Representative before the EPO

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Technology Company

Representative before the EPO

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Technology Company

Céline Leonori has worked on the following 56 EPO patent applications which have been published in the last five years:

EP12838668

FAST MUD GAS LOGGING USING TANDEM MASS SPECTROSCOPY

IPC classification:
E21B 47/00, G01J 3/36
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Applicant:
PRAD Research and Development Limited
Agent:
Céline Leonori, Schlumberger Ltd.
Status:
GRANT OF PATENT INTENDED
EP13306855

Systems and methods for cement evaluation calibration

IPC classification:
E21B 47/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Michael Frederick Ford, Schlumberger Cambridge Research Ltd
Status:
EXAMINATION IN PROGRESS
EP14743860

PRESSURE TRANSIENT TESTING WITH SENSITIVITY ANALYSIS

IPC classification:
G01V 1/50, G01V 3/18, G06G 7/50
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Applicant:
PRAD Research and Development Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP14290169

Diamond window assembly for optical logging

IPC classification:
C30B 25/02, E21B 47/00, G01N 21/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Schlumberger Ltd.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290191

Rotary and axial modulation for mud-pulse telemetry

IPC classification:
E21B 47/18
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290190

Temperature-activated desiccant box for protection of components in a downhole assembly

IPC classification:
B01D 53/26, E21B 47/01, H05K 5/02, H05K 7/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290204

Device for automatically calibrating an analyzer used for mud gas or fluid logging, associated analysis system and drilling rig

IPC classification:
G01N 30/02, G01N 33/28
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290214

Downhole Fluid Composition Sensing

IPC classification:
E21B 49/08, G01J 3/42, G01N 21/31, G01V 8/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290228

Acoustic communications network with frequency diversification

IPC classification:
H04B 11/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290249

Apparatus and methods for well cementing

IPC classification:
E21B 21/08, E21B 33/13, E21B 44/00, E21B 47/12
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290248

Method and apparatus for determining resistivity of a formation

IPC classification:
G01V 3/24
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP14290245

Methods and apparatus of adjusting matrix acidizing procedures

IPC classification:
E21B 43/26, E21B 47/06, E21B 47/10
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION IN PROGRESS
EP14290247

Methods and apparatus for determining downhole fluid parameters

IPC classification:
E21B 47/06, E21B 47/10, G01F 1/68
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP14715820

RADIATION SOURCE DEVICE

IPC classification:
G01N 23/12, G01N 33/28
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290286

Capacitor cell and method for manufacturing same

IPC classification:
H01G 4/08, H01L 21/314, H01L 23/64, H01L 29/66, H01L 29/94
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP14290321

Flat metallic strip toroidal coil

IPC classification:
G01V 3/28, H01F 41/08
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290322

A system and method for analyzing a gaseous sample extracted from a drilling fluid coming from a wellbore

IPC classification:
E21B 49/00, G01N 21/17, G01N 33/28
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290323

System and method for estimating properties of geological formations drilled using underreamer

IPC classification:
E21B 49/00, G01N 33/28, G01V 1/40, G01V 9/00
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14818266

BITUMEN QUANTIFICATION USING VIBRATIONAL SPECTROSCOPY

IPC classification:
E21B 49/10, G01J 3/10
Applicant:
Schlumberger Technology Corporation
Agent:
Céline Leonori, Schlumberger Ltd.
Status:
GRANT OF PATENT INTENDED
EP14290333

Method and system for monitoring stability of a wellbore

IPC classification:
E21B 44/00, E21B 47/06
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290332

Silica-based stationary phase for a chromatography column and methods for producing the same

IPC classification:
B01J 20/10, B01J 20/28, B01J 20/286, G01N 30/50
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP14823054

SYSTEM AND METHOD FOR LOGGING ISOTOPE FRACTIONATION EFFECTS DURING MUD GAS LOGGING

IPC classification:
E21B 49/08, G01N 1/10
Applicant:
Schlumberger Technology Corporation
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP14290346

A method for processing data collected during a mud logging analysis, associated calculation system and associated mud logging installation

IPC classification:
E21B 49/00, G01N 33/24, G01N 33/28
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP14290380

Stabilizer assembly

IPC classification:
E21B 17/10, E21B 23/02
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP14290382

System and method for compensation in a resistivity detection

IPC classification:
G01V 1/30
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290397

Device for measuring resistivity in a wellbore

IPC classification:
G01V 3/20
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14837220

WATER TREATMENT SYSTEM FOR TREATING WATER FROM OIL PRODUCTION STREAMS

IPC classification:
B01D 17/02, C02F 1/00
Agent:
Céline Leonori, Schlumberger Ltd.
Status:
GRANT OF PATENT INTENDED
EP16000213

DOWNHOLE MUD POWERED BATTERY

IPC classification:
E21B 41/00, H01M 4/08, H01M 4/58, H01M 6/10, H01M 6/34
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290020

A cementing apparatus and system for cementing a wellbore

IPC classification:
E21B 27/02
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14851331

INVERSION-BASED WORKFLOW FOR CONSISTENT INTERPRETATION OF NUCLEAR DENSITY IMAGES IN HORIZONTAL WELLS

IPC classification:
E21B 47/00, G01V 5/04, G01V 5/12
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP15290042

Heat exchanger for heating a drilling fluid

IPC classification:
E21B 47/00, E21B 49/00, F24H 1/00, F28D 7/02
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14860907

SLIDE-ON INDUCTIVE COUPLER SYSTEM

IPC classification:
H01F 38/14
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP15290083

INSTALLATION AND METHOD FOR MONITORING A DRILLING FLUID EXITING THE WELLBORE

IPC classification:
E21B 21/08, E21B 21/10
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290096

SYSTEM AND METHOD FOR SAMPLING A DRILLING FLUID EXITING A WELLBORE

IPC classification:
E21B 49/00, E21B 49/08, G01N 1/20, G01N 33/28
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14867711

FAST FIELD MUD GAS ANALYZER

IPC classification:
G01N 30/72
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP15290142

SYSTEM AND METHOD FOR MONITORING THE PERFORMANCES OF A CABLE CARRYING A DOWNHOLE ASSEMBLY

IPC classification:
G01R 31/02, G01R 31/08, H01B 7/04, H04B 3/46
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290220

SLEEVE FOR FITTING AROUND A SPOOLING DRUM

IPC classification:
B65H 75/26, B65H 75/44, B66D 1/36, E21B 19/00, E21B 19/22
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290233

A METHOD FOR ESTIMATING A FLOW OUT OF A FLUID PUMP, ASSOCIATED CALCULATION SYSTEM AND ASSOCIATED DRILLING INSTALLATION

IPC classification:
E21B 21/08, F04B 49/06, F04B 51/00, G01F 1/34, G01F 25/00
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290243

SYSTEMS AND METHODS FOR DETERMINING TOOL CENTER, BOREHOLE BOUNDARY, AND/OR MUD PARAMETER

IPC classification:
E21B 47/08
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290263

AUTOMATED DEVICE FOR THE ANALYSIS OF DRILLING CUTTINGS

IPC classification:
E21B 49/00, G01N 1/28, G01N 33/24
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290261

SEAL FLOW AND PRESSURE CONTROL

IPC classification:
E21B 41/00, E21B 47/18
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290283

GAS-EXTRACTION DEVICE AND ASSOCIATED ANALYSIS ASSEMBLY AND METHOD

IPC classification:
E21B 21/06, E21B 49/00
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290320

A METHOD FOR DETECTING GAIN OR LOSS OF DRILLING FLUID IN A DRILLING INSTALLATION ASSOCIATED CALCULATION SYSTEM AND ASSOCIATED DRILLING INSTALLATION

IPC classification:
E21B 21/01, E21B 21/10, E21B 47/08, E21B 47/10
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290317

COMPOSITONS AND METHODS FOR REDUCING AIR ENTRAINEMENT IN WELL CEMENT SLURRIES

IPC classification:
C09K 8/467
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290323

DOWNHOLE TOOL AND METHOD FOR IMAGING A WELLBORE

IPC classification:
E21B 47/00, E21B 47/10, G01V 5/10
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290315

METHODS FOR MEASURING AIR ENTRAINMENT IN A COMPOSITION

IPC classification:
C04B 28/02, C09K 8/46
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290319

DOWNHOLE DETECTION OF CUTTINGS

IPC classification:
E21B 47/09
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290321

METHOD AND SYSTEM FOR PETROPHYSICAL QUANTITY ESTIMATION FROM DIELECTRIC AND NEUTRON CAPTURE CROSS SECTION MEASUREMENTS

IPC classification:
E21B 47/00, E21B 49/00, G01V 11/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290324

METHOD AND SYSTEM FOR TWO DIMENSIONAL SEDIMENT PARTICLE SHAPE CHARACTERIZATION BASED ON BOREHOLE IMAGE

IPC classification:
G01V 3/30, G01V 99/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290314

METHOD OF DETERMINING THE CONTENT OF AT LEAST ONE COMPOUND CONTAINED IN A DRILLING MUD

IPC classification:
G01N 33/28
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290316

COHERENT NOISE ESTIMATION AND REDUCTION FOR ACOUSTIC DOWNHOLE MEASUREMENTS

IPC classification:
E21B 47/00, G01V 1/48
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290318

DECONVOLUTION OF ELECTROMAGNETIC THICKNESS MEASUREMENT

IPC classification:
E21B 47/08, G01V 3/28
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP14290226

An installation for intervention in a well comprising a neutron generator, and method associated therewith

IPC classification:
E21B 47/12, G01V 3/32, G01V 5/10, G01V 11/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
Schlumberger Holdings Limited
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
The application has been published
EP16290027

CEMENT COMPOSITIONS WITH ADJUSTABLE MECHANICAL PROPERTIES

IPC classification:
C04B 28/02, C04B 28/04, C09K 8/42, C09K 8/467, C09K 8/473, C09K 8/48
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
The application has been published
EP16290026

WELL CEMENTING COMPOSITIONS AND METHODS

IPC classification:
C04B 28/04, C09K 8/467
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
The application has been published
EP16290036

COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS IN WELL CEMENTING SLURRIES

IPC classification:
C04B 28/04, C09K 8/487
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
The application has been published

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