Tatsakovych N. Improvement of technical diagnostics method of oil and gas pipelines

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0410U001663

Thesis Registration Form

0410U001663.pdf

Applicant for

Tatsakovych Nazariy Lyubomyrovych

Specialization

05.15.13 - Трубопровідний транспорт, нафтогазосховища

Date of defense

12-03-2010

Specialized Academic Board

Д 20.052.04

Ivano-Frankivsk National University of Oil and Gas

Essay

Dissertation is devoted to the problem of improvement of technical diagnostics method of oil and gas pipelines. It is investigated and substantiated the possibility and feasibility of impact strength parameter to determine the actual technical state of pipelines and assess its remaining life. A new grapho-analytical method for calculating the remaining life of pipelines with a defect was developed. The principle of the new method is to calculate stress, in which the pipe defects will failure. The complex of experimental investigations was carried out to establish the existence and form of the relationship between the measurable parameters (hardness, coercive force and electromagnetic oscillations frequency of inductive transducer) and the actual values of impact strength of the pipeline material. On the basis of the dependencies a new non-destructive method for determining the impact strength of the material was developed. This method expands the number of informative measurable parameters that characterize the actual state of long-term operation metalware. The development of experimental sample of information and measuring system is one of the ways for work results implementation.

Thesis supervisor

Karpash Oleg Mykhaylovych

Official opponents

Білобран Богдан Степанович
Драгілєв Андрій Володимирович

Files

aref.doc

dis.doc

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