Efficient System of Oil Production

Isaev, A.A.; Takhautdinov, R. S.; Malykhin, V.I.; Sharifullin, A.A.

doi:10.30713/0207-2351-2018-11-49-54

Cited by 4 publications

(1 citation statement)

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“…In addition, one of the main points that reduce the cost of oil production of such facilities in the conditions of mechanized oil production is the optimization of the operation of downhole rod pumps (USP). It is this task that is key today, allowing the introduction of deposits of high-viscosity oil into development by reducing the level of economic profitability [7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

The effect of the viscosity of borehole products on the operation of pumping equipment and the coefficient of oil recovery

Mingulov,

Mukhametshin,

Vafin

et al. 2024

E3S Web Conf.

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The purpose of this work is to develop, create and adapt the technology for the implementation of viscosity determination of the extracted products. The scientific novelty of the work is based on the use of an up-to-date physical and mathematical apparatus for solving problems of effective field development, In the article for the Geppler viscometer to measure the viscosity of wellhead products in field conditions, the principle of viscosity measurement based on measuring the rolling time of a ball in a calibrated tube is proposed. The device allows you to measure the viscosity of both an oil-water medium with a residual amount of dissolved gas and completely degassed products. In laboratory conditions, a universal dependence of the viscosity of well products on the temperature of the liquid and its water content was obtained for oils from a number of fields in the Republic of Tatarstan, which allows calculating viscosity at different temperatures and water levels using a single viscosity measurement. An example of the application of the results of measuring the viscosity of products at the wellhead by a developed device for diagnosing the operation of a well under complicated conditions using a dynamic model, the error level of which allows it to be used and the data obtained to be successfully applied in the development and design of various measures, including those implemented to increase the inter-repair period of well operation. The model allows you to calculate loads and obtain a theoretical dynamogram of the pump's operation on liquids of various viscosities. The results obtained will significantly increase the efficiency of oil recovery and will in one way or another stimulate subsurface users to develop hard-to-recover reserves of liquid hydrocarbons, which will expand the activities of the fuel and energy complex of the Russian Federation.

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Section: Introductionmentioning

confidence: 99%

The effect of the viscosity of borehole products on the operation of pumping equipment and the coefficient of oil recovery

Mingulov,

Mukhametshin,

Vafin

et al. 2024

E3S Web Conf.

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Oil Production Stimulation by Creating a Vacuum in the Annular Space of the Well

Isaev¹,

Takhautdinov²,

Malykhin³

et al. 2019

Day 3 Fri, October 18, 2019

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A significant number of small oilfields on the territory of the Republic of Tatarstan are operated by small oil companies. These fields are mostly characterized by high oil viscosity and low formation pressures. Sheshmaoil Management Company LLC is a leading one among small oil companies of Tatarstan in many respects. The structure of Sheshmaoil Management Company LLC includes 7 small oil-producing companies, three of them (Sheshmaoil JSC, Ideloil JSC, Geotekh JSC) are actively engaged in R&D activities in the field of improving the oil production efficiency from wells through their evacuation. On the oilfields of Sheshmaoil JSC (Severnoye, Letneye, Novo-Sheshminskoye and Krasnooktyabrskoye fields), 19 local structures are under commercial development, the objects of which are oil deposits of carbonate sediments of the Bashkirian and Tournaisian stages, Vereiskian horizon, terrigenous sediments of the Aleksinsky and Tula-Bobrikovskiy horizons of the Early Carboniferous, Kynovskiy and Pashiyskiy horizons of the Late Devonian. 55 oil deposits confined to twelve local uplifts (Svetlogorskoye, Zagonnoye, Dachnoye, Novo-Kadeevskoye, Krasno-Klyuchevskoye, Kuteminskoye, Vostochno-Kuteminskoye, Yasakskoye, Sukhoye, Grivinskoye, Yuzhno-Ulyanovskoye, Serebryanno-Klyuchevskoye) have been identified within the area of the Dachnoye field of Ideloil JSC. Eight of them are confined to the carbonate deposits of the Vereiskian horizon, 8 — to the deposits of the Bashkirian stage, 1 deposit - to the Aleksinsky horizon, 13 deposits are confined to the deposits of the Tournaisian stage of Early Carboniferous. To terrigenous deposits of the following horizons: Tula - 4 deposits, Bobrikovskiy - 16 deposits, Kynovskiy - 5 deposits. 42 deposits of oil are under commercial development.

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Defining the Fracturing of Carbonate Reservoirs After Multistage Hydraulic Fracturing

Isaev¹,

Takhautdinov²,

Yunusov³

et al. 2022

Day 3 Thu, November 17, 2022

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Hydraulic fracturing is fundamental to optimizing the development of carbonate reservoirs at fields on the western slope of the South Tatar arch in the Republic of Tatarstan. The importance of hydraulic fracturing is becoming increasingly decisive for the exploration of oil fields as the total scope of hydraulic fracturing is increasing and, consequently, the share of man-made fracturing is also increasing. The paper proposes a solution to the problem of obtaining reliable data on the nature of newly formed conducting structures and the seepage flows of formation fluids during the development of producing formations, faced by oil and gas field operators. The article also provides the analysis results of the properties of a man-made fracturing and their spatial propagation, triggered by multistage fracturing (MSHF) in horizontal well ends. The studies revealed that increased volume of proppant injection leads to an expansion of fracture's dimensions, the length being more and the height much less, while the intensity of microseismic emission is correlated with the proppant flow rate. In the process of hydraulic fracture formation, concurrent activation of the existing natural fractures occurs. Increasing the injection volume leads to greater spatial coverage of the reactivation area of existing fractures. Based on the concept of critically stressed state of the rock massif, the obtained network of natural fracturing has been schematized. The identified fractures can be grouped into fracture systems with conditional kinematics according to the Coulomb-Anderson model as reverse faults of northwest extension with the azimuth of 146.79° (326.79°), as normal faults based on azimuth of HF fractures, as strike-slip faults of northeast and west-northwest extension with azimuths of 24° (204°) and 95 (275°), respectively. The obtained results mostly confirm the common nature of the spatial variation, the causes of its occurrence, and progression of a field of fractures Besides, to increase the efficiency of well operation the technology of gas evacuation from annular space of the well and its partial utilization by means of KOGS compressor unit was applied at the wells under examination (3292 and 3294).

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Efficient System of Oil Production

Cited by 4 publications

References 0 publications

The effect of the viscosity of borehole products on the operation of pumping equipment and the coefficient of oil recovery

The effect of the viscosity of borehole products on the operation of pumping equipment and the coefficient of oil recovery

Oil Production Stimulation by Creating a Vacuum in the Annular Space of the Well

Defining the Fracturing of Carbonate Reservoirs After Multistage Hydraulic Fracturing

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