<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The development of oil fields at a late stage is characterized by a number of complications that determine the features of the operation of downhole equipment in pumping units. The use of electric-centered pumps in wells with intervals of increased curvature intensity requires a preliminary analysis of the possibility of lowering and operating the equipment at design depths. The aim of research is development of a new approach to evaluation the stress-strain state of pumping equipment, taking into account the features of the inclinometry of the intervals of its location. The analysis of the results of previous studies of the influence of the well profile on the operation of pumping equipment and recommendations for ensuring its performance is carried out. Given the possibility of operating equipment with limited levels of deformation, a mechanism is proposed for evaluation its stress-strain state using software products based on the finite element method. The reliability of the results is confirmed by comparison with those obtained in the course of analytical studies performed according to a previously tested methodology. Application of the proposed approach will allow to assess the level of deformation of individual elements of the equipment installations, taking into account their design features and the results of inclinometry.</p></abstract>

The development of oil fields at a late stage is characterized by a number of complications that determine the features of the operation of downhole equipment in pumping units. The use of electric-centered pumps in wells with intervals of increased curvature intensity requires a preliminary analysis of the possibility of lowering and operating the equipment at design depths. The aim of research is development of a new approach to evaluation the stress-strain state of pumping equipment, taking into account the features of the inclinometry of the intervals of its location. The analysis of the results of previous studies of the influence of the well profile on the operation of pumping equipment and recommendations for ensuring its performance is carried out. Given the possibility of operating equipment with limited levels of deformation, a mechanism is proposed for evaluation its stress-strain state using software products based on the finite element method. The reliability of the results is confirmed by comparison with those obtained in the course of analytical studies performed according to a previously tested methodology. Application of the proposed approach will allow to assess the level of deformation of individual elements of the equipment installations, taking into account their design features and the results of inclinometry.

Evaluation the Stress-Strain State of Pumping Equipment in the Curvilinear Sections of the Wells

Ivano-Frankivsk National Technical University of Oil and Gas

Research and Development Institute Public Joint Stock Company “Ukrnafta”

Management Systems in Production Engineering

This work is licensed under the Creative Commons Attribution 4.0 Public License.

The development of oil fields at a late stage is characterized by a number of complications that determine the features of the operation of downhole equipment...

Evaluation the Stress-Strain State of Pumping Equipment in the Curvilinear Sections of the Wells

Publicado en línea: 17 jul 2020

Páginas: 189 - 195

Recibido: 01 ene 2020

Aceptado: 01 jun 2020

DOI: https://doi.org/10.2478/mspe-2020-0028

Palabras clave
well, inclinometry, pumping equipment, deformation, stress

© 2020 Andriy Dzhus et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 Public License.

Evaluation the Stress-Strain State of Pumping Equipment in the Curvilinear Sections of the Wells

Publicado en línea: 17 jul 2020

Páginas: 189 - 195

Recibido: 01 ene 2020

Aceptado: 01 jun 2020

DOI: https://doi.org/10.2478/mspe-2020-0028

Palabras clavewell, inclinometry, pumping equipment, deformation, stress

© 2020 Andriy Dzhus et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 Public License.

Palabras clave
well, inclinometry, pumping equipment, deformation, stress