Space/time mathematical framework for sedimentary geology

in: Proc. $22^{nd}$ Gocad Meeting, Nancy

Abstract

Looking for the roots of a polynomial Pn(x) of degree n is a classical problem in mathematics. If a trivial root x? is known, then it is wise to divide Pn(x) by (x − x?) to obtain a simpler polynomial of degree (n − 1) whose roots are identical to the remaining roots of Pn(x). Looking for an interpolation of physical properties in the sub-surface is also a recurrent problem in geology. In sedimentary geology, the geometry of the layers is known with a precision which is, generally, several orders of magnitude better than the precision than one can reasonably expect for the properties. As a consequence, similarly to mathematics, it may be wise to model first the geometry of the layers and then, “simplify the geologic equation” by removing the influence of the geometry of these layers. This is actually what it is proposed in this article: a new space is introduced where all the horizons are horizontal planes and where faults, if any, have disappeared. It is conjectured that this new space is the best place to model physical properties of the subsurface whatever the method used for that purpose.

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    BibTeX Reference

    @inproceedings{Mallet02GM,
     abstract = { Looking for the roots of a polynomial Pn(x) of degree n is a classical problem in mathematics. If a
    trivial root x? is known, then it is wise to divide Pn(x) by (x − x?) to obtain a simpler polynomial of
    degree (n − 1) whose roots are identical to the remaining roots of Pn(x).
    Looking for an interpolation of physical properties in the sub-surface is also a recurrent problem
    in geology. In sedimentary geology, the geometry of the layers is known with a precision which is,
    generally, several orders of magnitude better than the precision than one can reasonably expect for the
    properties. As a consequence, similarly to mathematics, it may be wise to model first the geometry of
    the layers and then, “simplify the geologic equation” by removing the influence of the geometry of these
    layers. This is actually what it is proposed in this article: a new space is introduced where all the horizons
    are horizontal planes and where faults, if any, have disappeared. It is conjectured that this new space is
    the best place to model physical properties of the subsurface whatever the method used for that purpose. },
     author = { Mallet, Jean-Laurent },
     booktitle = { Proc. $22^{nd}$ Gocad Meeting, Nancy },
     title = { Space/time mathematical framework for sedimentary geology },
     year = { 2002 }
    }