Improving the controllability and effectiveness of the chemical-technological process of the technology for hydrogen thermobaric chemical stimulation of hydrocarbon recovery

Authors

  • Oleg Kravchenko A. Pidgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine Pozharskoho str., 2/10, Kharkiv, Ukraine, 61046, Ukraine https://orcid.org/0000-0003-0048-6744
  • Dmytro Veligotskyi A. Pidgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine Pozharskoho str., 2/10, Kharkiv, Ukraine, 61046, Ukraine https://orcid.org/0000-0001-9075-2051
  • Artem Bashtovyi A. Pidgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine Pozharskoho str., 2/10, Kharkiv, Ukraine, 61046, Ukraine https://orcid.org/0000-0003-2283-6549
  • Yuliia Veligotska O. M. Beketov National University of Urban Economy in Kharkiv Marshala Bazhanova str., 17, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0002-0189-2624

DOI:

https://doi.org/10.15587/1729-4061.2019.188615

Keywords:

well, production stimulation, thermobaric chemical process, core sample, permeability, bottom-hole formation zone

Abstract

An innovative technology of complex hydrogen and thermobaric chemical effects (CHTBCE) on the productive formation of oil (gas) wells has been developed with the aim of stimulating hydrocarbon recovery. The basis of this technology is the integrated use of the anomalous properties of hydrogen under the conditions of a multistage thermal-gas-chemical chemical-technological process (CTP). Improving the effectiveness of the technology requires a significant improvement in the controllability of the underlying CTP.

An experimental complex has been created for studying the kinetics of thermobaric chemical processes and physical modeling of the complex effect, including hydrogen, on the change in the filtration-capacitive characteristics and rock permeability. The complex allows to reproduce the technological features of the implementation of the chemical-technological process, provides its course in conditions as close as possible to real reservoir.

It has been experimentally proved that by adding activators and inhibitors of chemical reactions to the base process fluids, it is possible to obtain different types of processes and their individual stages in the nature of the flow. It is shown how the use of hydroreactive agents based on aluminum makes it possible to obtain hydrogen and increase the permeability of rocks at the low-temperature stage of the process. The introduction of polymeric nitrile paracyanogen also activates and retains the high-temperature stage of the process at which hydrocracking of heavy hydrocarbons occurs.

A methodology for determining the most effective chemical-technological process of CHTBCE technology is proposed and developed. The method is based on a comparative analysis of the results of the effects of different types of CTP on the restoration of the permeability of formation damage rock core samples.

The research methodology created allows to experimentally determine the most effective CTP of the CHTBCE technology for use in wells with various reasons for the decrease in productivity

Author Biographies

Oleg Kravchenko, A. Pidgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine Pozharskoho str., 2/10, Kharkiv, Ukraine, 61046

Doctor of Technical Sciences, Senior Researcher, Head of Department

Department for Nonconventional Energy Technologies

Dmytro Veligotskyi, A. Pidgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine Pozharskoho str., 2/10, Kharkiv, Ukraine, 61046

Leading Engineer

Department for Nonconventional Energy Technologies

Artem Bashtovyi, A. Pidgorny Institute of Mechanical Engineering Problems of the National Academy of Sciences of Ukraine Pozharskoho str., 2/10, Kharkiv, Ukraine, 61046

Postgraduate Student

Department for Nonconventional Energy Technologies

Yuliia Veligotska, O. M. Beketov National University of Urban Economy in Kharkiv Marshala Bazhanova str., 17, Kharkiv, Ukraine, 61002

PhD, Associate Professor

Department of Architecture of Buildings and Structures and Design of Architectural Environment

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Published

2019-12-23

How to Cite

Kravchenko, O., Veligotskyi, D., Bashtovyi, A., & Veligotska, Y. (2019). Improving the controllability and effectiveness of the chemical-technological process of the technology for hydrogen thermobaric chemical stimulation of hydrocarbon recovery. Eastern-European Journal of Enterprise Technologies, 6(6 (102), 57–66. https://doi.org/10.15587/1729-4061.2019.188615

Issue

Vol. 6 No. 6 (102) (2019): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2019 Oleg Kravchenko, Dmytro Veligotskyi, Artem Bashtovyi, Yuliia Veligotska

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