Method for determining borehole corrections for well-logging...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C702S007000, C703S010000

Reexamination Certificate

active

07076370

ABSTRACT:
A method for producing borehole-compensated values from non-borehole-compensated measurement signals taken with a logging device in a borehole in earth formations, includes the following steps: producing a database that includes a multiplicity of data points, each data point representing a combination of formation parameters and borehole parameters, database input vectors representing multi-dimensional non-borehole-compensated model measurement values respectively associated with the data points, and database output vectors representing multi-dimensional borehole-compensated model measurement values respectively associated with the data points; deriving a multi-dimensional measurement signal vector from measurement signals taken with the logging device in the borehole; and interpolating the measurement signal vector using the database to obtain an interpolated output vector representative of borehole-compensated measurement signals.

REFERENCES:
MJD Powell, “Radial Basis Function Methods for Interpolation to Functions of Many Variables,”DAMTP 2001/NA11, presented at the 5thHellenic-European Conference on Computer Mathematics in Athens, Greece Sep. 2001, Dept of Applied Mathematics and Theoretical Physics, Univ. of Cambridge.
L Breiman et al., “Variable Kernel Estimates of Mutlivariate Densities,”Technometrics, V. 19, No. 2, pp. 135-144 (May 1977).
CA Micchelli, “Interpolation of Scattered Data: Distance Matrices and Conditionally Positive Definite Functions,”Constr. Approx. 2: 11-22(1986).
MD Buhmann et al, “Radial Basis Functions,”Acta Numerica, pp. 1-38, Cambridge Univ. Press, (2000).
R Rosthal et al., “Field Test Results of an Experimental Fully-Triaxial Induction Tool,”SPWLA 44thAnn. Logging Symposium (Jun. 22-25, 2003).
MD Buhmann, “Radial Basis Functions,”Cambridge Monographs on Applied and Computational Mathematics, Ch. 5, Cambridge Univ. Press (2003).
“Cover's Theorem on the Separabilty of Patterns,”Radial Basis Function Networks, Ch. 5, pp. 256-317.
J Hertz et al., “Unsupervised Competitive Learning,”Introduction to the Theory of Neural Computation, Ch. 9, Santa Fe Institute, Addison-Wesley Publishing Co., Redwood City, CA (1991).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for determining borehole corrections for well-logging... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for determining borehole corrections for well-logging..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for determining borehole corrections for well-logging... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3570510

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.