E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
73/117, 166/5, 1
E21B 49/08 (2006.01) E21B 49/10 (2006.01)
Patent
CA 1337787
A method and apparatus for performing measurements useful in determining the permeability of earth for- mations traversing a well borehole by establishing, with sample drawing means, through the wall of the well borehole and isolated from fluids within the well borehole, direct fluid flow path for communica- tion with an adjacent formation to be tested. A fluid sample is drawn from the formation sufficient to substantially remove any well borehole invasion from the immediate area by a seal pad which is con- tinuously loaded during the operation to enable measurement of connate formation fluid free of bore- hole invasion. A snorkel is extended through the sealed pad into the formation to enable testing.
604780
Haliburton Company
Swabey Ogilvy Renault
LandOfFree
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