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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Procede de determination en temps reel de l’emplacement de puits de forage profonds au cours du forage. Determination of borehole azimuth and the azimuthal dependence of borehole parameters.

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

Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole. A2 Designated state s: Procede d’obtention d’une image bidimensionnelle developpee de la paroi d’un forage. X-ray downhole tool with at least two targets and at least one measurement detector.

Microresistivity anisotropy logging tool employing a monopole current injection electrode. Conductivity method and apparatus for measuring strata resistivity adjacent a borehole.

Electromagnetic induction well logging instrument having azimuthally sensitive response. Method and apparatus for measurement-while-drilling utilizing improved antennas.

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

System and method for reducing the borehole gap for downhole formation testing sensors. Measurement-while-drilling assembly using real-time toolface oriented measurements. High voltage x-ray generator and related oil well formation analysis apparatus and method.

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Borehole apparatus and methods for measuring formation velocities as a function of azimuth, and interpretation thereof. Formation resistivity measurement while drilling, utilizing physical conditions representative of the signals from a toroidal coil located adjacent the drilling bit. Dipmeter apparatus and method using diaagraphie array having longitudinally spaced transducers. Passive, active and semi-active cancellation of borehole effects for well logging.

Gamma-gamma density measurement system for high-pressure, high-temperature measurements. Measurement-while-drilling assembly using real-time toolface oriented measurements. Method and apparatus for correcting data developed from a diagrpahie tool disposed at a dip angle in a wellbore to eliminate the effects of the dip angle on the data. Method for correcting density measurements that are affected by natural and neutron-induced gamma radiation. Triaxial magnetic heading sensing apparatus having magnetaresistors and nulling coils.

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

Request for preliminary examination filed prior to expiration of 19th month from priority date pct application filed before Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries. Kind code of ref document: Dispositif et methodes de diagraphie d’un trou de forage de puits au moyen d’instruments rotatifs controlables.

A3 Designated state s: Country of ref document: Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries.

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Method of determining vertical and horizontal resistivity, and relative dip in anisotropic earth formations having an arbitrary electro-magnetic antenna combination and orientation with additional rotation and positon measurements.

Nuclear magnetic resonance logging with azimuthal resolution using gradient coils. Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields. Method of and apparatus for sonic logging while drilling a borehole traversing an earth formation. Method and apparatus for determining oriented density measurements including stand-off corrections. Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointers.

US USB2 en Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction.

Resistivity sensor for generating asymmetrical current field and method of diagralhie the same. LWD resistivity device with inner transmitters and outer receivers, and azimuthal sensitivity.

Simultaneous resolution enhancement and dip correction of resistivity logs through nonlinear iterative deconvolution.