... injectivity and injection ratio, as well as the sweep efficiency in linear development systems, have been identified. Recommendations on the further research program for horizontal injection wells and on improving the efficiency of this waterflooding method were given. The study is important due...

... decrease due to the achievement of injection pressure limitation due to the increased viscosity of the fluid and, as a result, lower efficiency at the end of the effect compared to conventional polymer flooding. It is shown that the assessment of the results of the impact on the reservoirs significantly...

... depends. Secondly, the viscosity of the polymer solution and, consequently, the sweeping efficiency during SP flooding depends on the temperature. In this article, the temperature profile was evaluated in the SP flooding pilot site, where flooding with unheated water was carried out for 12 years...

... stimulation methods that increase the oil displacement efficiency. The deterioration of the reservoir properties poses new challenges for specialists and leads to the evolution of approaches to the development of hard-to-recover reserves and the selection of targeted technologies for specific geological...

...D. R. Yulmukhametov; I. V. Sudeev The purpose of carrying out various types of well interventions is to increase the share of profitable interventions and improving the economic efficiency of the interventions program as a whole. Changing the number of interventions has an impact on the share...

... давление, необходимое для возобновления перекачки. upstream oil & gas russ university neft nipal 3 pipeline abnormal liquid efficiency asia government yakupov non isothermal pipeline seasonally neftey shabarov yandex midstream oil & gas publ moscow doi vakulin...

... a practical implementation of the recoverable production efficiency module on the example of the Gazprom Neft operating fields. The full cycle process involves both a high-level assessment of the current object/field development condition and the detection of possible geological, technological...

... structure. Blocks 2 and 3 have system of more extensional and permeable fractures, for this reason water injection at these objects is low efficiency. Therefore, Block 1 with a more uniform and much less dense system of microcracks was chosen as the main area for considering the enhanced oil recovery...

... as the uncertainty in determining wellbore position relative to the formation boundaries. In this regard, there are risks of unstable argillites and coals entering the intervals, which can lead to emergency situations, as well as decrease efficiency of horizontal wells drilling. The small investigation radius...

...A. V. Khokhlov; E. V. Bembak; A. S. Kozyrev; A. V. Mishin; D. D. Krepostnov Today the solids control efficiency (SCE) and the drilled solids content are of high importance. The SCE impact on technical and economic indicators of well drilling in Western Siberia has been analyzed based...

... with the introduction of object models will allow to implement such approaches as Product Life Management (PLM) aimed at reducing well downtime, likelihood of accidents and increasing the efficiency of logistics; and Building Information Modeling (BIM) to reduce costs and errors in field infrastructure designing...

... cooling devices. Specialists in do not take into account the decrease in the efficiency of seasonally operating cooling devices when compiling calculation models. As a result technical solutions for pile foundations in a certain period of operation may not perceive the design load. Considering the harsh...

... of artificial oil production, the algorithm of which integrates the calculation of individual criteria (operating time to failure, feed ratio, net discounted income, efficiency of ranges, significance of parameters) into a single methodology - the method of optimal ranges adapted for use as a digital tool...

... results on the development and application of new technology of catalytic aquathermolysis to improve the efficiency of heavy oil production in case of Boca de Jaruco field. The main stages of work are considered: from laboratory studies to determine changes in oil properties and displacement efficiency...

... to evaluate residual oil saturation after water flooding and after implementation of chemical EOR in the near wellbore areas. The difference between the obtained values is a measure of the efficiency of SP flooding. Two SWCTT were conducted with same surfactant, but different design of slugs in order to prove...

...E. V. Kudin; I. V. Kurguskina; Nguyen The Dzung One of the main method for field development for the last decades is the reservoir flooding technique. Regardless of the efficiency, this method allows recovering only insignificant volume of reserves and, therefore, requires the detailed studying...

... as alkyltoluene). The washing action of the surfactant composition described in the article is achieved due to the synergistic action of the mixture of surfactants and nonionic surfactants. As a result of the mixed micelles formation, the solubilization efficiency of both hydrocarbon and polar heteroatomic oil...

...D. I. Kharlamova; K. A. Kharlamov; Sh. R. Ganiev; L. M. Zhdanov; V. Yu. Nikitenko; M. A. Fatkhlislamov The article discusses approaches to creating a smart tool for operational evaluation of the efficiency of the development system by dividing the field sites (development blocks) into ranks...

... of desorbing of water-dissolved gases, however literature about ultrasound waves used for gas removal, in particular, hydrogen sulfide removal from crude oil, is scarce. The efficiency of ultrasound wave stimulation of the hydrogen sulfide stripping process is controlled by physicochemical properties...

... to create a scheduling software. One of the two offered algorithms was used for the software engineering. For each pump station, the software program calculates possible scenarios of shutdown distribution over the control intervals and analyzes the cost efficiency. The output results are the facilities...