7/30/2019 Kill Methods

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Kill Methods

Wait & Weight

One circulation with

kill mud.

The volume of gas

increases while rising

in the annulus.

Drillstring is dead

when kill mud reaches

the bit.

Maximum casing

pressure when gas

reaches the surface.

Casing pressure

reduces as gas exits

the choke.

Lower surface

pressure and quicker

than the drillers

method.

7/30/2019 Kill Methods

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Kill Methods

Drillers Method

Two circulations.

1. To remove influx.

2. With kill mud.

Gas expands as it

rises in the annulus.

Maximum casing

pressure when gas

reaches the surface.

Casing pressure

reduces as gas exits

the choke.

Kill mud is circulated

once the influx is out

of the well.

Simplest kill method.

Circulation can start

without kill mud.