Method and system for real-time estimation of at least one param

Details Method and system for real-time estimation of at least one param Method and system for real-time estimation of at least one param

1997-06-23

1998-12-01

Noori, Max H.

Measuring and testing

Borehole or drilling

During drilling

7315244, 7315203, G06F 1520

Patent

active

058441328

ABSTRACT:
The present invention relates to a system and to a method designed to estimate the effective behaviour of a drill bit fastened to the end of a drill string and driven into rotation in a well by surface driving means, wherein a non-linear physical model of the drilling process based on general mechanics equations is used. The following stages are performed in the method:

REFERENCES:
patent: 4794535 (1988-12-01), Gray et al.
patent: 4845628 (1989-07-01), Gray et al.
patent: 5305836 (1994-04-01), Holbrook et al.
patent: 5581024 (1996-12-01), Meyer, Jr. et al.

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