Abstract
The first industrial oil in the Timan-Pechora oil and gas province was obtained in 1929. By now more than 230 hydrocarbon deposits have been explored in the Province. A significant part of these deposits is under development. At the same time, the originally explored total resources have been developed in terms of oil only by 50%, in terms of gas - by about 30%. The remaining unexplored part of the initial total resources is forecast to be located in difficult unconventional bedding conditions, in particular, in the domaniсites of the Upper Devonian period. The so-called shale oil and gas are associated with them. The forecasting, exploration, and development of oil and gas deposits in the domaniсites require new methodological and technological solutions. The article discusses the problems of unconventional hydrocarbon development using the example of the domaniсites of the Timan-Pechora oil and gas Province.
Highlights
In the worldwide balance of explored reserves and extraction, an increasingly important roleis played by shale oil, which is associated with unconventional, poorly permeable reservoirs with low levels of oil recovery.In the overall balance of explored world reserves, the share of «shale» oil makes up for almost a half, and the production volumes reach 35%
This is especially evident in the USA, where active research in the field of shale oil has led to a significant increase in the production volumes of both oil and gas[1]
There is an ambiguous interpretation of the concept of shale oil: in North America, the term shale oil refers to two types of oil: Shale oil as is a highly viscous shale substance, significantly different in properties from traditional light oil
Summary
In the worldwide balance of explored reserves and extraction, an increasingly important roleis played by shale oil, which is associated with unconventional, poorly permeable reservoirs with low levels of oil recovery. If there is a large number of figures and tables it might be necessary to place some before their text citation This is especially evident in the USA, where active research in the field of shale oil has led to a significant increase in the production volumes of both oil and gas[1]. The Bazhenov Formation in Western Siberia, the domaniс deposits of Timan-Pechora and Volga-Ural oil and gas provinces, and the Khadum Formation of the Ciscaucasian region are similar to the shale strata in Russia. These deposits are represented by siliceous-argillaceous-carbonate rocks enriched with organic matter and other oil components in a dispersed state (the micro-oil). The relevance of the development of «domanikites» is reflected in the government document: «The strategy for the development of the mineral resources base of the Russian Federation until 2035»: «evaluation and involvement of previously discovered, explored, undeveloped fields and deposits of hard-to-recover oil connected with the Bazhenov formation, Domaniс horizon, and their anagoges»
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