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US 10,473,814 B2Granted
Logging-while-drilling spectral and azimuthal gamma ray apparatus and methods
AssigneeScientific Drilling International, Inc.
InventorMedhat Mickael
Life of this patent
Estimating the term…
Abstract
A downhole assembly includes a drill collar, the drill collar having an outer wall and an insert, the insert positioned within drill collar. The insert has a bore therethrough. The downhole assembly further includes at least one sensor within the insert, wherein the sensor is a gamma ray detector.
Claims16
A downhole assembly comprising:
- a drill collar, the drill collar having an outer wall;
- an insert, the insert positioned within drill collar, the insert having a cylindrical outer wall, the insert having a bore therethrough;
- and
- at least one sensor within the insert, wherein the sensor is a gamma ray detector.
1 more element
A method comprising:
- positioning a gamma ray detector within a borehole, the borehole within a formation, the gamma ray detector positioned within an insert, the insert having a cylindrical outer wall, the insert having a bore therethrough, the insert positioned within a drill collar of a downhole assembly;
- receiving gamma rays with the gamma ray detector;
- tallying detector counts from the gamma ray detector;
- and
- forming a gamma ray spectrum.
2 more elements
Dependencies are inferred from the claim text.