Oriented-radial-cores retrieval for measurements of directional

Details Oriented-radial-cores retrieval for measurements of directional Oriented-radial-cores retrieval for measurements of directional

1994-12-09

1996-01-09

Dang, Hoang C.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Indicating, testing or measuring a condition of the formation

73153, 16625001, E21B 4902

Patent

active

054821223

ABSTRACT:
A method for the determination of anisotropic material properties in subterranean rock formations by means of radially oriented and generally equally angularly spaced sidewall cores obtained by use of a rotary sidewall coring tool. The measurement values obtained from testing of the sidewall cores are utilized to obtain an accurate prediction of the shape of the ellipse that describes the variation in the material property under consideration as a function of direction in the bedding plane of the subterranean rock formation.

REFERENCES:
patent: 4751646 (1988-06-01), Alger
patent: 4790180 (1988-12-01), Sinnokrot
patent: 5105894 (1992-04-01), Enderlin
patent: 5253719 (1993-10-01), Blauch et al.
patent: 5272916 (1993-12-01), Blauch et al.
patent: 5277062 (1994-01-01), Blauch et al.
patent: 5318123 (1994-06-01), Venditto et al.

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