The HMS Group is a diversified machine-building and engineering holding company, a manufacturer of pumps, compressors, and oil & gas equipment which production and engineering assets are located in Russia, Ukraine, Belarus, and Germany.The function of chief executive body is carried out through the HMS Group Management Company LLC.The company's headquarters are located in Moscow, Russia.
The purpose of this paper is to generalize the experience of applying the thermo-gas-chemical treatment methods (TGCT) using binary mixtures based on ammonium nitrate to enhance the inflow at oil fields. More than a decade of industrial tests of binary mixtures injection into mature fields’ marginal wells showed a multiple long-term increase in oil inflow. The positive experience of TGCT application to Tatarstan oil fields strongly suggests the perspective of its application to the layers with high content of organic substance in rock matrix including Bazhenov formation reservoirs for those technologies have been only battle-tested. The development of mathematical methods for describing the TGCT process considering the multiphase and multi-component nature of the process, chemical reactions and transformation of the reservoir structure allow to respond to the features of each field at the macro scale, to identify micro-scale features and changes in the reservoir matrix structure, using a percolation approach, and allowed to assess the current state of the bottom-hole zone adequately and conduct pilot tests on specific wells in strict accordance with the established technological regulations and control of hydrodynamic parameters.
Abstract The paper considers mechanisms of well production increase by applying thermal-gas-chemical impact or liquid explosive injection in a pay zone. We have introduced the computing model for thermal-gas-chemical impact process for thoroughly investigation of different contribution on well post production. Numerical calculations of thermal effects on formation heating of particular well during thermal-gas-chemical impact showed that utilized explosive slug simply cannot cause actual increase of production rates and observed effect duration. Then we analyzed the contribution of pay zone cleaning from asphaltene, tar and paraffin precipitations. And finally the mechanism of micro fractures network formation was discussed. Assessments of required explosive concentrations and microfracturing parameters in thermal-gas-chemical impact were performed.
The article discusses factors influencing selection of pumping equipment for oil transport. Also it highlights issues relating improvement of efficiency of the main oil line pump operating at off-design modes.
The article reviews some questions regarding replaceable hydraulic parts (RHP) for pumps with spiral volute. A range of optimal pump parameters achievable using RHP is considered.
