References

tumnig

Известия высших учебных заведений. Нефть и газ

Oil and Gas Studies

0445-01083033-8174

Industrial University of Tyumen

10.31660/0445-0108-2023-2-41-61

tumnig-1111

Research Article

БУРЕНИЕ СКВАЖИН И РАЗРАБОТКА МЕСТОРОЖДЕНИЙ

DRILLING OF WELLS AND FIELDS DEVELOPMENT

Оценка технологической эффективности полимерного заводнения на примере пласта Ю2 Усть-Тегусской площади месторождения им. Малыка

An assessment of the technological effectiveness of polymer flooding: a case study of the J2 reservoir in the Ust-Tegusskaya area of the Malyka field

Кобяшев

А. В.

Kobyashev

A. V.

Кобяшев Александр Вячеславович, главный менеджер

г. Тюмень

Alexander V. Kobyashev, Chief Manager

Tyumen

Пятков

А. А.

Pyatkov

A. A.

Пятков Александр Александрович, кандидат физико-математических наук, ведущий специалист

г. Тюмень

Alexander A. Pyatkov, Candidate of Physics and Mathematics, Leading Specialist

Tyumen

aapyatkov@tnnc.rosneft.ru

Захаренко

В. А.

Zakharenko

V. A.

Захаренко Владимир Александрович, главный специалист

г. Тюмень

Vladimir A. Zakharenko, Chief Specialist

Tyumen

Елаев

И. О.

Yelaev

I. O.

Елаев Игорь Олегович, начальник управления

г. Тюмень

Igor O. Yelaev, Head of Management

Tyumen

Кушнарев

И. Б.

Kushnarev

I. B.

Кушнарев Игорь Борисович, начальник отдела

г. Тюмень

Igor B. Kushnarev, Head of Department

Tyumen

ООО «Тюменский нефтяной научный центр»РоссияTyumen Petroleum Scientific Center LLCRussian Federation

ООО «РН-Уватнефтегаз»РоссияRN-Uvatneftegaz LLCRussian Federation

2023

27052023

024161

2023

Кобяшев А.В., Пятков А.А., Захаренко В.А., Елаев И.О., Кушнарев И.Б.

Kobyashev A.V., Pyatkov A.A., Zakharenko V.A., Yelaev I.O., Kushnarev I.B.

Данная работа распространяется под лицензией Creative Commons Attribution 4.0.

This work is licensed under a Creative Commons Attribution 4.0 License.

https://tumnig.tyuiu.ru/jour/article/view/1111

В статье на основе изучения мирового опыта изложены подходы к обоснованию применения технологии полимерного заводнения. Проведено обобщение результатов лабораторных исследований для условий объектов с низкой вязкостью нефти. Эксперименты на образцах керна проницаемостью 116 и 527 мД показали потенциал увеличения коэффициента вытеснения нефти от полимерного заводнения на 10–15 % по сравнению со стандартным заводнением. Значения фактора остаточного сопротивления составили 5 и 2 для кернов проницаемостью 116 и 527 мД, соответственно. Такое распределение фактора остаточного сопротивления не позволит выровнять фронт вытеснения в пласте, а приведет к еще большей изоляции низкопроницаемых пропластков.

Выполнена оценка эффективности полимерного заводнения в условиях пласта Ю2 Усть-Тегусской площади месторождения им. Малыка с использованием синтетической модели одного из участков. Величина прироста коэффициента извлечения нефти может достигать 4 %. Установлен вклад в величину эффекта от полимерного заводнения таких параметров, как уровень адсорбции, неоднородность коллектора по проницаемости, наличие высокопроницаемых каналов, запас энергетики.

After reviewing global experience, the authors of the article outline approaches to justify the use of polymer flooding technology in their work. Results from laboratory studies on low viscosity objects are generalized. Polymer flooding has the potential to increase oil recovery by 10–15 % compared to standard flooding, as demonstrated by tests on core samples with permeabilities of 116 and 527 mD. The values of the residual resistance factor are 5 and 2 for cores of 116 and 527 mD, respectively. This distribution of the residual resistance factor will not only fail to smooth the displacement front in the reservoir, but it will also further isolate the low permeability interlayers.

The authors of the article used a synthetic model of one of the zones to evaluate the effectiveness of polymer flooding in the J2 reservoir in the Ust-Tegusskaya area of the Malyka field. The increase in the oil recovery factor can be up to 4 %. The contribution of parameters such as the level of adsorption, reservoir heterogeneity in terms of permeability, the presence of highly conductive channels and the energy reserve to the magnitude of the effect of polymer flooding has been established.

полимерное заводнениедеструкция полимерафактор остаточного сопротивленияприрост коэффициента вытесненияадсорбция полимера

polymer floodingpolymer degradationresidual resistance factorenhanced oil recovery factoradsorption

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The authors declare that there are no conflicts of interest present.