A. V. Peskov and V. V. Gusev
Keywords: Limestone calcites, catagenesis, hydro-carbons, crystal structure, carbonate reservoirs, Karachaganak deposit
Pages: 1009-1016
Study was given to the lithology of carbonate reservoirs of the Karachaganak oil and gas-condensate deposit (KOGCD). The calcites from the KOGCD limestones were explored to reveal crystal structure imperfections (CSI), whose parameters were estimated to a different degree of catagenetic transformation. Using the X-ray structural analysis, we can determine the amount of catagenetic calcite. Using the X-ray approximation, we have established zones of catagenetic cementation in the limestones of the Karachaganak hydrocarbon deposit. According to CSI parameters, the compositionally uniform carbonate formations, especially re-efogenic ones, can be subdivided into zones with different degrees of catagenetic transformation and different reservoir properties.
V. S. Volkova, I. A. Kul'kova, and O. B. Kuz'mina
Keywords: Dinoflagellates, spores, pollen, formations: Lyulinvor, Tavda, Zhuravka, Abrosimov, Beshcheul', Tavolga; vegetation, West Siberia
Pages: 1017-1037
New data are reported to give stratigraphic support for the age of Paleogene marine and Paleogene-Neogene continental deposits exposed in three wells drilled on the Irtysh River near the town of Omsk, West Siberia. According to dinoflagellates and SPA, two formations, Lyulinvor and Tavda, have been recognized as part of the marine Paleogene. On the basis of dinocysts, two zones are established in the Lyulinvor Formation, named after the index species: Dracodinium varielongitudum
O. A. Kuchai, A. M. Muraliev, K. E. Abrdakhmatov, D. Delvaux, and A. D. Duchkov
Keywords: Aftershocks, seismic strain, large earthquake
Pages: 1038-1048
Analysis of breakage and seismic strain associated with the aftershocks of the 19 August 1992 M=7.3 Suusamyr earthquake shows that the surface rupture occurs in the region of highest homogeneous strain. Reorientation of stress axes on the tips of the rupture is accompanied by rift-type aftershocks. The nearly horizontal N-S orientation of the principal P-axis remained invariable and that of the T-axis changed 25 years before the main shock, during the aftershock activity, and later, which is consistent with the direction of maximum compression in the region.
The paper presents a heat flow map of the region of the Barents and Kara Seas which is a synthesis of geothermal data from the West Arctic shelf collected since the 1980s. The heat flow distribution is strongly uneven and reflects complex geology and geodynamic environment of the territory. Heat flows are notably lower in the continental part of the region than in the ocean (40
Volf M.N.
Keywords: history of early Greek philosophy, Heraclitus, problem of arche, antitheses, or apparent – unapparent, one-many, general-particular
Properties of and methods to obtain dimethyl ether (DME), a new power supply with the enhanced ecological properties, have been considered. With the use of advanced achievements (reforming of natural gas, based on the experience in creation of rocket technologies, direct synthesis of DME from synthesis gas), one might expect that dimethyl ether will appear competitive as compared to traditional combustibles. In the same manner as methanol, DME can be readily processed to high-grade petrol; however, unlike methanol synthesis, synthesis of DME is only slightly sensitive to the composition of synthesis gas (i.e. to the nature of raw material), which makes it possible to consider the processing diagram "carbon-containing raw material ® synthesis gas ® DME ® petrol" as a versatile scheme to yield synthetic engine fuels. Possible use of steam reforming of methanol to yield pure hydrogen for fuel cells has been discussed. Modern catalysts and decontamination methods are already capable to provide methanol processing to pure hydrogen with the productivity that is theoretically acceptable to arrange the appropriate devices onboard a vehicle. Macrokinetic regime of the reaction is of significant importance for a complete decontamination from CO during selective oxidation.
V. A. SADYKOV1, T. G. KUZNETSOVA1, R. V. BUNINA1, G. M. ALIKINA1, L. CH. BATUEV1, V. A. SOBYANIN1, V. A. KIRILLOV1, V. P. DORONIN2 , V. A. MATYSHAK3, A. YA. ROZOVSKII4, V. F. TRETJAKOV4, T. N. BURDEYNAYA4, V. V. LUNIN5 AND JU. ROSS6 1Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
E-mail: sadykov@catalysis.nsk.su
2Institute of Hydrocarbons Processing, Siberian Branch of the Russian Academy of Sciences, Ul. Neftezavodskaya 54, Omsk 644040 (Russia)
3Semenov Institute of Chemical Physics, Russian Academy of Sciences, Ul. Kosygina 4, Moscow 117977 (Russia)
4Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninskiy Pr. 29, Moscow 119991 (Russia)
5Lomonosov Moscow State University, Leninskiye Gory, Moscow GSP-2, 119992 (Russia)
6University of Limerick, Limerick (Ireland)
Pages: 713-724
Possible application of new technologies to remove nitrogen oxides from off-gases of diesel engines has been considered that is based on the use of steady-state and non-steady catalytic processes to reduce nitrogen oxides by diesel fuel or by the products of its selective conversion into synthesis gas or olefines in compact generators. It has been found that the use of synthesis gas, mixed with the main fuel for petrol or diesel engines, makes it possible to drastically abate emissions of hazardous components and to enhance the efficiency of the engines, in particular, when ultralean mixtures are used. A viability has been revealed to apply complex oxidic systems with high mobility of oxygen as catalysts of the oxidation processes for soot particles with nitrogen oxides involved that facilitate the removal of both types of noxious admixtures.
E. I. ANDREYKOV1, I. S. AMOSOVA1, N. A. GRINAVICH2 and O. N. CHUPAKHIN1 1Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, Ul. Akademicheskaya/S. Kovalevskoy 20/22, Yekaterinburg 620219 (Russia)
Main regularities of thermal solvolysis of comminuted rubber in organic solvents and variations of its application to salvage waste tires have been considered. The advantages of the technology to process tires with the use of heavy petroleum residue as a solvent have been disclosed.
D. A. ARENDARSKIY, A. N. ZAGORUYKO AND B. S. BAL¢ZHINIMAEV
Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
Results of laboratory and pilot studies of glass-fibre catalysts for the processes to clear off-gases of diesel engines from emissions of noxious substances have been presented. It has been demonstrated that these catalysts provide a high oxidation degree for CO and hydrocarbons as well as reduction of nitrogen oxides in the off-gases of real diesel engines.
