DETERMINATION OF HORIZONTAL CONSTRAINTS IN SUBSOIL

WIPO Patent Application WO/2016/174489

A9

The present invention relates to a method of determination of present-day horizontal stresses in geological formations, wherein the method comprises dividing (102) the received well data in a plurality of contiguous sets of data i, a set of data i being above a set of data i+1 and for each set of data i in the plurality of sets of data, determining, based on the set of data i, at least parameters (P i , a pressure in subsoil corresponding to the set of data i, b i , a Biot coefficient corresponding to the set of data i, v i , a Poisson's ratio corresponding to the set of data i, Formula (a), a vertical constraints in subsoil corresponding to the set of data i, E i a Young's modulus corresponding to the set of data i, a i , a thermal expansion coefficient, and T i , a temperature in subsoil corresponding to the set of data i. The method further comprises, for each set of data i in the plurality of sets of data, computing and outputting the horizontal constraints Formula (I).

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ONAISI ATEF (FR)
SU KUN (FR)

PCT/IB2015/000853

October 12, 2017

April 27, 2015

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TOTAL SA (FR)

E21B49/00; G01V99/00

CABINET PLASSERAUD et al. (FR)

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