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Unformatted text preview: by the derrick.
When a kick occurs and low density
formation fluids begin to enter the
borehole, the total buoyant force of the
mud system is reduced.
66 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 33 H. Drilling break: An abrupt increase in
the bit penetration rate, called a drilling
break, is a warning sign of a possible
I. Cut mud weight: Reduced mud
weight observed at the flow line has
occasionally caused a kick to occur.
67 5. Shut-In Procedures
A. Introduction: If there is any doubt as
to whether or not the well is flowing,
then shut it in and check the pressures.
Under on circumstances will the pipe be
run back to bottom with the annular
preventer open and the well flowing. 68 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 34 B. Shut-In Procedures
1. Drilling – Immobile Rig
2. Tripping – Immobile Rig
3. Drilling – Floating Rig
4. Tripping – Floating Rig
5. Diverter Procedures – All Rigs
69 1. Drilling – Immobile Rig
a. When a warning sign of a kick has been
observed, immediately raise the kelly until
a tool j...
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This document was uploaded on 03/28/2014.
- Fall '14