applying this technique for determining the injected water propagation direction into the productive formation (X horizon) at the «Neft Dashlary» field. Based on the calculated results, the current distribution of the injected water was visualized in the selected section of the formation. High accuracy of the calculation was confirmed by comparing obtained results with the results of a simultaneous tracer study conducted in the field conditions. During tracer studies it was tested a new tracer material, more effective than its analogs. According to laboratory and experimental studies, the addition of 0.003% of this indicator substance to the volume of injected water is the optimal amount for its recognition in the well's product. At the allocated area of the "Neft Dashlari" field, the benefits from the use of the calculation method amounted to 62.9 thousand manats. Based on the obtained satisfying results of the new method for calculating hydrodynamic parameters and the use of a tracer indicator application at the «Neft Dashlary» oilfield, it is recommended to apply these developments in other oil and gas fields for mass diagnostic of the reservoir fluid distribution in a selected area of productive formations.

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