1
Richard A Rosthal: Method and apparatus for determining horizontal conductivity and vertical conductivity of earth formations. Schlumberger Technology Corporation, Martin Novack, John J Ryberg, Wayne I Kanak, July 12, 1994: US05329448 (54 worldwide citation)

The disclosed technique and apparatus utilizes the different characteristic responses of a plurality of signals from a propagation or induction well logging device to determine the vertical and horizontal resistivity of formations surrounding a borehole. In a disclosed embodiment, a method is set fo ...


2
Rosthal Richard A: Method and apparatus for determining horizontal conductivity and vertical conductivity of earth formations.. Schlumberger, Schlumberger Services Petrol, Schlumberger Technology, Schlumberger Holdings, February 10, 1993: EP0527089-A2 (34 worldwide citation)

The disclosed technique and apparatus utilizes the different characteristic responses of a plurality of signals from a propagation or induction well logging device to determine the vertical and horizontal resistivity of formations surrounding a borehole. In a disclosed embodiment, a method is set fo ...


3
Rosthal Richard A: Methode et appareil servant a determiner la conductivite horizontale et la conductivite verticale de formations geologiques, Method and apparatus for determining horizontal conductivity and vertical conductivity of earth formations. Schlumberger Canada, SMART & BIGGAR, CA2075439

The disclosed technique and apparatus utilizes the different characteristic responses of a plurality of signals from a propagation or induction well logging device to determine the vertical and horizontal resistivity of formations surrounding a borehole. In a disclosed embodiment, a method is set fo ...