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Unformatted text preview: anner. The method is based on
allowing an equal volume of mud to leave the
well as that volume of drill pipe entering the
Pressure Method: The pressure method is
considered superior to the volumetric method
because a cementing pump is connected to
the choke line and is used to pump through
the choke at a pressure slightly greater than
the well pressure. Plugged Drill Pipe: The drill pipe will become plugged
during a well killing operation, when this occurs the
plug must be removed or an alternate circulation
path must be created by perforating the deepest
unplugged interval of pipe.
Hole in Drill Pipe: The technique most often
employed in plugging the hole is that of pumping a
piece or rope down the drill pipe.
Excessive Casing Pressure: Excessive casing pressure
has often been discussed in an effort to remedy an
ill-designed casing string problem.
Underground Blowouts: Undergrounds blowouts
occur as a result of simultaneous lost circulation and
kick problems. This type of kick problem is difficult to
control due t...
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This document was uploaded on 03/28/2014.
- Fall '14