core barrel मीनिंग इन हिंदी

उदाहरण वाक्य

1. Longyear's company developed the wire-line retrieved Q core barrel.
2. IRM is often induced in drill cores by the magnetic field of the steel core barrel.
3. The core barrel and the reactor vessel wall form a cylindrical shell that is referred to as the downcomer.
4. Most full cores from any significant depth expand and fracture as they are brought to the surface and removed from the core barrel.
5. The core barrel is composed of 8 parallel strands that make up the central beta sheet, with helices located in between consecutive strands.
6. Often the plug breaks while drilling, usually in shales or fractures and the core barrel jams, slowly grinding the rocks in front of it to powder.
7. It is cut with a " core barrel ", a hollow pipe tipped with a ring-shaped diamond chip-studded bit that can cut a plug and bring it to the surface.
8. Collection of a long core record thus requires many cycles of lowering a drill / barrel assembly, cutting a core 4 6 m in length, raising the assembly to the surface, emptying the core barrel, and preparing a drill / barrel for drilling.