10 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
Double spiral cut
Mining; General mining
A cylindrical drill-round cut whose spiral hole pattern gives the widest opening and permits opposite holes to be ignited successfully. This gives the best cleaning of the opening and safety in the ...
Die collar
Mining; General mining
A cylindrical fishing tool having an upward-tapered inside surface provided with hardened threads. When slipped over the upper end of lost, cylindrical, downhole drilling equipment and turned, the ...
Die nipple
Mining; General mining
A cylindrical fishing tool having an upward-tapered inside surface provided with hardened threads. When slipped over the upper end of lost, cylindrical, downhole drilling equipment and turned, the ...
Box bill
Mining; General mining
A cylindrical fishing tool having an upward-tapered inside surface provided with hardened threads. When slipped over the upper end of lost, cylindrical, downhole drilling equipment and turned, the ...
Bell
Mining; General mining
A cylindrical fishing tool having an upward-tapered inside surface provided with hardened threads. When slipped over the upper end of lost, cylindrical, downhole drilling equipment and turned, the ...
Die
Mining; General mining
A cylindrical fishing tool having an upward-tapered inside surface provided with hardened threads. When slipped over the upper end of lost, cylindrical, downhole drilling equipment and turned, the ...
Keg
Mining; General mining
A cylindrical container made of steel or some other substance, which contains 25 lb (11.4 kg) of blasting powder or gunpowder. Any small cask or barrel having a capacity of 5 to 10 gal (18.9 to 37.9 ...
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