When a kick occurs and low density formation fluids

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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 kick. 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.

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