- 1. Improving reliability of drill pipe by strengthening of thread connections of its elements
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... Abstract: It is recommended to include surface strengthening by plastic deformation into technological process of manufacturing boring pipes and nipples connecting them, which are made of 40ХН ...
- Created on 19 August 2019
- 2. Development prospects of vertical joints of large diameter deep-water pipes (risers). Bayonet connections of risers
- (Geotechnical and mining mechanical engineering, machine building)
- ... placed in the space between the face ends of pipe sections or union threaded bushing screwed on the nipple end of the pipe section and therefore squeezing the bell-mouthed end of the connection section. ...
- Created on 13 November 2012