Steam injection survey apparatus and method for testing wells

Details Steam injection survey apparatus and method for testing wells Steam injection survey apparatus and method for testing wells

E - Fixed Constructions

21

B

166/3

E21B 47/00 (2006.01) E21B 33/068 (2006.01) E21B 33/072 (2006.01) E21B 47/10 (2006.01)

Patent

CA 2009872

ABSTRACT OF THE DISCLOSURE A radio-active tracer, carried by a pressurized gas, is injected through an axially displaceable tube into a flow stream of steam within a well tubing string to perform a steam injection survey of underground formations intersected by a well bore into which the tubing string extends. The injection tube is guided for displacement from a retracted position at an acute angle to the string through a riser port, swab valve and steam inlet connection located below a storage zone within a lubricator pipe from which a logging tool is inserted into the tubing string.

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