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Bukhara
The article briefly reviews the opportunities of statistical analysis application, based on the distribution function of hydrocarbon accumulations, in terms of different petroleum regions’ geological concept update. Used statistical tool was derived from Peter Roses’ investigations based on the plenty of world hydrocarbon accumulations analysis. According to it, the relationship between the accumulations’ resources and the amount of these accumulations represents almost straight line in log-lognormal scale. The article reviews the results of this method application in terms of Bukhara-Khiva petroleum region in Uzbekistan. Firstly, the essential deformation of these distribution functions had been identified because of Shurtan accumulation presence among the set of all discovered in this area accumulations. These results gave an idea of possible Shurtan location in another petroleum region. Secondly, the strong analysis of all available geological data (particularly satellite image interpretation) allowed proving the Shurtan location in adjacent Gissar petroleum region and necessity of Bukhara-Khiva region’s southeastern boundary correction. Afterwards the same was also proved by means of modified (excluding Shurtan) distribution function of hydrocarbon accumulations. Finally, the boundary between Bukhara-Khiva and Gissar petroleum regions has been reviewed based on the available geological data and statistical analysis combination. Applied statistical analysis made possible to update previous Bukhara-Khiva geological concept, based only on geological information by implication of statistical data as well.
The most important way to fulfill the Republic of Uzbekistan's demand for energy raw materials is to increase oil and gas production. This needs oil and gas industry growth, increasing the amount of drilling, developing equipment and technology for drilling oil and gas wells. The cumulative experience has shown that oil and gas wells in Uzbekistan's Bukhara-Khiva Basin are primarily located in areas where drilling conditions are difficult. The most complicated is absorption of flushing liquid, loss of well wall stability, narrowing of borehole because of swelling of clayey rocks, manifestation of highly mineralized water-rapes from saline and anhydrite deposits, clamping of drilling tools and violation of natural permeability of productive formations. As a result, the technical and economic indicators of drilling are significantly deteriorating, and the material costs and working time associated with the elimination of complications of the wiring process are increasing. The absorption of drilling and plugging solutions are among the most common and time-consuming problems in the construction of oil and gas wells, the elimination of which takes a significant amount of time, costly materials and calendar time. The article considers the composition of drilling fluid to prevent complications associated with the absorption of flushing liquids. The results of laboratory research on the development of drilling fluid composition to prevent complications associated with the absorption of flushing fluids, as well as data obtained from the study of their technological parameters. Dry polymeric filler and filler based on rice mixed fodder are proposed to be used as clogging material. The developed composition of drilling liquid has passed laboratory tests in the production conditions of Uzburneftegaz and is recommended for industrial testing.
SPE Disciplines: Well Drilling > Drilling Fluids and Materials > Drilling fluid management & disposal (0.49)
Abstract The present paper describes the results of petroleum systems modeling of Amudarya basin, which includes Bukhara and Chardzhou structural steps. The main purpose of the study is assessment of the quality of available data for the basin modeling, the description of the elements of petroleum systems, the history of source rock maturation and possible hydrocarbon migration routes, and recommendations for the required data. There are two main source rocks in the Amudarya basin of Lower-Middle Jurassic and Upper Jurassic age, which correspond to type III and type II kerogen, respectively. The main reservoirs are carbonate structures of Oxfordian age and clastic rocks of the Cretaceous age. Caprock is a salt-anhydrite formation of Tithonian age, which acts as reliable regional seal. As the result of the study, 1D models of Bukhara and Chardzhou steps and a 2D model through Gazli and Shurtan fields, showing the transformation ratio of kerogen and hydrocarbon migration routes, were obtained. Modeling was performed on petroleum systems modeling software. The results were calibrated with temperature and vitrinite reflectance data, where possible. The ability of the model to predict accumulations in the existing fields was tested. The main elements of petroleum systems have good quality and the basin may contain up to 1.1 to 1.4 TCM of undiscovered gas. The authors believe that the potential of the Amudarya basin has not been exhausted, and there is the need for extensive and detailed basin modeling studies to identify the most perspective areas for further exploration.
doi: 10.2118/182543-MS
SPE-182543-MS
Amudarya basin, basin, chardzhou structural step, deposit, hydrocarbon, iii kerogen, jurassic source rock, kerogen, khodzhaipak formation, migration route, Reservoir Characterization, salt-anhydrite formation, Scenario, source rock, structural geology, Thickness, transformation ratio, Upstream Oil & Gas, Uzbekistan
Oilfield Places:
- Asia > Uzbekistan > Gazli Field (0.99)
- Asia > Uzbekistan > Amu-Darya Basin (0.99)
- Asia > Kazakhstan > Caspian Depression > Caspian Basin (0.99)
- (8 more...)
SPE Disciplines:
- Reservoir Description and Dynamics > Reservoir Characterization > Geologic modeling (1.00)
- Reservoir Description and Dynamics > Reservoir Characterization > Exploration, development, structural geology (1.00)
- Reservoir Description and Dynamics > Fluid Characterization > Geochemical characterization (1.00)
POST - CONGRESS TOURS Duration of the Itinerary Technical sights tour A Moscow-Leningrad-Moscow VNIIneftechim June 10-12 VNIGRI 1 Moscow-Tashkent-Bukhara- Sred AzNIIgas June 20-26 Samarkand-Moscow "Gasli" gas field l a Moscow-Samarkand-Bukhara- Sred AzNIIgas June 20-26 Tashkent-Moscow "Gasli" gas field 2 Moscow-Krasnodar-Sochi-Moscow "Krasnodarneftegas" oil fields, June 20-26 the Black Sea area Directorate of the Glavtransneft - Moscow-Ulyanovsk-Kazan- Oil fields of Tataria and Bashkiria June 20-26 Bugulma-Kazan-Moscow 4 Moscow-Volgograd-Baku-Moscow Volgograd refinery, off-shore oil June 20-26 fields "Neftyannye Kamni" and oil field named after Serebrovsky, Novo-Bakinsky refinery, Institute VNII, Institute AzINiCh 4a Moscow-Baku-Volgograd-Moscow Volgograd refinery, off-shore oil June 20-26 fields "Neftyannye Kamni" and oil field named after Serebrovsky, Novo-Bakinsky refinery, Institute VNII, Institute AzINiCh 5 Moscow-Yaroslavl-Moscow Novo-Yaroslavsky refinery June 20-22 6 Moscow-Leningrad- Moscow VNIIneftechim June 20-26 VNIGRI 6a Moscow-Leningrad VNIIneftechim June 20-22 VNIGRI 7 Moscow-Tallinn-Tartu-Pskov-Moscow Shale plant June 20-26 8 Moscow-Sochi-Baku-Tashkent-Bukhara- Off-shore oil field "Neftyannye June 20-July 2 Samarkand-Moscow Kamni" and oil field named after Serebrovsky, Novo-Bakinsky refinery, Institute VNII, Institute AzINiCh, Institute SredAzNIIgas, Gas field "Gazli" 9 Moscow-Kiev-Moscow Institute of superhard materials June 20-22 10 Moscow-Lvov-Odessa-Kishinev-Moscow Polytechnical Institute June 20-26 11 Moscow-Yerevan-Tbilisi-Moscow Geological Institute and June 20-26 Mineralogical Museum of the ArmSSR Academy of Sciences 1 la Moscow-Tbilis-Yerevan-Moscow Geological Institute and June 20-26 Mineralogical Museum of the ArmSSR Academy of Sciences 12 Moscow-Tumen-Novosibirsk-Moscow Oil fields of Western Siberia, June 20-26 Siberian Branch of the USSR Academy of Sciences 12a Moscow-Novosi birsk-Tumen-Moscow Oil fields of Western Siberia, June 20-26 Siberian Branch of the U.S.S.R. Academy of Sciences 73 74 Post-Congress Tours Duration of the Tour Itinerary Technical sights tour 14 Moscow-Dushanbe-Tashkent-Fergana- Oil fields "Andizhanneft" June 20-26 Tashkent-Samarkand-Moscow Sred AzNIIgas 15 Moscow-Vladimir-Suzdal-Moscow June 20-22 16 Moscow-Riga-Tallinn-Leningrad Shale plant, VNTIneftechim June 20-26 VNIGRI 17 Moscow-Irkutsk-Novosibirsk- Sred AzNIIgas June 20-27 Tashkent-Bukhara-Tashkent-Moscow Siberian Branch of the U.S.S.R. Academy of Sciences 18 (U.S.A.) Moscow-Leningrad-Tallinn-Riga-Moscow VNIIneftechim June 20-26 VNIGRI A Cook Leningrad-Moscow-Samarkand- VNIIneftechim June 9-July 4 (8014) Bukhara-Tashkent-Alma-Ata- VNIGRI Irkutsk-Khabarovsk-Nakhodka Sred AzNIIgas A Cook Leningrad-Moscow-Samarkand- VNIIneftechim June 9-July 4 (additional) Bukhara-Tashkent-Alma-Ata- VNIGRI Irkutsk-Khabarovsk-Nakhodka Sred AzNIIgas B Cook Leningrad-Moscow-Samarkand- VNIIneftechim June 9-24 (8015) Bukhara-Tashkent-K
Academy, armssr academy, azniiga june, france moscow-tashkent-bukhara-sred azniiga june, geological institute, institute vnii, mineralogical museum, moscow-leningrad-moscow vniineftechim june, moscow-tashkent-bukhara-sred azniiga june, neftyannye kamni, novo-bakinsky refinery, oil field, post-congress tours, Serebrovsky, Siberian Branch, Upstream Oil & Gas, vniineftechim june
Country:
- Europe > Russia > Central Federal District > Moscow Oblast > Moscow (1.00)
- Asia > Uzbekistan > Toshkent Shahri > Tashkent (1.00)
- Asia > Uzbekistan > Bukhara > Bukhara (1.00)
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