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US 2011/0215234 A1Published application
Downhole deployable tools for measuring tracer concentrations
AssigneeUniversity of Utah Research Foundation
InventorPeter E. Rose
Life of this patent
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Abstract
Downhole deployable tools for measuring tracer concentrations are disclosed. According to one embodiment, an apparatus comprises a support cable configured to allow the apparatus to be lowered into and raised from a wellbore. A housing is attached to the support cable. The housing includes a detector window on the exterior of the housing. A detector system within the housing includes a detector that measures tracer concentrations. The detector is operably connected to the detector window to direct energy or particles from the detector window to the detector.
Claims23
An apparatus, comprising:
- a support cable configured to allow the apparatus to be lowered into and raised from a wellbore;
- a housing attached to the support cable, where the housing includes a detector window on the exterior of the housing;
- and
- a detector system within the housing that includes a detector that measures tracer concentrations, wherein the detector is operably connected to the detector window to direct energy or particles from the detector window to the detector.
1 more element
A method, comprising:
- delivering a tracer composition into a wellbore from one end of a tool;
- lowering the tool into the wellbore;
- and
- measuring a concentration of the tracer composition as a function of position along the wellbore and as a function of time.
1 more element
Dependencies are inferred from the claim text.