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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Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction. LWD resistivity device with inner transmitters diagrapyie outer receivers, and azimuthal sensitivity.

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. Apparatus and method for determining the resitivity of underground formations surrounding a borehole.

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

Determination of cohrs resistivity of formations utilizing induction-type logging measurements in deviated borehole.

Electromagnetic induction well logging instrument having azimuthally sensitive response. Acoustic logging-while-drilling tools having a hexapole source configuration and associated logging methods. A2 Designated state s: Coil assembly structure and mounting forming an annular chamber to be mounted and sealed on a drill collar.

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Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor. Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment. Method and apparatus for generating acoustic signals for LWD shear velocity measurement. CA CAC fr System, method and apparatus for courss and geophysical measurements at the drilling bit. Apparatus and methods for viagraphie gas saturation and porosity of a formation penetrated by a gas filled or liquid filled borehole.

Method of and apparatus for sonic curs while drilling a borehole traversing an earth formation. Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries.

Well logging method and apparatus using a continuous energy spectrum photon source. Systems and methods for controlling a voltage multiplier ladder for optimal efficiency and minimal component stress.

Request for preliminary examination filed prior to expiration of 19th month from priority date pct application filed before Subsurface borehole evaluation and downhole tool position determination methods.

Method and apparatus for directional measurement of subsurface electrical properties.

Methods and devices for real-time formation imaging through measurement while drilling telemetry. Dispositif et methodes de dagraphie d’un trou de forage de puits au moyen d’instruments rotatifs controlables. A2 Designated state s: Country of ref document: Method and apparatus for generating acoustic signal with single mode of propagation.

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

Method and apparatus for determining neutron detector operability using gamma ray sources. Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointers. Drill bit with a sensor for estimating rate of penetration and apparatus for using same. Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction.

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Neutron logging tool having source and target with deuterium-tritium gas admixture. Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole. Triaxial magnetic heading sensing apparatus having magnetaresistors and nulling coils. Logging system for measuring dielectric properties of fluids in a cased well using multiple mini-wave guides.

DE DET2 de CA CAC fr Electromagnetic power and communication link particularly adapted for drill collar mounted sensor systems. Methods of generating directional low frequency acoustic signals and courrs signal detection diagrapyie for seismic while drilling applications. Logging-while-drilling tool incorporating electronic radiation generator and method for using same.