• September 9, 2019

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.

Author: Goltira JoJobei
Country: Venezuela
Language: English (Spanish)
Genre: Literature
Published (Last): 23 April 2008
Pages: 257
PDF File Size: 18.79 Mb
ePub File Size: 17.80 Mb
ISBN: 432-8-16576-119-1
Downloads: 92260
Price: Free* [*Free Regsitration Required]
Uploader: Grotaur

Well logging method and apparatus using a continuous energy spectrum photon source.

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

Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries. System, method and apparatus for downhole system having integrated measurement while operating components.

Electromagnetic logging apparatus with button antennas for measuring the dielectric constant of formation surrounding a borehole. Kind code of ref document: Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source. DE Ref legal event code: 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. Apparatus and methods for estimating tool inclination using bit-based gamma ray sensors.

Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations. Formation resistivity measurement while drilling, utilizing physical conditions representative of the signals from a toroidal coil located adjacent the drilling bit.

Method and apparatus for safely operating radiation generators in while-drilling and while-tripping applications. A2 Designated state s: Well logging apparatus having a removable sleeve for sealing and protecting multiple antenna arrays.


Determination of horizontal resistivity of formations utilizing induction-type logging measurements in deviated borehole. Borehole investigating methods and apparatus including the detection of a cased borehole from another nearby borehole.

System, method and apparatus for petrophysical and geophysical measurements at the drilling bit. Induction logging sonde with metallic support having a coaxial insulating sleeve member. System and method for performing inversion on LWD resistivity logs with enhanced resolution. High voltage x-ray generator and related oil well formation analysis apparatus and method.

Kind code of ref document: Apparatus and method for generating sector residence time images of downhole tools. US USB2 en Apparatus and method for wellbore resistivity imaging using capacitive coupling. Measurement-while-drilling assembly using real-time toolface oriented measurements. EP Kind code of ref document: Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointers.

Making directional measurements using a rotating and non-rotating drilling apparatus.

Robust inversion systems and methods for azimuthally sensitive resistivity logging tools. Multifrequency dielectric logging tool including antenna system responsive to invaded rock formations. Request for preliminary examination filed prior to expiration of 19th month from priority date pct application filed before Method and apparatus for generating acoustic signals for LWD shear velocity measurement. EP EPB1 fr Dispositif et methodes de diagraphie d’un trou de forage de puits au moyen d’instruments rotatifs controlables.

Method and apparatus for determining neutron detector operability using gamma ray sources. Enhancing the quality and resolution of an image generated from single or multiple sources. Time and depth correction of MWD and wireline measurements using correlation of surface and downhole measurements. Acoustic logging-while-drilling tools having a hexapole source configuration and associated logging methods. Simultaneous resolution enhancement and daigraphie correction of resistivity logs through nonlinear iterative deconvolution.


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

US USB2 en Method and apparatus for detecting torsional vibration with a downhole pressure sensor. Method of sonic logging while drilling a borehole traversing an earth formation. Method and apparatus for generating acoustic signals for LWD shear velocity measurement. Apparatus and methods for measurement of density of materials using a neutron diagrsphie and two spectrometers. Method and apparatus for generating acoustic signal with single mode of propagation.

Structures and methods for damping tool waves particularly for acoustic logging tools. 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.

Borehole image reconstruction using inversion and tool spatial sensitivity functions. Gamma-gamma density measurement system for high-pressure, high-temperature measurements. System for measuring Earth formation resistivity through an electrically dours wellbore casing. Country of ref document: Systems and methods for controlling a voltage multiplier ladder for optimal efficiency and minimal component stress.

Microresistivity anisotropy logging tool employing a monopole current injection electrode.