TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Analysis of Stress Distribution in Casing-Grapple Contact Areas
(Analiza stării de tensiuni în burlanele de tubaj în zona de prindere în pene)
Vol LXV • No. 4/2013
Vlad Ulmanu, Alexandru Pupăzescu
Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti 39, Ploieşti
e-mail: pal@upg-ploieşti.ro

 Keywords   casing, grapple, FEM

 Abstract
The paper focuses on the analysis of the stress distribution developed in the contact zone between the casing and the grapples within a new grapple clamping system developed by an important petroleum equipment company. The analysis of stress distribution was made by using the Finite Element Method (FEM).

 Rezumat
Prezenta lucrare analizează starea de tensiuni dezvoltate în zona de contact dintre burlanul de tubaj şi elementele de susţinere din cadrul unui nou sistem constructiv de susţinere a burlanelor, elaborat de o firma importantă de echipament petrolier. Au fost determinate hărţile de tensiuni în zona de prindere atât pentru noul sistem de pene cât şi pentru un sistem clasic. S-au evidenţiat avantajele şi dezavantajele noului sistem de susţinere în pene a burlanelor de tubaj.



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