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G
G
G: See Gas.
G: The acceleration of gravity measured in ft/s
2
or m/s
2
. (1 G = 32 f/s
2
or
9.8m/s
2
.)
G&G: Geology and geophysics. See Geology and Geophysics.
Gage: A device for measuring a variable physical magnitude.
Gage Carrier: A downhole tool that houses gages.
Gage Diameter: The OD of a bit or tool used downhole.
Gage (Drilling): The diameter of the bit of the hole drilled by the bit when
there are no washouts.
Gage Hole: A drilled hole with no washouts; the same diameter as the bit.
Gage Joint: An older well design process of using a single joint of the heavi-
est wall casing in the well just below the wellhead. (Note: this restricts access ...