Metamorphic aureole development technique in terms of Tuymazinskoye oil field

Yakupov, R. F.; Mukhametshin, V. Sh; Zejgman, Yu.V.; Chervyakova, A. N.; Valeev, M.D.

doi:10.24887/0028-2448-2017-10-36-40

Cited by 20 publications

(4 citation statements)

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“…The high efficiency of approaches to the development of this object made it possible to replicate the accumulated experience to objects with a similar geological structure. In this regard, the greatest prospects for the localization of remaining reserves are associated with their search by section and the use of various technologies for the recovery of remaining reserves [11][12].…”

Section: Methodsmentioning

confidence: 99%

Features of localization of remaining oil in terrigenous reservoirs and potential for their recovery at the final stage of field development

Mukhametshin,

Kuleshova,

Yakupov

et al. 2024

E3S Web Conf.

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The paper considers one of the unique fields in terms of geological reserves. The paper also analyzes the development of the D3ps formation sections of the Devonian terrigenous layer of the studied field. A detailed geological and hydrodynamic model was constructed based on the consolidation of all available information. An integrated analysis of actual well performance data, field geophysical tests, geological and technical measures, results of infill drilling, as well as geological and hydrodynamic modeling confirmed the localization of reserves primarily in the upper bed of D3ps.1. The analysis of all performed studies revealed higher values of current oil saturation in the upper bed – up to 0.8 unit fractions and lower values in the lower bed – up to 0.68 unit fractions. Similar results were obtained from 87 sidetracks. Drilling of wells and sidetracks is proposed in areas with no well stock. Despite the final stage and high degree of field development, the proposed strategy will support oil production levels, increase remaining recoverable reserves, increase the efficiency of reserve recovery and improve the economic performance of field development. The introduction of modern development technologies, approaches to the analysis and monitoring of development will increase the target value of the final recovery factor from 0.608 to 0.613 unit fractions, which, with a significant amount of in-place reserves, made it possible to increase the remaining recoverable reserves by 35%. The strategy will make it possible to achieve higher oil recovery rates. The approaches used to solve the tasks set in the study can be applied to the fields of the Volga region.

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Section: Methodsmentioning

confidence: 99%

Features of localization of remaining oil in terrigenous reservoirs and potential for their recovery at the final stage of field development

Mukhametshin,

Kuleshova,

Yakupov

et al. 2024

E3S Web Conf.

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“…Therefore, it is important to choose an optimal density of the well grid in order to achieve satisfactory technical and economic indicators with the maximum oil recovery. Identification of areas, the drilling of which is not economically viable (due to the low values of recoverable reserves), will allow for more rational use of funds [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Choosing well grid density for low productivity carbonate reservoirs

Kuleshova,

Gilyazetdinov,

Mukhametshin

et al. 2024

E3S Web Conf.

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Based on the analysis and generalization of the experience in developing various groups of low-productivity deposits in the carbonate reservoirs of the Volga-Ural oil and gas province, the article proposes geological and statistical dependencies that allow for a differentiated choice of grid density for wells both between selected groups of objects and within them, depending on the geological characteristics. Technical and economic calculations determined the drilling zones and helped select an optimal well grid density. Calculations were made using geological and commercial data on sufficiently studied deposits, which are currently in the final stage of operation. The results presented in this paper allow us to solve a wide range of field development tasks in order to extract residual oil reserves by drilling new wells with an individual design at each facility or drilling side shafts.

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“…Many researchers have studied and established the main reasons for water encroachment, the breakthrough of injected water through highly permeable and undersaturated layers [1]; pulling up the water cone from oil-water zones [2]; breakthrough of stratal waters from above and below-lying water beds along the borehole annulus [3]. Leakage of production strings in various water-saturated sections.…”

Section: Introductionmentioning

confidence: 99%

The process of monitoring the current condition of oil recovery at the production fields in Western Kazakhstan

Moldabayeva¹,

Suleimenova²,

Ахметов³

et al. 2021

J Appl Eng Science

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This paper discusses topical problems of further effective development of depleted oil fields (DOF) to increase their final oil recovery on the example of the oil field in Western Kazakhstan. Further exploitation of fields using waterflooding becomes unprofitable. At the same time, on average at these facilities, at least 50% of the reserves will remain unrecovered. Most of the oil fields in the Republic of Kazakhstan are at the late and final stages of development, which is characterised by an increase in the share of hard-to-recover oil reserves, a decrease in annual oil withdrawals, and a high water cut of the produced oil. Therefore, the problems of improving the technology aimed at reducing the volume of associated water production and increasing oil recovery from partially flooded deposits is very urgent. With an increase in the well density, the degree of field drilling and aging of the well stock, the work with the current declining well stock remains a very topical issue. Improving the efficiency of diagnostics and the systematic selection of wells for repair and isolation works is an important element for rationalising field development in the current conditions of profit variance in the oil and gas industry. The methods of bottomhole zone treatment also implement a deflecting effect on filtration flows. Therefore, this method includes a wide range of geological and technical measures: down-spacing; water production restraining; conformance control of injectivity profiles; forced production; all types of mechanical, thermochemical and thermal technologies. Consider a number of geological and technical measures that perform the tasks of occupational safety rules. Geological and statistical models are proposed for diagnosing wells for a premature increase of water production using factor analysis calculations for base production and Hall plots. Results. The degree of temperature influence of the primary components of the compounds on the rheology, filtration characteristics, and stability of inverted emulsions was determined. The classification of oil loss factors was carried out based on the results of downhole analysis and oil production losses were determined. Geological and statistical models for well diagnostics for premature increase in water production were built using factor analysis calculations for base production and Hall plots.

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Metamorphic aureole development technique in terms of Tuymazinskoye oil field

Cited by 20 publications

References 0 publications

Features of localization of remaining oil in terrigenous reservoirs and potential for their recovery at the final stage of field development

Features of localization of remaining oil in terrigenous reservoirs and potential for their recovery at the final stage of field development

Choosing well grid density for low productivity carbonate reservoirs

The process of monitoring the current condition of oil recovery at the production fields in Western Kazakhstan

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