DIAGRAPHIE COURS PDF

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L’invention concerne un procédé et un dispositif de diagraphie en cours de forage permettant d’obtenir des informations concernant une formation. Le dispositif. Title, Cours de diagraphies instantanées: par R. Desbrandes Author, Robert Desbrandes. Editor, École nationale supérieure du pétrole et des moteurs a. L’invention concerne un procédé et un dispositif de diagraphie en cours de forage permettant d’obtenir des informations concernant une.

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System and method for performing inversion on LWD resistivity logs with enhanced resolution. Method and apparatus for measurement-while-drilling utilizing improved antennas. Induction logging sonde with metallic support having a coaxial insulating sleeve member. Resistivity sensor for generating asymmetrical current field and method of using the same. Simultaneous gamma ray measurement of formation bulk density and casing thickness.

Method and apparatus for correcting data developed from a well tool disposed at a dip angle in a wellbore to eliminate the effects of the dip angle on the data. Directional resistivity measurements for azimuthal proximity detection of bed boundaries. Apparatus and method for minimizing wear and wear related measurement error in a logging-while-drilling tool. Robust inversion systems and methods for azimuthally sensitive resistivity logging tools.

Measurement-while-drilling assembly using real-time toolface oriented measurements. See also references of EPA1. Processing method and apparatus for processing spin echo in-phase and quadrature amplitudes from a pulsed nuclear magnetism tool and producing new output data to be recorded on an output record.

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Method for correcting density measurements that are affected by natural and neutron-induced gamma radiation. Method and apparatus for measuring formation cors and the formation photo-electric factor with a multi-detector gamma-gamma tool. Subsurface borehole evaluation and downhole tool position determination methods.

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Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries. System diagralhie measuring Earth formation resistivity through an electrically conductive wellbore casing. LWD resistivity device with inner transmitters and outer receivers, and azimuthal sensitivity.

A2 Designated state s: Method and apparatus for directional measurement of subsurface electrical properties. EP Kind code of ref document: Logging tool employing a monopole current injection electrode for microresistivity imaging. Apparatus and methods for determining gas saturation and porosity of a formation penetrated by a gas filled or liquid filled borehole.

Cours de diagraphies instantanées: par R. Desbrandes – Robert Desbrandes – Google Books

Borehole investigating methods and apparatus including the detection of a cased borehole from another nearby borehole. DE Ref legal event code: Apparatus and method for determining the resitivity of underground formations surrounding a borehole. Drilling ddiagraphie with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction.

Method and apparatus using pad carrying electrodes for electrically investigating a borehole. System, method and apparatus for downhole system having integrated measurement while operating components.