Petroleum Geology - Theoretical and Applied Studies
Petroleum geology - Theoretical and Applied Studies
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  • 2007    (vol. 2)


  • 2006    (vol. 1)




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    Authors


    Chumakova O.V.
    Chumakova O.V.


    All Russia Petroleum Research Exploration Institute (VNIGRI)
    St. Petersburg, Russia
    ins@vnigri.ru

    Graduated from Geology Department of Leningrad State University, specialization 'geological surveying and prospecting of mineral resources' (1980).
    Works with VNIGRI as a Senior researcher, engaged in licensing, analysis of local fund and regional work in the Timan-Pechora province.
    Area of scientific interest: oil and gas potential of in the Timan-Pechora province, licensing.
    Author and coauthor of 10 publications.



    Article # 41_2014 submitted on 24th Jul 2014 displayed on website on 30th Sept 2014
    13 p. Prischepa O.M., Bogatskiy V.I., Grigorenko T.I., Orlova L.A., Chumakova O.V.
    pdf Northwestern Timan-Pechora basin - new insights into petroleum potential prospects

    The prospective area of hydrocarbon deposits' studied in the northwestern part of the Timan-Pechora Basin and its offshore extension (Izhma-Pechora Syneclise, onshore and offshore parts of Malozemelsk-Kolguev Monocline) are presented. For the moment this area seems to be not very attractive for the subsoil investors and users due to a poorly developed sedimentary cover, concerning the main perspective complexes, small progress in detailed delineation of the objects prepared for drilling and not finally identification of the oil and gas source rocks. The exploration under government contracts allowed to establish a large development of the Lower-Middle Paleozoic perspective complexes and identify a buried amplitude shaft (Novoborsky). The research aimed at tracking of the Lower Paleozoic buried structures in the offshore and identifying the most promising objects, where parametric wells can be projected and located for estimation of oil and gas systems, is substantiated.

    Keywords: tectonical structure, petroleum potential prospects, buried structures, Lower-Middle Ordovician oil and gas complex, oil and gas accumulation zones, Izhma-Pechora Syneclise, Malozemelsk-Kolguev Monocline.

    article citation Prischepa O.M., Bogatskiy V.I., Grigorenko T.I., Orlova L.A., Chumakova O.V. Novye predstavleniya o perspektivakh neftegazonosnosti severo-zapadnykh rayonov Timano-Pechorskoy provintsii [Northwestern Timan-Pechora basin - new insights into petroleum potential prospects]. Neftegazovaya Geologiya. Teoriya I Praktika, 2014, vol. 9, no. 3, available at: http://www.ngtp.ru/rub/4/41_2014.pdf
    References





    Article # 25_2013 submitted on 14th Jun 2013 displayed on website on 21th Jun 2013
    36 p. Prishchepa O.M., Bogatskiy V.I., Grigorenko T.I., Orlova L.A., Chumakova O.V.
    pdf New insights into petroleum potential prospects of the northwestern areas of Timan-Pechora province

    Regional exploration (carried out using governmental finance) is concentrated in poor-explored peripheral areas of provinces with unestimated oil and gas prospects. One of these is the north-western area of the Timan-Pechora province, covering the northern part of the Izhma-Pechora Depression and the land and offshore areas of the Malozemelsk-Kolguev monocline. Exploration companies and investors are not showing interest about these areas due to several reasons: (a) significant reduction in the thickness of sedimentary cover, including perspective areas, (b) lack of reliable assessment of the resources of local objects, and (c) oil and gas source rocks are not known in this area. Performed exploration has allowed to establish more extensive development activity of such perspective sections as the Lower-Middle Ordovician and Middle Devonian - Lower Frasnian clastic, Semiluksky-Tournaisian carbonate unit. The tectonic structure was clarified; and the buried shaft (Novoborsky), within which there is no drilled wells nowadays, was identified. The assumption is made about the possibility of tracing buried structures in the offshore area within Malozemelsk-Kolguev monocline, which requires additional exploration. The proposed research program may lead to identifying new exploration targets, onshore and offshore.

    Key words: tectonic structure, petroleum potential prospects, buried structures Lower-Middle Ordovician oil and gas complex, oil and gas accumulation zones, Izhma-Pechora Depression.

    article reference Prishchepa O.M., Bogatskiy V.I., Grigorenko T.I., Orlova L.A., Chumakova O.V. Novye predstavleniya o perspektivakh neftegazonosnosti severo-zapadnykh rayonov Timano-Pechorskoy provintsii [New insights into petroleum potential prospects of the northwestern areas of Timan-Pechora province]. Neftegazovaya Geologiya. Teoriya I Praktika, 2013, vol. 8, no. 2, available at: http://www.ngtp.ru/rub/4/25_2013.pdf
    References





    Article # 40_2011 submitted on 12th Oct 2011 displayed on website on 24th Oct 2011
    34 p. Prischepa O.M., Bogatsky M.I., Makarevich V.N., Chumakova O.V.,
    Nikonov N.I., Kuranov A.V., Bogdanov ..
    pdf The Timan-Pechora oil-bearing province - new tectonical insight

    The results of analysis of geological and geophysical data, obtained during the last decades, have allowed us to develop a new tectonic model approach and substantiation of the whole structural interpretation of this area. Analysis of the results of reprocessing and interpretation of geological and geophysical data on the northern onshore area and the adjacent offshore area has permitted the drawing an unitary tectonic pattern for the whole Timan-Pechora basin- onshore and offshore.
    A comparative analysis of oil-and-gas-bearing complexes with characteristics of hydrocarbons generation, migration and accumulation was carried out. Tectonic, lithological and geochemical peculiarities have provided to clarify the concept of oil-and-gas petroleum system , and to separate two new promising areas - Malozemelsk-Kolguevsk and Pre-Paykhoy-Pre-Southern-Novozemelsk.

    Key words: tectonic element, oil-and-gas bearing complex, zoning, Malozemelsk-Kolguevsk oil and gas area, Paykhoy-Pre-Southern-Novozemelsk oil and gas area.

    article reference Prischepa O.M., Bogatsky M.I., Makarevich V.N., Chumakova O.V., Nikonov N.I., Kuranov A.V., Bogdanov .. The Timan-Pechora oil-bearing province - new tectonical insight // Neftegazovaya Geologiya. Teoriya I Praktika. - 2011. - V.6. - #4. - http://www.ngtp.ru/rub/4/40_2011.pdf



    Article # 46_2009 submitted on 7th Dec 2009 displayed on website on 14th Dec 2009
    19 p. Prischepa O.M., Bogatsky V.I., Chumakova O.V., Orlova L.A.
    pdf Petroleum prospects of the Malozemelsko-Kolguev oil-gas region

    An analysis of geological-geophysical material on the results of exploration for oil and gas in the last 40 years allowed first to present an unified (onshore and offshore) model of the structure and petroleum potential of the Malozemelsko-Kolguev oil-gas region. The structural elements of different order are justified, established and traced. They, in parallel with the oil-gas complexes unified for the whole region, served as the basis for oil-gas-geological zoning. The updated criteria of establishing the zones of petroleum accumulation, according to which control of traps is provided not only by structural elements but the peculiarities of structure of natural reservoirs, allowed to expand promising areas demanding the re-estimation of initial forecast resources. Within the limits of oil-gas-geological zoning, 10 zones of oil-gas accumulation of three types are established: multi-layered inherited, two-layered and single-layered - buried and hung. The directions of exploration in dependence of typifying the petroleum accumulation zones are justified.
    Key words: natural reservoirs, initial forecast resources, oil-gas accumulation zones, directions of exploration, Malozemelsko-Kolguev petroleum region.
    /Key words: natural reservoirs, initial forecast resources, oil-gas accumulation zones, directions of exploration, Malozemelsko-Kolguev petroleum region. /

    article reference Prischepa O.M., Bogatsky V.I., Chumakova O.V., Orlova L.A. Petroleum prospects of the Malozemelsko-Kolguev oil-gas region // Neftegazovaya Geologiya. Teoriya I Praktika. - 2009. - V.4. - #4.- http://www.ngtp.ru/rub/6/46_2009.pdf



    Article # 36_2009 submitted on 19th Sep 2009 displayed on website on 30th Sep 2009
    27 p. Prischepa O.M., Bogatsky V.I., Orlova L.A., Chumakova O.V., Kostygova P.K.
    pdf Forecast of petroleum potential of the district of the Timan-Pechora petroleum basin northern closure

    The petroleum prospects of the Timan-Pechora petroleum province (TPP) in the zone of onshore and offshore junction and on its offshore continuation are justified on the basis of solving the problem of developing a unified geological-geophysical model of structure of this district. This district is considered to be the nearest reserve of growing the base of explored oil reserves in the region and Russia. Such a model allowed specifying tectonic and oil-gas-geological zoning on the offshore continuation of the TPP and also essentially specifying the quantitative estimation of oil and gas resources, particularly in the districts of their increased concentration. Three principally new directions of exploration for oil and gas are determined.
    Key words: petroleum prospects, geological-geophysical model, Timan-Pechora basin, facies zoning, exploration directions.

    article reference Prischepa O.M., Bogatsky V.I., Orlova L.A., Chumakova O.V., Kostygova P.K. Forecast of petroleum potential of the district of the Timan-Pechora petroleum basin northern closure // Neftegazovaya Geologiya. Teoriya I Praktika. - 2009. - V.4. - #3.- http://www.ngtp.ru/rub/6/36_2009.pdf



    Article # 40_2008 submitted on 23rd Sep 2008 displayed on website on 30th Sep 2008
    22 p. Prischepa O.M., Orlova L.., Chumakova O.V.
    pdf Directions of exploration for oil and gas in the north-eastern part of the Timan-Pechora petroleum province

    Preparation to licensing the new prospective for oil and gas directions of exploration is carried out at the expense of regional works conducted on budget money. The efficiency of regional works must be determined by demands for licenses on corresponding objects and total exploration directions. In the northern part of the Timan-Pechora petroleum province a share of explored reserves of ultimate potential resources is less than 50%. At the same time all its central parts are licensed and they don't provide the necessary level of renewal of hydrocarbon reserves. On the basis of generalizing geological-geophysical materials, the petroleum prospects of the Kosyu-Rogovsk and Korotaikhinsk depressions are considered; the program of exploration in their limits is proposed. Conducting seismic exploration and also drilling a stratigraphical well will allow estimating the prospects of the new important direction of exploration for oil and gas in the Timan-Pechora province already in the nearest future. It may become the object of active licensing and widening the oil and gas production base in the region
    Key words: regional exploration, prospects for oil and gas, stratigraphical well, Kosyu-Rogovsk and Korotaikhinsk depressions, Preduralian and Prednovozemelsk troughs.

    article reference Prischepa O.M., Orlova L.A., Chumakova O.V. Directions of exploration for oil and gas in the north-eastern part of the Timan-Pechora petroleum province // Neftegazovaya Geologiya. Teoriya I Praktika. - 2008. - V.3. - #3.- http://www.ngtp.ru/rub/4/40_2008.pdf



    Article # 39_2008 submitted on 3rd Jun 2008 displayed on website on 29th Sep 2008
    9 p. Fenin G.I., ravina .., Chumakova O.V.
    pdf roblems of development of pools with elevated and abnormal formation pressures (the case study of the inzyreiskoye oil field, iman-echora province)

    The geological peculiarities of structure and petroleum prospects of the sedimentary cover lower horizons of the Inzyreiskoye field are considered. Elevated and abnormal high formation pressures are found in the Lower Frasnian, Middle-Lower Devonian deposits of the field
    Key words: elevated and abnormal high formation pressure, Timan-Pechora oil-gas province, Inzyreiskoye field, petroleum prospects, abnormality coefficient, Devonian.

    article reference Fenin G.I., Travina T.A., Chumakova O.V. roblems of development of pools with elevated and abnormal formation pressures (the case study of the inzyreiskoye oil field, iman-echora province) // Neftegazovaya Geologiya. Teoriya I Praktika. - 2008. - V.3. - #3.- http://www.ngtp.ru/rub/4/39_2008.pdf



    Article # 4_2008 18th Feb 2008
    8 p. Fenin G.I., Starostina S.B., Chumakova O.V., Tolkova E.V., Schepelina T.N.
    pdf Examples of manifestation of abnormally high formation pressures in water-and-gas-saturated reservoirs, northern Timan-Pechora oil-gas province

    Some examples of manifesting the abnormally high formation pressures of a different type in water-and-gas saturated reservoirs, found in drilling the wells within the Laisky and Kolvinsky bars, Khoreiversky depression, Varandei-Adzvinsky aulacogen, and Severo-Preduralian trough, northern Timan-Pechora province, are considered.
    Key words: Timan-Pechora oil-gas province, abnormally high formation pressure, oil-gas complexes, reservoirs, technological data of drilling.

    article reference Fenin G.I., Starostina S.B., Chumakova O.V., Tolkova E.V., Shepelina T.N. Examples of manifestation of abnormally high formation pressures in water-and-gas-saturated reservoirs, northern Timan-Pechora oil-gas province // Neftegazovaya Geologiya. Teoriya I Praktika. - 2008. - V.3. - #1.- http://www.ngtp.ru/rub/4/4_2008.pdf







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