E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/02 (2006.01)
Patent
CA 2636531
A method and apparatus for containing fluid in an area of a wellbore annulus, in which fluid is energised to create a fluid flow which is at least partially obstructed and is directed to form in the annulus a localised area of high pressure to contain fluid in an area of the annulus of lower pressure. In an embodiment, the method creates a pressure plug in the annulus.
Fasken Martineau Dumoulin Llp
Phuel Oil Tools Limited
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