- المجال: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A borehole that is drilled at an angle not perpendicular to the Earth's surface.
Industry:Mining
A borehole that is drilled at the toe of an earth dam as a relief for any high water pressure caused by the weight of the dam.
Industry:Mining
A borehole the diameter of which is excessive because of the whipping action or eccentric rotation of the drill string and bit.
Industry:Mining
A borehole-cementing operation using a downhole cement injector.
Industry:Mining
A borehole-drilling machine on which the bit-feeding mechanism is hydraulically actuated.
Industry:Mining
A borehole-drilling technique whereby the cuttings-removal agent is countercirculated through an inside flush-coupled-type drill string to deliver both the cuttings and core produced to a tray or container at the surface.
Industry:Mining