Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2006-02-14
2006-02-14
Neuder, William (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S254200, C250S262000, C250S269300, C250S269700
Reexamination Certificate
active
06997257
ABSTRACT:
A well logging system that has, as its goal, the collection of information normally acquired by a dip log tool based on conductivity or resistivity measurements, but with the advantages of radiation based well logging systems. Unlike conductivity based dip log systems, the radiation-based system can be implemented in cased or uncased boreholes. The combination system incorporates a number of radially arrayed devices that, though structurally distinct, function much like the arms associated with conductivity dip log devices. The system incorporates radiation detectors positioned in a radial array rather than electrodes. The combination system measures radiation in each of the multiple radial orientations and responds to generated radiation in the respective directions. The sensitivity of the radiation measuring devices is set so as to localize the region of the borehole being measured. Whereas standard radiation well logging systems are less concerned with localizing the measurement, the present system accurately identifies the orientation of the signal and thus the nature and angle of the formation the signal derives from.
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Jackson & Walker, LLP
Neuder William
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