jbug5806
jbug5806 jbug5806
  • 06-03-2019
  • History
contestada

Why would oil drillers call the Hughes Rock Bit the "rock eater"?

Respuesta :

camdaman519 camdaman519
  • 07-03-2019

Hughes's two-cone rotary drill bit, nicknamed "rock eater", penetrated medium and hard rock with ten times the speed of any former bit

Answer Link

Otras preguntas

Study the map.A map shows the leading religions in various European countries. The map indicates with dark orange shading that the leading religion in Albania,
(commonlit) the stanford prison experiment please help me thank you :) ​
The Beginner's American History by D. H. Montgomery (adapted excerpt) The King's Order In 1763, the war with the French ended with the English gaining possessio
List the word from the sentence below that should come BEFORE a semicolon.The university hopes to minimize the effects of budget cuts classes are being cut.
how to memorize all the states, capitals, and where they are​
how to memorize the formula for photosynthesis​
Can someone help me please
Find a point on the line and the line's slope. y - 2 = 2(x - 4)
La palabra que se refiere a la creencia en circunstancias favorables o adversas para una persona es la
is Louisiana a dram shop state​