Peculiarities of Oil Deposits in Gas-Condensate Systems and Rationalization of their Production, South Caspian Basin

2015 ◽  
Author(s):  
R.A. Javadova ◽  
K.T. Shikhaliyev
Keyword(s):  
Gas Condensate ◽  
Caspian Basin ◽  
South Caspian Basin ◽  
Oil Deposits

scholarly journals Dynamics of hydrocarbon production in long-developed fields of the South Caspian basin with emphasis on reserves renewability

2021 ◽  
Vol 11 (3) ◽  
pp. 1081-1091
Author(s):  
A. A. Feyzullayev ◽  
I. Lerche ◽  
I. M. Mamedova ◽  
A. G. Gojayev
Keyword(s):  
Oil And Gas ◽  
Methodological Approach ◽  
Gas Production ◽  
Oil Field ◽  
Gas Condensate ◽  
Caspian Basin ◽  
The South ◽  
South Caspian Basin ◽  
Hydrocarbon Production ◽  
Field Development

AbstractThe scientific basis of the paper is the concept of renewability of oil and gas resources. In accordance with this concept, the purpose of this paper is to estimate the volumetric rate of natural replenishment of the reservoir with oil and gas using the example of long-developed Bibieybat oil and Garadag gas condensate fields in the South Caspian Basin (SCB). The methodological approach of this assessment is based on the authors' assumption that at the late stage of field development, the recoverable amount of hydrocarbon fluids is compensated by the amount of their natural inflow, as a result of which oil or gas production stabilizes. The analysis of the dynamics of hydrocarbon production for the Bibieybat oil field covered the period from 1935 to 2018, and for the Garadag gas condensate field from 1955 to 1979. The rate of natural oil replenishment calculated for 29 operating facilities of the Bibieybat field varies per well within 0.32–1.4 ton/day (averaging 0.76 ton/day) or about 277 ton/year. The rate of natural gas inflow at the Garadag gas condensate field is about 5.2 thousand m3/day per well.

The Bahar oil and gas-condensate field in the South Caspian Basin

1998 ◽  
Vol 4 (3) ◽  
pp. 253-258 ◽  
Author(s):  
A. A. Narimanov ◽  
N. A. Akperov ◽  
T. I. Abdullaev
Keyword(s):  
Oil And Gas ◽  
Gas Condensate ◽  
Caspian Basin ◽  
The South ◽  
South Caspian Basin

scholarly journals Signs of Natural Renewal of Oil and Gas Reserves in Fields of the South Caspian Basin

2020 ◽  
Vol 3 (3) ◽  
Keyword(s):  
Oil And Gas ◽  
Dynamic Equilibrium ◽  
Gas Production ◽  
Oil Field ◽  
Gas Condensate ◽  
Caspian Basin ◽  
Geological Time ◽  
South Caspian Basin ◽  
Sharp Drop ◽  
Oil And Gas Production

Results are given of oil and gas production in the long-lived fields Bibieybat and Garadag of the Absheron Peninsula, South Caspian Basin (SCB). The analysis for the Bibieybat oil field covered the period from 1935 to 2018, and for the Garadag gas condensate field from 1955 to 1979. The development is the Productive Series (lower Pliocene) - main reservoir of the SCB. The intensive development of these fields leads to the disturbance of the natural dynamic equilibrium established in the reservoir over geological time. A sharp drop of formation pressure (significantly lower than hydrostatic) during field development contributes to the natural inflow of hydrocarbon fluids to the reservoir. The rate of natural oil replenishment calculated for 29 operating facilities of the Bibieybat field varies per well within 0.32-1.4 ton/day (averaging 0.76 ton/day) or about 277 ton/year. The rate of natural gas inflow at the Garadag gas condensate field is different for its various blocks, averaging 5.2 thousand m3/day per well. Stable oil and gas production and the equivalent rate of natural recharge are determined by the influence of a complex of factors, of which reservoir pressure, temperature and permeability of the reservoir rocks are dominant.

THE TREND OF USING SEPARATED WATERS AS PROCESS FLUIDS

2015 ◽  
pp. 103-108
Author(s):  
R. E. Shesterikova ◽  
E. A. Shesterikova ◽  
M. V. Popov
Keyword(s):  
Raw Materials ◽  
Gas Condensate ◽  
Drilling Fluids ◽  
Secondary Sources ◽  
Mineralized Water ◽  
Oil Deposits

It is known that development of gas, gas-condensate and oil deposits is related with production of associated mineralized water. For creation of highly profitable processes of production and processing of hydrocarbons the methods of utilization of secondary sources of raw materials and energy become very important. The volumes of produced associated water at the petroleum complex facilities are so great, that it permits to consider them as a source of raw materials for processing with further receiving various commodity products, for example, process liquids, drilling fluids, iodine, bromine and their compounds.

scholarly journals Crustal density structure of the northwestern Iranian Plateau

2019 ◽  
Vol 56 (12) ◽  
pp. 1347-1365 ◽  
Author(s):  
Vahid Teknik ◽  
Abdolreza Ghods ◽  
Hans Thybo ◽  
Irina M. Artemieva
Keyword(s):  
High Density ◽  
Central Iran ◽  
P Wave ◽  
Arabian Plate ◽  
Scale Model ◽  
Moho Depth ◽  
Caspian Basin ◽  
The South ◽  
South Caspian Basin ◽  
Iranian Plateau

We present a new 2D crustal-scale model of the northwestern Iranian plateau based on gravity–magnetic modeling along the 500 km long China–Iran Geological and Geophysical Survey in the Iranian plateau (CIGSIP) seismic profile across major tectonic provinces of Iran from the Arabian plate into the South Caspian Basin (SCB). The seismic P-wave receiver function (RF) model along the profile is used to constrain major crustal boundaries in the density model. Our 2D crustal model shows significant variation in the sedimentary thickness, Moho depth, and the depth and extent of intra-crustal interfaces. The Main Recent Fault (MRF) between the Arabian crust and the overriding central Iran crust dips at approximately 13° towards the northeast to a depth of about 40 km. The geometry of the MRF suggests about 150 km of underthrusting of the Arabian plate beneath central Iran. Our results indicate the presence of a high-density lower crustal layer beneath Zagros. We identify a new crustal-scale suture beneath the Tarom valley between the South Caspian Basin crust and Central Iran and the Alborz. This suture is associated with sharp variation in Moho depth, topography, and magnetic anomalies, and is underlain by a 20 km thick high-density crustal root at 35–55 km depth. The high-density lower crust in Alborz and Zagros may be related to partial eclogitization of crustal roots below about 40 km depth. The gravity and magnetic models indicate a highly extended continental crust for the SCB crust along the profile. Low observed magnetic susceptibility of the Kermanshah ophiolites likely indicates that the ophiolite rocks only form a thin layer that has been thrust over the sedimentary cover.

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