The strain energy density and safety characteristics of the equipment components of oil and gas industry relationship

Rustam A. Kharisov, Azamat M. Latypov, Konstantin A. Sazonov

Аннотация


Background
Reliability of oil and gas industry is an important factor of stability and growth of the economy, allowing the state to regulate the energy supply to the external market as well as to meet the needs of the country.
The main objective of the safe operation of oil and gas equipment and pipelines, particularly long-exploited, is to reduce the failures associated with the destruction of the metal pipes. To solve it is necessary to develop optimal regimes of loading equipment and pipelines, depending on their useful life, to apply science-based technology of pipelines re-test, of pipe wall rehabilitation, not only by welding of corrosion pits and patches couplings, but also the restoration of the plastic properties of the metal pipes in the capital repairs, etc. The solution to this technical policy virtually impossible without the knowledge of the physical state of the metal operated equipment and pipelines, which is largely determined by their degree of strain aging.
Most of the calculations of predicted and residual resources are based on the deformation and strength characteristics of the established standard tensile test specimens under axial tension to failure. However, the data for evaluating the estimated relationship between deformation and strength properties of steels for oil and gas production equipment and pipelines are of great practical significance.
Aims and Objectives
Paper investigates the relationship of the deformation, strength and power characteristics of the basic elements and samples of them under static loading.
Conclusion
The strain energy density and safety characteristics of the equipment components of oil and gas industry relationship is obtained by the analysis of patterns and expansion diagrams.

Ключевые слова


stability;strength;energy density;resistance;brittle fracture;specific energy;

Полный текст:

HTM (English)

Литература


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DOI: http://dx.doi.org/10.17122/ntj-oil-2011-4-126-129

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(c) 2011 НАУЧНО-ТЕХНИЧЕСКИЙ ЖУРНАЛ «ПРОБЛЕМЫ СБОРА, ПОДГОТОВКИ И ТРАНСПОРТА НЕФТИ И НЕФТЕПРОДУКТОВ»