Abstract
This paper reports full-scale tests on threaded connections used in drill strings. A concise background is given concerning the in-service environment and loading conditions on the connections. This details some of the reasons particular steels are used in preference to others. Crack growth data is given for ten full-scale axial and rotating bend tests. This is compared with predictions from a dedicated weight function fracture mechanics solution designed for threaded connections. Crack aspect ratio is considered with a view to development of an appropriate empirical model.
Original language | English |
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Pages (from-to) | 126-132 |
Number of pages | 7 |
Journal | Journal of Offshore Mechanics and Arctic Engineering |
Volume | 117 |
Issue number | 2 |
DOIs | |
Publication status | Published - 1 May 1995 |
Keywords
- fatigue
- drill strings
- fracture
- steel
- weight
- fracture mechanics