Method and system of analysis of the behavior of a drill string

Details Method and system of analysis of the behavior of a drill string Method and system of analysis of the behavior of a drill string

1995-05-24

1996-08-27

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 49, 367911, 364422, G01V 140

Patent

active

055507883

ABSTRACT:
The present invention relates to a method and to a system for analyzing drilling conditions and/or the behaviour of a drill string element. It comprises the stages as follows:

REFERENCES:
patent: 4964099 (1990-10-01), Carron
patent: 5191557 (1993-03-01), Rector et al.
patent: 5384725 (1995-01-01), Coifman et al.
"Entropy-Based Algorithms for Best Basis Selection", Coifman and Wickerhausser, IEEE Transactions On Information Theory, vol. 38(2), Mar. 1992, pp. 713-718.
"Three new mathematical developments on the geophysical exploration horizon: Round Table Reply", P. L. Goupillaud, The Leading Edge, vol. 11(6), Jun. 1992, pp. 40-42.
"Lapped Transforms for Efficient Transform/Subband Coding", H. S. Malvar, IEEE Transactions On Acoustics, Speech, and Signal Processing, vol. 38(6), Jun. 1990, pp. 969-978.
Leducq et al, 5th Inst Franc Petrole & Tulsa Univ Multi-Phase Prod Int Conf;Jun. 19, 1991;pp. 184-188.

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