Mikhail Rogachev

Mikhail Rogachev
Saint Petersburg Mining University · Department of Petroleum Engineering

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11
Publications
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132
Citations

Publications

Publications (11)
Article
Full-text available
The current state of development of oil fields with a low permeable polymictic reservoir is considered. The effectiveness of the use of surface-active substances in the waterflooding system, while treating the bottomhole zone of the well, is proved. The results of experimental studies of the composition of surfactants for injection into low-viscosi...
Article
Full-text available
There are oil fields, wherein favorable conditions for the formation damage induced by wax deposition are created during production. The damage can be expressed by a decrease in porosity and permeability and a reduction in the drainage area. There are only a few unconventional fields, and this makes them unique. To prevent this complication, it is...
Article
Full-text available
The purpose of this study is to evaluate the degree of formation damage caused by asphaltene deposition in the pore throats in case of oilfield operation. Many wells in the Samara region oilfields are operated under high reservoir drawdown, with downhole pressure lower than the bubble point. Such wells’ operating conditions lead to a change in oil...
Article
The objective of this paper is selection the appropriate well operation conditions and effective wax inhibitor to reduce impact of wax in oil on production. The field operation is complicated with formation of wax deposits in flowlines and tubings due to high wax concentration in oil and improper wells operation. Expensive selection of effective wa...
Article
The objective of this research is a definition of wax-precipitation conditions in waxy oil (a kind of oil that intends to produce high-molecular-weight paraffins during production) at various thermobaric conditions taking place in oil wells, and also proposing a method for the determination of the potential wax-formation depth in a well. In most ca...
Article
Full-text available
This article reveals the current state and problems of the Russian oil production sector. Physicochemical enhanced oil recovery methods are proposed as a solution. The investigation of surfactant treatment efficiency and their integrated effect on oil and reservoir rock is conducted as well as its applicability analysis for low permeable poly-miner...
Article
Full-text available
The objective of this research is to estimate individual effect of various external parameters such as pressure, cooling rate, watercut and addition of mechanical impurities on change in wax appearance temperature (WAT) in oil. In this paper, complex multicomponent system like oil is replaced to simplified model solution, presented by wax in kerose...
Article
The objective of this research is to simulate the impact of well operation conditions on wax precipitation in an oil sample, and to predict the wax-free well flowrate. Laboratory studies help producers to protect oil wells from potential problems. The maximum rise of simulated well operation conditions to in situ oil recovery leads to oilfield prac...
Article
Full-text available
Low-permeability inhomogeneous reservoir displacement experiments were conducted using new waterproofing polymer solution GPS-1, and its fluid diversion ability was analyzed. There were three types of displacement experiments (nine experiments in total) in homogeneous cores, inhomogeneous oil- and water- saturated cores. Experimental results show t...
Article
The report is devoted to the estimation of intensity of display of quasi-viscous properties of oils of depositions of bottom and medial Carbon. By the studies held earlier it has been demonstrated, that at the increased maintenance in oils of asphaltic-resinous components and paraffins filtering of oils in formation takes place with deflections fro...
Article
The pdf file of this paper is in Russian. To purchase the paper in English, order SPE-117385-MS. The report is devoted to the estimation of intensity of display of quasi-viscous properties of oils of depositions of bottom and medial Carbon. By the studies held earlier it has been demonstrated, that at the increased maintenance in oils of asphaltic-...

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