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US 2012/0267520 A1Published application
Radiation generator and power supply configuration for well logging instruments
AssigneeSchlumberger Technology Corporation
InventorBradley Roscoe
Life of this patent
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Abstract
A well logging instrument includes a radiation generator and a high voltage power supply functionally coupled to the generator. The generator and the supply are longitudinally separated by a distance sufficient for emplacement of a radiation detector. At least a first radiation detector is disposed in a space between the generator and the supply. The instrument includes an electrical connection between the supply and the generator.
Claims22
A well logging instrument, comprising:
- at least one of an ionizing and nuclear radiation generator;
- a high voltage power supply functionally coupled to the radiation generator, the generator and the power supply longitudinally separated by a distance sufficient for emplacement of a radiation detector between the radiation generator and the power supply;
- at least a first radiation detector disposed between the generator and the supply;
- and
- an electrical connection between the supply and the generator.
2 more elements
A method for evaluating formations traversed by a borehole, comprising:
- generating electrical power to operate at least one of a nuclear and an ionizing radiation generator at a position longitudinally separated from a position of the radiation generator along the borehole, the longitudinal separation sufficient to emplace a radiation detector;
- conducting the electrical power to the radiation generator;
- operating the generator to emit high ionizing radiation into the formations;
- and
- detecting radiation at a longitudinal position between the position of the generating electrical power and the position of the radiation generator.
2 more elements
Dependencies are inferred from the claim text.