12. Kick Detection and Control - PETE 625 Well Control...

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PETE 625 Well Control Lesson 12 Kick Detection and Control
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2 Kick Detection and Control Primary and Secondary Well Control What Constitutes a Kick Why Kicks Occur Kick Detection Methods Shut-in Procedures
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Assignments HW # 7: Ch 3, Problems 11- 20 due Monday, June 28 HW # 8: Ch 4, Problems 1- 10 due Friday, July 2 Read: Chapter 4 to p.154
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4 Kick Detection and Control The focus of well control theory is to contain and manage formation pressure. Primary well control involves efforts at preventing formation fluid influx into the wellbore (avoiding kicks). Secondary well control involves detecting and bringing an influx to the surface.
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5 Kicks A kick may be defined as an unscheduled influx of formation fluids. Fluids produced during underbalanced drilling are not considered kicks Fluids produced during a DST are not considered kicks
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6 Kicks For a kick to occur, we need: Wellbore pressure < pore pressure A reasonable level of permeability A fluid that can flow p = 0.052 * MW * Vertical Depth + p o
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7 Kicks Kicks may occur while: Drilling Tripping Making a connection Logging Running Casing Cementing N/U or N/D BOP, etc.
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8 Causes of Kicks Insufficient wellbore fluid density Low drilling or completion fluid density
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12. Kick Detection and Control - PETE 625 Well Control...

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