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Representative before the EPO

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Technology Company

We have observed 57 EP applications Céline Leonori has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 16, 2012). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP12838668

FAST MUD GAS LOGGING USING TANDEM MASS SPECTROSCOPY

IPC classification:
E21B 47/00, G01J 3/36
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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APPLICATION DEEMED TO BE WITHDRAWN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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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APPLICATION DEEMED TO BE WITHDRAWN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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
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
Agent:
Schlumberger Cambridge Research Ltd
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
APPLICATION PUBLISHED
EP15290261

SEAL FLOW AND PRESSURE CONTROL

IPC classification:
E21B 41/00, E21B 47/18
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
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
Agent:
Schlumberger Cambridge Research Ltd
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290319

DOWNHOLE DETECTION OF CUTTINGS

IPC classification:
E21B 47/09
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
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 Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
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
EP16290089

METHOD FOR EVALUATING A WELLBORE PARAMETER IN A DRILLING OPERATION AND RELATED ASSEMBLY

IPC classification:
E21B 21/08
Agent:
Céline Leonori, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
The application has been published

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