Differential Pressure
In well control,it is defined as the difference between the formation pressure and the bottomhole hydrostatic pressure. These are classified as overbalanced, underbalanced and balanced.
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Famous quotes containing the words differential and/or pressure:
“But how is one to make a scientist understand that there is something unalterably deranged about differential calculus, quantum theory, or the obscene and so inanely liturgical ordeals of the precession of the equinoxes.”
—Antonin Artaud (1896–1948)
“We believe that civilization has been created under the pressure of the exigencies of life at the cost of satisfaction of the instincts.”
—Sigmund Freud (1856–1939)