E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/4
E21B 47/00 (2006.01) E21B 21/08 (2006.01) E21B 33/126 (2006.01) E21B 47/10 (2006.01)
Patent
CA 1193542
ABSTRACT WELL-LOGGING TOOL A well-logging tool, for use within a well borehole having a flowing fluid therein, has a selective bypass means for directing a portion of the flowing fluid away from the housing of the well-logging tool upon the flowing fluid exerting a predetermined pressure force upon a packer, whereby damage to the packer from increased pressure forces is minimized and flow characteristics of a fluid flowing at widely varying flow rates may be measured.
430789
Cubberly Walter
Gavignet Alain
Schlumberger Canada Limited
Smart & Biggar
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