Unformatted text preview: ntain the drill pipe pumping pressure
constant at a constant pumping rate, by using
the choke to adjust the casing pressure as
Shut down the pumps and close in the choke.
l. When the pressures on the drill pipe and casing
are both zero, then open the annular preventers,
circulate and condition the mud, and add a trip
margin. 2. Practical implementation of the one circulation method
Example 8 (page 33)
(1) Pre-Kick Considerations
(2) Shut-in and weight up procedures
(3) Pump rates
(4) Kill sheet preparation
(5) Working the pipe
(6) Displace the drill pipe
(7) Displacing the annulus
(8) Post-kick considerations.
94 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 47 Section 3
Special Topics 95 Deep Water-Well Control
The two key problems are kick
detection and reduced fracture
gradients, both of which fail into both of
these categories. 96 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 48 Kick detection
Two of the early warning signs of kicks are an
increase in flow rate and an increase in pit
Install a pit volume totalizing tool(PVT) to
detect pit gains. The PVT can automatically...
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This document was uploaded on 03/28/2014.
- Fall '14