INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS

Relevance. The West Siberian region is currently one of the largest oil and gas provinces in Russia, but the problem of declining production is becoming more frequent there. This phenomenon is caused by various reasons, however the most frequent ones are such as lowering of formation permeability an...

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Main Authors: Denis A. Bychkov, Pavel N. Zyatikov
Format: Article
Language:Russian
Published: Tomsk Polytechnic University 2023-03-01
Series:Известия Томского политехнического университета: Инжиниринг георесурсов
Subjects:
Online Access:http://izvestiya.tpu.ru/archive/article/view/3932/2910
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author Denis A. Bychkov
Pavel N. Zyatikov
author_facet Denis A. Bychkov
Pavel N. Zyatikov
author_sort Denis A. Bychkov
collection DOAJ
description Relevance. The West Siberian region is currently one of the largest oil and gas provinces in Russia, but the problem of declining production is becoming more frequent there. This phenomenon is caused by various reasons, however the most frequent ones are such as lowering of formation permeability and productivity factor due to various complications of oil production in the bottomhole zone (bottomhole formation zone). As a result, it becomes necessary to carry out work to increase or restore the filtration-capacitance properties of the reservoir. The method of acid treatment of productive reservoirs, which contributes to the intensification of oil inflow into the well, has been actively used in the fields of Western Siberia. However, a significant part of the treatments does not give positive results. Improving the efficiency of acid treatments of wells is one of the main tasks of oil production today, which largely determines the relevance of this study. The purpose of this work is to analyze the degree of expediency of hydrochloric acid treatment in the field and determine the most appropriate method of treatment for carbonate reservoirs of the West Siberian field. Results. The principle of effect and peculiarities of the hydrochloric acid treatment for reservoirs of carbonate structure was studied. The choice and expediency of application of the technology in these conditions was substantiated.
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spelling doaj.art-d788c03aa263406fa3f401bc5902114c2023-04-03T04:23:07ZrusTomsk Polytechnic UniversityИзвестия Томского политехнического университета: Инжиниринг георесурсов2500-10192413-18302023-03-013343172510.18799/24131830/2023/3/3932INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDSDenis A. Bychkov0Pavel N. Zyatikov1National Research Tomsk Polytechnic University; JSC «TomskNIPIneft»National Research Tomsk Polytechnic University; National Research Tomsk State UniversityRelevance. The West Siberian region is currently one of the largest oil and gas provinces in Russia, but the problem of declining production is becoming more frequent there. This phenomenon is caused by various reasons, however the most frequent ones are such as lowering of formation permeability and productivity factor due to various complications of oil production in the bottomhole zone (bottomhole formation zone). As a result, it becomes necessary to carry out work to increase or restore the filtration-capacitance properties of the reservoir. The method of acid treatment of productive reservoirs, which contributes to the intensification of oil inflow into the well, has been actively used in the fields of Western Siberia. However, a significant part of the treatments does not give positive results. Improving the efficiency of acid treatments of wells is one of the main tasks of oil production today, which largely determines the relevance of this study. The purpose of this work is to analyze the degree of expediency of hydrochloric acid treatment in the field and determine the most appropriate method of treatment for carbonate reservoirs of the West Siberian field. Results. The principle of effect and peculiarities of the hydrochloric acid treatment for reservoirs of carbonate structure was studied. The choice and expediency of application of the technology in these conditions was substantiated.http://izvestiya.tpu.ru/archive/article/view/3932/2910geological and technical measurescarbonate reservoirhydrochloric acid treatment under pressurehydrochloric acid solutioninhibitorhydrochloric acid intensifierwells pressure testing
spellingShingle Denis A. Bychkov
Pavel N. Zyatikov
INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS
Известия Томского политехнического университета: Инжиниринг георесурсов
geological and technical measures
carbonate reservoir
hydrochloric acid treatment under pressure
hydrochloric acid solution
inhibitor
hydrochloric acid intensifier
wells pressure testing
title INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS
title_full INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS
title_fullStr INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS
title_full_unstemmed INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS
title_short INTENSIFICATION OF OIL INFLOW FROM CARBONATE RESERVOIRS FOR THE CONDITIONS OF THE WESTERN SIBERIA FIELDS
title_sort intensification of oil inflow from carbonate reservoirs for the conditions of the western siberia fields
topic geological and technical measures
carbonate reservoir
hydrochloric acid treatment under pressure
hydrochloric acid solution
inhibitor
hydrochloric acid intensifier
wells pressure testing
url http://izvestiya.tpu.ru/archive/article/view/3932/2910
work_keys_str_mv AT denisabychkov intensificationofoilinflowfromcarbonatereservoirsfortheconditionsofthewesternsiberiafields
AT pavelnzyatikov intensificationofoilinflowfromcarbonatereservoirsfortheconditionsofthewesternsiberiafields