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WAG: See Water-alternating gas.
Wait and Weigh Method: A method of controlling kicks in which the weight
of the kill weight mud is calculated by the difference between the difference
of casing and tubing pressure and the volume of uid increase; followed by
injection of the kill weight mud to displace the lighter weight mud and the
kick in a single circulation.
Waiting on Cement: The time spent waiting on cement to reach sufcient
strength to proceed with operations.
Walking Beam (Beam Lift): The main moving beam in a beam lift pump.
Walking Squeeze: A cement squeeze under the fracture pressure, trying to
build pressure slowly. Typical i ...