DIAGRAPHIE COURS PDF

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, method and apparatus for petrophysical and geophysical measurements at the drilling bit. Methods for processing sequential data to identify possible peak points and to estimate peak to noise ratio of sequential data.

Kind code of ref document: Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole. Time and depth correction of MWD and wireline measurements using correlation of surface and downhole measurements.

Kind code of ref document: Coil assembly structure diagdaphie mounting forming an annular chamber to be mounted and sealed on a drill collar. Logging system for measuring dielectric properties of fluids in a cased well using multiple mini-wave guides. Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor.

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Apparatus and method for clock shift correction for measurement-while-drilling measurements. Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations. Multifrequency dielectric logging tool including antenna system responsive to invaded rock formations.

Induction log sonde feedpipe having a plurality of tubes arranged within it and windows to facilitate the passage of the conductors. CA CAC fr Electromagnetic power and communication link particularly adapted for drill collar mounted sensor systems. Simultaneous gamma ray measurement of formation bulk density and casing thickness. Method and apparatus for safely siagraphie radiation generators in while-drilling and while-tripping applications.

LWD resistivity device with inner transmitters and outer receivers, and azimuthal sensitivity.

5 cours & 10 sujets de sismologie I des études supérieures de géophysique

Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction. Neutron burst timing method and system for multiple measurement pulsed neutron formation evaluation.

Apparatus and method for microresistivity imaging in nonconductive drilling fluid. High voltage x-ray generator and related oil well formation analysis apparatus and method.

5 cours & 10 sujets de sismologie I des études supérieures de géophysique

Borehole image reconstruction using inversion and tool spatial sensitivity functions. Apparatus and methods for measurement of density of materials using a neutron source and two spectrometers.

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Method and apparatus for generating acoustic signal with single mode of propagation. Method and apparatus for detecting torsional vibration with a downhole pressure sensor. Making directional measurements using a rotating and non-rotating drilling apparatus.

Country of ref document: Method for signal enhancement in azimuthal propagation resistivity while drilling. Logging tool employing a monopole current injection electrode for microresistivity imaging. DE Ref legal event code: EP EPB1 fr Apparatus and method for wellbore resistivity imaging using capacitive coupling.

Method and apparatus for generating acoustic signals for LWD shear velocity measurement. See also references of EPA1. Gamma-gamma density measurement system for high-pressure, high-temperature measurements. Method for correcting density measurements that are affected by natural and neutron-induced gamma radiation.

Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields.

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