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EN
In article on an example of interpretation of hydrodynamic researches of explorative wells on the Arctic shelf of Russia the considerable informativeness of results is shown. In particular, on а number of researches technogenic deteriorations of filtration properties of critical area of formation are revealed; existence of borders of а formation and their configuration. It allowed to make reasonable decisions оn cleaning expediency of formation critical areas and the directions of further research works.
RU
Главная особенность указанных морей России это гигантские скопления углеводородов на море и суше, а также уникальная природа Арктики. Отметим, в том числе тяжелые ледовые условия на акваториях морей в течении 5÷9 месяцев в году. Другая особенность – существенные скопления углеводородов в газогидратном состоянии в придонных слоях всех морей акватории, которые с одной стороны являются огромными носителями энергии, с другой значительно осложняют возможности традиционного освоения шельфовых месторождений. В сообщении показано расположение основных скоплений углеводородов и указаны особенности их освоения.
EN
Arctic seas of Russia show several unique features. There are great accumulations of hydrocarbons, nature of Arctic, very hard conditions caused by climate (ice during 5÷9 months), as well as vicinity of hydrates. Hydrates from one side are a source of energy from the second restrict possibilities of conventional exploitation of reservoirs. Paper shows distributions and presents potential methods of their exploitation.
EN
The report is about the program "Interpretator-M" designed for interpretation of build-up and drawdown pressure curves of oil, gas, gas-condensate and injection wells. The program is based on the use of determined moments of the depression method. There are two stages of interpretation in the program. On the first stage discrimination of filtration models based on diagnostic characteristic occurs: d=2,18 corresponds to homogeneous reservoir, d >2,18 - reservoir with blocked permeability of bottomhole formation zone, d <2,18 - fracture-porous reservoir or reservoir with faults. On the second stage of the interpretation filtration properties of the given model are determined. The distinctive feature of the program is availability of the dialogue and automatic procedures for determination of water permeability of bed. The program enables to calculate water permeability of bed by means of both differential method-tangent method and integral method-determined moments of depression method. The software enables to calculate the water permeability of bed, piezoconductivity, skin, initial reservoir pressure, delay time (for a fracture-porous reservoir), distances to faults, corner angle of a wedge (for the reservoir with faults) for different types of filtration models. At the end of the interpretation the program recommends one or several adequate filtration models. The advantage of the program is that the program takes into account a priori information. The software "Interpretator-M" works in operating system Windows 98/XP/2000. Loading of build-up pressure curves data both from digital gauges and mechanical gauges is provided. At the end of interpretation user can transmit the source information and interpretation results to the MS Excel. The software provides the help system. More than 1000 build-up pressure curves for the fields with different geological production situations were interpreted by means of the program "Interpretator-M" both in Russia and abroad.
EN
Offshore oilfield Kravcovskoe-D6 was discovered in 1983 WO "Petrobaltic". On discovery stage 5 wells were drilled. Resource base content is about 23 min tons. The sheet oil pool has oil-water-contact (OWC) on whole area. Oil is light, of low viscosity, with a low gas content, low saturation pressure and high temperature. The oilfield has good connection with a steady pressure zone. Development of oil field was begun in 2004. 13 horizontal wells and one vertical were drilled. Length of horizontal parts are 200-600 m. All of them are situated at the top part of pay zone, distance of hole 6-48 m from initial OWC. The oil bearing deposits are heterogeneous and anisotropic. Hydrodynamic research of most wells was made on steady and pseudo-steady state. Productivity varies from 33 to 767 cub. m per day/ MPa. Research data are given in this article for the purpose of horizontal well interference studying in process of development.
EN
Research data are given in this article for the purpose of horizontal well interference studying in process of development on the New-Serebrjansky oilfield of the Kaliningrad region. Resource base content is 520 thousand tons. In the course of developing 30% are extracted. The sheet oil рооl is accompanied by bottom water on whole oi1 producing area. 5 horizontal wells and 2 vertical were drilled. Length of horizontal parts are 50-130 m. All of them are situated at the top part of productive zone. Hydrodynamic research of most wells was made on steady and pseudo-steady state. It has allowed to solve a number of practical and methodological questions on management of developing oilfield.
EN
Russian offshore hydrocarbon resources are considered in report depending on water areas. Arctic and Far Eastern areas with severe climate and ice conditions are shown to have the greatest resources. Accounts show that expected offshore hydrocarbon production to the year 2030 will be approximately 10-15 per cent of Russian total level. At the same time it is necessary to build shore bases, terminals, production platforms and special service vessels and tankers for oil and CNG transportation. Potential of Russia and other states interested in supplying of expected oil and gas production level is analyzed in report.
10
Content available remote Voprosy proektirovania i issledovania gorizontal’nyh skvazin
45%
EN
In article the extreme Arctic prirodno-climatic data of works area is presented. The characteristics of а coastal infrastructure is given, possibilities of development of potential deposits are considered. The concept of working out and arrangement of the revealed geological structures depending on depth of the sea, distances to coast taking into account features of а shallow zone and extreme ice conditions is resulted. Recommendations about their development аre based whenever possible on world experience of development of deposits being in similar prirodno-climatic and geologo-physical conditions. Scenarios of соmрlех development of' group of structures, taking into account projects of extraction of hydrocarbons оn Yamal peninsula, are considered. The technical and economic estimation of development efficiency of the Bajdaratskaya Gulf hydrocarbonic resources is carried out. It is specified that at available modern technologies which can be used for development of hydrocarbons' deposits in Arctic region the project is insufficiently effective. Working out а special innovative technologies and means for overcoming an extreme environment and increasing efficiency of similar projects is required.
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