Assessment and prediction of robotic performance of long-term operated drill pipes

Authors

  • Ye. І. Kryzhanivskyy
  • О. Yu. Vytyaz Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska Street Ivano-Frankivsk Ukraine, 76019
  • R. S. Hrabovskyi Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska Street Ivano-Frankivsk Ukraine, 76019

DOI:

https://doi.org/10.31471/1993-9965-2020-2(49)-7-17

Keywords:

Key words: drill pipe, diagrams of cyclic corrosion crack resistance, corrosion-fatigue cracks, threshold and critical stress intensity factors, threshold depth of the corrosion-fatigue semielliptic crack crack.

Abstract

The problem of monitoring and preventing deposit inundation is becoming increasingly important in Ukraine. The solution to this problem is one of the ways to ensure the energy independence of the state. The operation of producing wells is complicated by the accumulation of liquid at the bottom. Subsequently, it leads to premature shutdown of the wells. Inundation determines the need to isolate the influx of formation water. Considering the significant residual reserves of gas trapped in water, it is important to improve existing technologies and to develop new ones for the development of depleted fields under the conditions of dynamic water drive in order to ensure maximum hydrocarbon recovery rates. This paper summarizes domestic and foreign field development technologies under water pressure conditions and analyzes the main disadvantages and advantages of the existing methods of stimulating hydrocarbon inflows in waterlogged gas and gas condensate wells. The main factors that determine the causes and nature of flooding of productive formations and ways to prevent them are analyzed. Based on the results of the analysis of laboratory and experimental studies, the  behavior of gas trapped by brine water has been established.But the issue of determining the localization of residual reserves has not been studied sufficiently. Considering the above mentioned ideas, the author asserts the necessity to and to use geological and technological models constantly. It ensures better extraction of the residual gas from depleted fields under the condition of intensive advance of reservoir water into productive formations. In the case of adapting the three-dimensional model to the actual data of the production history and the simulation of  the exact breakthrough of produced water in production wells, there comes the possible to determine the most promising zones and sections of the field, the reservoirs of which are characterized by the best filtration-capacitive properties and significant gas reserves. The use of a constantly operating geological and technological model of the field will make it possible to develop ways of extracting the residual gas reserves trapped in produced water, to improve existing production technologies and to  ensure maximum recovery factors.

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References

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Published

2020-12-30

How to Cite

Крижанівський, Є. І., Витязь, О. Ю., & Грабовський, Р. С. (2020). Assessment and prediction of robotic performance of long-term operated drill pipes . Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas, (2(49), 7–17. https://doi.org/10.31471/1993-9965-2020-2(49)-7-17

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