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An iron roughneck is a piece of hydraulic machinery used to "handle" (connect and disconnect) segments of pipe in a modern drilling rig. [1] The segments can be manipulated as they are hoisted into and out of a borehole .
Iron roughneck is also a specialized equipment used in oil drilling operations. [1] Whether the pipe is being fed into the wellbore or it is being taken out, the iron roughneck uses a rotary table and torque wrench(es) to make up or break down the pipe. [2] In Canada on land-based rigs, the term roughneck refers to the floorhand. [citation needed]
Iron roughneck; K. Kelly drive; L. List of components of oil drilling rigs; O. Offshore (hydrocarbons) Oil well dog house; Oil well fire; Glossary of oilfield jargon;
The AKF diagram is intended for rocks containing excess aluminium and silica. Its components are: A = Al 2 O 3 - (CaO + Na 2 O + K 2 O) K = K 2 O F = FeO + MgO + MnO. This diagram is less useful, because magnesium does not freely substitute for ferrous iron in many metamorphic minerals important in aluminium-rich rock.
Low-pressure phase diagram of pure iron. BCC is body centered cubic and FCC is face-centered cubic. Iron-carbon eutectic phase diagram, showing various forms of Fe x C y substances. Iron allotropes, showing the differences in structure. The alpha iron (α-Fe) is a body-centered cubic (BCC) and the gamma iron (γ-Fe) is a face-centered cubic (FCC).
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The historic street blocks that make up the French Quarter comprised the original town of New Orleans founded by the French in the early 1700s, and many of the buildings, known for their wrought ...
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