14. Circulation Kill Techniques - PETE 625 Well Control...

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PETE 625 Well Control Lesson 14 Circulation Kill Techniques
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2 Circulation Kill Techniques Shut-In Pressures Weighting Up the Mud Driller’s Method Wait & Weight Method
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Assignments HW # 8: Ch 4, Problems 1- 10 due Friday, July 2 HW # 9: Ch 4, Problems 11- 20 due Wednesday, July 7 Read: Ch. 4 to p.171 and Appendices A and B
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4 Shut-In Pressures Once a kick is detected, and proper shut-in procedures are followed, the influx will stop when the wellbore pressure, at the depth of the kicking formation, is equal to the pressure in that formation. At this point the fluids are compressed in the wellbore so that the Shut-In Surface Pressures + the HSP = Formation Pressure
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5 Shut-In Pressures Once the influx is stopped: The kick fluids must be removed from the wellbore, and The low density drilling fluid in use when the kick occurred must be replaced with KWM
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U-Tube concept SIDPP + HSP muddp = SICP + HSP mudann + HSP kick = BHP = Formation Press. SIDPP
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14. Circulation Kill Techniques - PETE 625 Well Control...

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