УДК 622.692.4:620.1

 

R.A. Kharisov (Ufa State Petroleum Technological University),

A.M. Latypov, K.A. Sazonov (Institute of Energy Resources Transportation GUP)

 

THE STRAIN ENERGY DENSITY AND SAFETY CHARACTERISTICS OF THE EQUIPMENT COMPONENTS OF OIL AND GAS INDUSTRY RELATIONSHIP

 

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.

 

 

Key words: stability, strength, energy density, resistance, brittle fracture, specific energy.

 

Literature

1. Filin A.P. Prikladnaya mekhanika tverdogo deformiruyemogo tela (Applied mechanics of a solid deformable body). Moscow: Nauka, 1975. 832 p.

2. Tomsen E., Yang I., Kobayashi Sh. Mekhanika plasticheskikh deformatsiy pri obrabotke metallov (Mechanics of plastic deformations during metal work-ing). Moscow: Mashinostroyeniye, 1968. 504 p.

3. Kachanov L.M. Osnovy teorii plastichnosti (Fundamentals of the theory of plasticity). Moscow: Nauka, 1969. 420 p.

4. Mak Lin D. Mekhanicheskiye svoystva metallov (Mechanical properties of metals). Moscow: Metallurgiya, 1965. 431 p.

5. Makhutov N.A. Deformatsionnyye kriterii razrusheniya i raschet elementov konstruktsiy na prochnosty (Deformation criteria of destruction and strength design of the structural elements). Moscow: Mashinostroyeniye, 1981. 272 p.

6. Gidravlicheskiye ispytaniya deystvuyushchikh nefteprovodov (Hydraulic tests of operating oil Pipelines) / R.S. Zaynullin, A.G. Gumerov, Ye.M. Morozov, V.Kh. Galyuk. Moscow: Nedra, 1990. 224 p.

7. Lobanov L.M. et all. Osnovy proyektirovaniya konstruktsiy. Svarnyye stroitelynyye konstruktsii (Fundamentals of construction design. Welded building constructions) / L.M. Lobanov, V.I. Makhnenko, V.I. Trufyakov. Kiev: Naukova Dumka, 1993. 416 p.

8. Vinokurov V.A. Svarnyye konstruktsii. Mekhanika razrusheniya i kriterii rabotosposobnosti (Mechanics of destruction and criteria of serviceability) / V.A. Vinokurov, S.A. Kurkin, G.A. Nikolaev, pod red. B.Ye. Patona. Moscow: Mashinostroyeniye, 1996. 576 p.

9. Zaynullin R.S. Resurs truboprovodnykh system (Safe life of pipeline systems). Ufa: Izd-vo «BESTS», 2005. 836 p.

10. Kharisov R.A., Kantemirov I.F. Otsenka fakticheskoy stepeni napryazhennosti elementov truboprovodnykh sistem pri ekspluatatsii // NTZh «Problemy sbora, podgotovki i transporta nefti i nefteproduktov» (Assessment of Actual Stress Degree of Pipeline System's Elements During Operation // STJ «Problems of Gathering, Treatment and Transportation of Oil and Oil Products») / IPTER. Ufa, 2011. Vyp. 3 (85). P. 84-90.

11. Gallyamov A.M., Kharisov R.A., Kantemirov I.F. Otsenka prochnosti trub s kombinirovannymi treshchinopodobnymi povrezhdeniyami // NTZh «Problemy sbora, podgotovki i transporta nefti i nefteproduktov» (Evaluation of the Strength of Popes with Combined Crack-Like Damages // STJ «Problems of Gathering, Treatment and Transportation of Oil and Oil Products») / IPTER. Ufa, 2011. Vyp. 1 (83). P. 86-91.

12. Gumerov A.G., Kharisov R.A., Kantemirov I.F., Latypov A.M.  Obshchie zakonomernosti formirovaniya kharakteristik bezopasnosti obyyektov nefteprovodnogo transporta // NTZh «Problemy sbora, podgotovki i transporta nefti i nefteproduktov» (General Principles of Forming Safety Characteristic of Oil Pipeline Transport Facilities // STJ «Problems of Gathering, Treatment and Transportation of Oil and Oil Products») / IPTER. Ufa, 2011. Vyp. 3 (85). P. 125-132.

 

The authors

 

Kharisov Rustam A.

Ufa State Petroleum Technological University

Assistant Professor of  Pipelines and Oil and Gas Storages

Installation and Repairing Chair

Russian Federation, 450062, Ufa, ul. Kosmonavtov, 1

tel: (347) 242-08-14

e-mail: romeo-ugntu-ufa@mail.ru

 

Latypov Azamat M.

Institute of Energy Resources Transportation GUP

Post-graduate Student

Russian Federation, 450055, Ufa, pr. Oktyabrya, 144/3

tel: (347) 284-37-58, 284-38-16

e-mail: azamat-lm@yandex.ru

 

Sazonov Konstantin A.

Institute of Energy Resources Transportation GUP

Post-graduate Student

Russian Federation, 450055, Ufa, pr. Oktyabrya, 144/3

tel: (347) 284-37-58, 284-38-16