Inventor

LEGENDRE EMMANUEL

FR36 patents

⚠️ This page may combine multiple inventors who share the name “LEGENDRE EMMANUEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEGENDRE EMMANUEL

SCHLUMBERGER TECHNOLOGY CORP

Apparatus and system for well placement and reservoir characterization

Apparatus and system for well placement and reservoir characterization

Apparatus and system for well placement and reservoir characterization

Apparatus and system for well placement and reservoir characterization

Multimode acoustic imaging in cased wells

Electromagnetic imaging method and device

System and method for displaying data associated with subsurface reservoirs

Method for evaluating formation properties

Determining properties of earth formations using the electromagnetic coupling tensor

Look ahead logging system

Measurement compensation using multiple electromagnetic transmitters

Methods and apparatus to detect fluid distributions

Method and apparatus for determining resistivity of a formation

Dual-guard imager probe

Determining the impedance of material behind a casing in a borehole

Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes

Fracture characterization while drilling

Subterranean imager tool system and methodology

Downhole detection of cuttings

System and methods for measuring borehole caliper in oil-based mud

Systems and methods for determining tool center, borehole boundary, and/or mud parameter

Corrosion evaluation of nested casings via pulsed eddy current

Determining standoff between a wall of a wellbore and a tool disposed in the wellbore

Methods for determining dielectric permittivity spectrum of underground rock formations

LEGENDRE EMMANUEL

Determining properties of earth formations using the electromagnetic coupling tensor

Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes

Method for electromagnetically measuring physical parameters of a pipe

Detection of 3D formation structures based on electro-magnetic coupling measurements

SEYDOUX JEAN

Look ahead logging system

Apparatus and system for well placement and reservoir characterization

Measuring the phase of received signals

DEVILLE BENOIT

Inductive couplers for use in a downhole environment

HOMAN DEAN M

Gain-corrected measurements

ANDERSON BARBARA

Methods for determining dielectric permittivity spectrum of underground rock formations

TAHERIAN REZA

System and method for generating true depth seismic surveys

BLOEMENKAMP RICHARD

Apparatus and method for actively balancing impedance of a resistivity measuring tool