- 行业: 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 cased drill hole penetrating a salt formation through which water is introduced and brine pumped to the surface.
Industry:Mining
A casein plastic used for molding many common objects and possibly for inferior gem imitations; sp gr, about 1.33; refractive index, 1.53 to 1.54.
Industry:Mining
A casing shoe set with diamonds. Often used for a one-shot attempt to drill casing down through overburden to bedrock.
Industry:Mining
A casing shoe set with diamonds. Often used for a one-shot attempt to drill casing down through overburden to bedrock.
Industry:Mining
A casing shoelike bit used to drill downward around a piece of drilling equipment stuck in a borehole.
Industry:Mining
A casing-to-drill-rod coupling. When attached to the top of the casing, it is used during the process of pumping cement slurries or circulating water through the casing, forcing the fluid to flow out of the casing into the drill hole between the outside of the casing and the walls of the borehole.
Industry:Mining
A chamber designed to contain packing and to maintain a fluid-tight joint about a piston rod where it enters a cylinder or around a drill rod where it enters the casing at the collar of a borehole.
Industry:Mining
A casing-to-drill-rod coupling. When attached to the top of the casing, it is used during the process of pumping cement slurries or circulating water through the casing, forcing the fluid to flow out of the casing into the drill hole between the outside of the casing and the walls of the borehole.
Industry:Mining
A cast iron box surrounding an electric cable joint, often filled with insulation after the joint between cables has been made.
Industry:Mining
A cast iron consisting of graphite in a matrix of austenite. It contains 3.0% carbon, 14.0% nickel, 6.0% copper, 2.0% chromium, and 1.5% silicon; it has a high resistance to growth, oxidation, and corrosion.
Industry:Mining
