Representative before the EPO

Technology company logo thumb
no operation time available
1 office
Technology Company

Representative before the EPO

Technology company logo thumb
no operation time available
1 office
Technology Company

Representative before the EPO

Technology company logo thumb
no operation time available
1 office
Technology Company

We have observed 104 EP applications Martin Rzaniak has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after February 17, 2013). 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:

EP10745185

COMPOSITIONS AND METHODS FOR WELL COMPLETIONS

IPC classification:
C04B 28/02, C09K 8/467, E21B 33/13
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP11749343

AN ARM SYSTEM FOR LOGGING A WELLBORE AND METHOD FOR USING SAME

IPC classification:
E21B 17/10, E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11778808

RETARDED CEMENT COMPOSITIONS AND METHODS FOR WELL COMPLETIONS

IPC classification:
C04B 24/06, C04B 24/18, C09B 7/02, C09K 8/467
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP11290384

Downhole pressure compensator and method of same

IPC classification:
E21B 47/01, E21B 47/06, G01L 19/06
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP11183253

Customizable user interface for real-time oilfield data visualization

IPC classification:
G06Q 10/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11290551

Heat dissipation in downhole equipment

IPC classification:
E21B 36/00, E21B 47/01
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP11290550

Well data acquisition tool probe guard

IPC classification:
E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
PATENT GRANTED
EP11290540

Longitudinal absorber for downhole tool chassis

IPC classification:
E21B 17/10, E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP11290541

Surface communication system for communication with downhole wireless modem prior to deployment

IPC classification:
E21B 47/12, G01V 11/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP11306662

Method for preparing a sample of rock cuttings extracted from a subsoil and associated analysis assembly

IPC classification:
E21B 25/00, E21B 49/02, G01N 1/36, G01N 33/24
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP11306660

Method for determining the relative content of a fist rock species and of a second rock species in a rock sample extracted from a wellbore, and associated device

IPC classification:
G01N 31/00, G01N 33/24
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP11290600

Thermal buffering of downhole equipment with phase change material

IPC classification:
E21B 47/01
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11290610

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

IPC classification:
E21B 47/08, E21B 47/10, E21B 47/12, G01B 7/13, G01V 1/00
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP11290509

Multi chip modules for downhole equipment

IPC classification:
H01L 23/15, H01L 23/498
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP12306047

Method of calibration for the use in a process of determining the content of a plurality of compounds contained in a drilling fluid

IPC classification:
E21B 21/06, G01N 33/28
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Martin Rzaniak, Schlumberger Ltd.
Status:
GRANT OF PATENT INTENDED
EP12305063

Installation for drilling a well into a soil and associated drilling method.

IPC classification:
E21B 21/01, E21B 21/08
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12290049

Apparatus and methods for testing inductively coupled downhole systems

IPC classification:
E21B 47/12, H01F 38/14
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
The patent has been granted
EP11290599

Systems and methods for downhole cement evaluation

IPC classification:
E21B 47/00, G01V 1/44
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP11290598

Method and system for calibrating a downhole imaging tool

IPC classification:
E21B 47/00, G01V 3/24
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP12306530

Downhole tool cooling system and method

IPC classification:
E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12306705

Electronic device sealing for a downhole tool

IPC classification:
H01L 21/50, H01L 21/52, H01L 21/54, H01L 23/10, H01L 23/20, H01L 23/552
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12290194

Method and arrangement for preventing hydrocarbon based deposition

IPC classification:
B01D 53/00, E21B 47/10, G01F 1/34
Applicant:
Schlumberger Technology B.V.
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP13153567

Mechanical filter for acoustic telemetry repeater

IPC classification:
E21B 47/16
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13153566

Transmitter and receiver band pass selection for wireless telemetry systems

IPC classification:
E21B 47/14, H04B 11/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Schlumberger SA
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13305233

Remote laser heating systems and methods

IPC classification:
B23K 26/12, B23K 26/20, E21B 7/15, E21B 36/04
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP14000783

Coriolis flow meter for wet gas measurement

IPC classification:
G01F 1/74, G01F 1/84
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13305497

Measurement Compensation Using Multiple Electromagnetic Transmitters

IPC classification:
E21B 47/00, E21B 47/09, G01V 3/28
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP12860212

SYSTEMS AND METHODS USING TUNABLE DIFFERENTIAL GRAVIMETER

IPC classification:
G01V 7/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
PATENT GRANTED
EP12290310

Method and apparatus for determining fluid parameters

IPC classification:
E21B 47/06, E21B 47/10, G01F 1/36, G01F 1/44, G01F 1/74
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12860055

SYSTEMS AND METHODS FOR DETERMINING PROPERTY OF A GEOLOGICAL FORMATION FROM GRAVITATIONAL POTENTIAL DIFFERENCE

IPC classification:
G01V 7/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP12857402

SOLID STATE LASERS

IPC classification:
H01S 3/09, H01S 3/098, H01S 3/10
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP12858101

PRODUCTION LOGGING TOOL AND METHOD FOR ANALYZING A PRODUCED FLUID

IPC classification:
E21B 49/08
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12290168

Downhole information storage and transmission

IPC classification:
E21B 47/12
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13305630

Systems and Methods for Cement Evaluation

IPC classification:
E21B 47/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
PATENT GRANTED
EP13305629

Systems and Methods for Data Driven Parametric Correction of Acoustic Cement Evaluation Data

IPC classification:
E21B 47/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP13305628

Systems and Methods for Processing Acoustic Cement Evaluation Data

IPC classification:
E21B 47/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION IN PROGRESS
EP13305675

Method for monitoring the drilling of a well using a floating drilling rig and associated monitoring system

IPC classification:
E21B 21/00, E21B 21/08, E21B 47/10, E21B 49/00
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13305674

Methods for maintaining zonal isolation in a subterranean well

IPC classification:
C04B 24/24, C04B 26/02, C04B 28/00, C04B 28/02, C04B 28/04, C04B 28/06, C04B 28/08, C04B 28/18, C04B 28/32, C04B 28/34, C04B 103/00, C09K 8/467
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Boxi Li, Schlumberger Cambridge Research Ltd
Status:
PATENT GRANTED
EP13305708

Thermal switch for downhole device

IPC classification:
E21B 41/00, E21B 47/01, H01H 37/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14001799

Apparatuses and methods for testing wellbore fluids

IPC classification:
E21B 21/00, E21B 33/13, G01N 11/14
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Boxi Li, Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP12306435

Wellbore instrument clock oscillator and instrument system made therewith

IPC classification:
G01V 13/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP13305982

System and method for logging isotope fractionation effects during mud gas logging

IPC classification:
E21B 47/10, E21B 49/00, G01N 33/24, G01N 33/28
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP12306583

Mud pulse telemetry devices, systems, and methods

IPC classification:
E21B 47/18
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
The patent has been granted
EP12306534

Downhole gas-filled radiation detector with optical fiber

IPC classification:
G01T 1/18
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP12306533

Cooling system and method for a downhole tool

IPC classification:
E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
PATENT GRANTED
EP12306531

Silicon-based oscillator for a downhole toolsystem made therewith

IPC classification:
G04G 3/04, H03H 9/02
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12306704

Integrated wellbore caliper

IPC classification:
E21B 47/08
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12306711

Method and device for determining the liquid volume fraction of entrained liquid

IPC classification:
B01D 17/02, B01D 17/12, B01D 19/00, E21B 43/00, G01F 15/08
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP12306706

Enhanced Visualization of Logging Information in Cased Wells Using Dynamic Normalization

IPC classification:
E21B 47/00, G01V 1/50, G01V 3/18
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP12306707

Systems and methods for resistivity measurement at multiple angles of rotation

IPC classification:
G01V 3/24
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12306709

Well-logging viewer with icons

IPC classification:
E21B 47/00, G01V 1/40, G01V 1/48, G01V 3/20, G06F 17/40
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12306710

DETERMINING SEISMIC SENSOR ORIENTATION IN A WELLBORE

IPC classification:
E21B 47/00, G01V 1/20, G01V 1/40, G01V 3/18, G01V 3/26
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12306712

Apparatus and method for calibration of coriolis meter for dry gas density measurement

IPC classification:
G01F 1/84, G01F 15/04, G01F 25/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP13305035

Downhole pressure compensator

IPC classification:
E21B 47/00, F15B 1/04, F15B 1/10
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
GRANT OF PATENT INTENDED
EP13305036

Fastening technique in a downhole tool

IPC classification:
E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
PATENT GRANTED
EP13305016

Digitizing in a pad of a downhole tool exposed to hydrostatic pressure

IPC classification:
E21B 49/00, G01V 3/20
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP13305020

Method and system for calibrating a downhole imaging tool

IPC classification:
G01V 3/24
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP13305017

Asic concept for a downhole tool

IPC classification:
E21B 47/00, G01V 3/24
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
GRANT OF PATENT INTENDED
EP12861165

SLABBED CORE FORMAT FOR BOREHOLE IMAGE DATA

IPC classification:
E21B 47/04, E21B 47/08, E21B 47/085
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Applicant:
Logined B.V.
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11748269

AN ANTI-LOCKING DEVICE FOR USE WITH AN ARM SYSTEM FOR LOGGING A WELLBORE AND METHOD FOR USING SAME

IPC classification:
E21B 17/10, E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290072

System and method for caliper calibration

IPC classification:
E21B 47/08, G01B 1/00, G01B 7/13, G01B 21/04
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
PATENT GRANTED
EP14290101

Fluid analysis using electron-positron annihilation

IPC classification:
G01F 1/74, G01F 25/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290094

Differential pressure mover

IPC classification:
E21B 43/12, E21B 49/08
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14305532

System and method for measuring free and dissolved gasses in drilling fluids

IPC classification:
G01N 33/28
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14305531

System and method for measuring free and dissolved gasses in drilling fluids

IPC classification:
G01N 33/28
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290113

Methods for cementing wells, using foamed cementing compositions

IPC classification:
C04B 28/04, C04B 38/02, C04B 38/10, C09K 8/473, E21B 36/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP14290149

Optical and electrical sensing of a multiphase fluid

IPC classification:
E21B 47/10, G01F 1/74, G01N 27/07
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP14290154

Electromagnetic assessment of multiple conductive tubulars

IPC classification:
E21B 47/08, G01B 7/06
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
PATENT GRANTED
EP14290161

Rotating downhole logging tool with reduced torque

IPC classification:
E21B 21/00, E21B 47/00, E21B 47/01
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290180

Systems and methods for determining annular fill material based on resistivity measurements

IPC classification:
G01V 3/20
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290205

Master communication tool for distributed network of wireless communication devices

IPC classification:
E21B 34/06, E21B 34/16, E21B 43/00, E21B 47/14
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP14290207

Compositions and methods for well cementing

IPC classification:
C04B 22/04, C04B 22/06, C04B 22/14, C04B 28/02, C09K 8/467
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION IN PROGRESS
EP14290206

Depth positioning using gamma-ray correlation and downhole parameter differential

IPC classification:
E21B 47/04
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION IN PROGRESS
EP11708198

MICRO-FABRICATED CHROMATOGRAPH COLUMN WITH SPUTTERED STATIONARY PHASE

IPC classification:
B01J 20/286, B01L 3/00, G01N 30/60
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11290602

Downhole pressure pulse generator and method

IPC classification:
E21B 47/18
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
EXAMINATION REQUESTED
EP11728590

A MULTIPHASE FLOWMETER AND LIQUID FILM MEASUREMENT METHOD

IPC classification:
G01F 1/74
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14290389

Systems and methods for removing noise from acoustic impedance logs

IPC classification:
G01V 1/48
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP14290390

Systems and methods for evaluating gas-contaminated cement

IPC classification:
E21B 47/00, G01N 29/06, G01N 29/44, G06T 7/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP11749080

FLOW METER SYSTEM AND METHOD FOR MEASURING AN AMOUNT OF LIQUID IN A LARGELY GASEOUS MULTIPHASE FLOW

IPC classification:
G01F 1/34, G01F 1/36, G01F 1/44, G01F 1/704, G01F 1/74, G01F 5/00, G01F 25/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11290615

Methods and systems for obtainin an electrical impedivity and/or resistivity image of a subterranean formation

IPC classification:
G01V 3/24
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11290508

Methods and systems for determining standoff between a downhole tool and a geological formation

IPC classification:
E21B 47/08
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11290611

Calibrator for a downhole caliper and method of using same

IPC classification:
E21B 47/08, G01B 7/13, G01B 21/04
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11290614

Methods and packages to protect electronics components in a subterranean environment

IPC classification:
G01V 1/52
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11183252

Apparatus and method for fluid phase fraction determination using X-rays

IPC classification:
G01N 23/087, G01N 23/12, G01N 33/28
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11720328

A FLOTATION UNIT FOR PURIFYING WATER, SUCH AS A CFU (COMPACT FLOTATION UNIT)

IPC classification:
B01D 17/02, B01D 19/00, B01F 5/04, B03D 1/24, C02F 1/24, C02F 101/32
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Peter Indahl, Awapatent A/S
Agent:
Peter Michael E. Arrowsmith, Cleveland Scott York
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12163534

Tension meter for measuring a mechanical tension along a longitudinal direction in a well and related subassembly and method.

IPC classification:
G01L 1/02, G01L 5/04
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11785111

DEVICE FOR ANALYZING AT LEAST ONE HYDROCARBON CONTAINED IN A DRILLING FLUID AND ASSOCIATED METHOD

IPC classification:
C10G 70/00, C10L 3/02, C10L 3/10, G01N 1/34, G01N 1/44, G01N 30/14, G01N 30/88, G01N 33/28
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11290542

Dynamic prediction of downhole temperature distributions

IPC classification:
E21B 47/06, G01K 7/42, G06F 7/544
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11290616

Downhole ultrasonic transducer and method of making same

IPC classification:
B06B 1/06, E21B 47/00, E21B 47/08, E21B 47/10, G01V 1/40
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11290612

System and method for measuring formation properties

IPC classification:
E21B 47/06, E21B 47/10, E21B 49/08
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12290182

Method and apparatus to detect an oil/water contact

IPC classification:
E21B 43/32, E21B 47/10, G01V 3/20
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Applicant:
PRAD Research and Development Limited
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
PATENT GRANTED
EP14867374

COMPACT FLOTATION UNIT HAVING MULTIPLE VANES DISPOSED AROUND A CYLINDER USED FOR WASTE COLLECTION

IPC classification:
B01D 17/035
Applicant:
Schlumberger Norge AS
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
EXAMINATION REQUESTED
EP15290175

WELL CEMENTING COMPOSITIONS AND METHODS

IPC classification:
C04B 28/04, C09K 8/487, C09K 8/493
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
Request for examination was made
EP15290232

FLUID IDENTIFICATION VIA PRESSURE

IPC classification:
E21B 49/08, E21B 49/10
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
APPLICATION PUBLISHED
EP15290251

SYSTEMS AND METHODS FOR EVALUATING ANNULAR MATERIAL USING BEAMFORMING FROM ACOUSTIC ARRAYS

IPC classification:
E21B 47/00, G01V 1/50
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
Request for examination was made
EP15290252

SYSTEMS, METHODS, AND COMPUTER-READABLE MEDIA FOR DETERMINING SHEAR-WAVE TO COMPRESSIONAL-WAVE VELOCITY RATIOS IN WELL CASINGS

IPC classification:
E21B 47/00, G01V 1/50
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Status:
APPLICATION PUBLISHED
EP15290288

CEMENT EVALUATION USING THE INTEGRATION OF MULTIPLE MODES OF ACOUSTIC MEASUREMENTS

IPC classification:
E21B 47/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
Request for examination was made
EP15290289

ENCAPSULATED SENSORS AND ELECTRONICS

IPC classification:
E21B 47/00, G01V 11/00
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
APPLICATION PUBLISHED
EP15290293

ASSEMBLY AND METHOD FOR AN EXPANDABLE PACKER

IPC classification:
E21B 33/127, E21B 49/10
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
Request for examination was made
EP15290327

DISTRIBUTION OF RADIOACTIVE TAGS AROUND OR ALONG WELL FOR DETECTION THEREOF

IPC classification:
E21B 47/04, E21B 47/09, E21B 47/10, E21B 47/12, E21B 47/18
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
Request for examination was made
EP15290311

METHOD TO DENOISE PULSE ECHO MEASUREMENT USING TOOL RESPONSE IN FRONT OF COLLARS

IPC classification:
E21B 47/00, G01V 1/40, G01V 1/50
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
APPLICATION PUBLISHED
EP15290312

APODIZATION OF PIEZO-COMPOSITE ACOUSTIC ELEMENTS

IPC classification:
B06B 1/06
Applicant:
Schlumberger Holdings Limited
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
APPLICATION PUBLISHED
EP16290023

DOWNHOLE FLUID PROPERTY MEASUREMENT

IPC classification:
G01F 1/10, G01F 1/115, G01N 9/00, G01N 11/14
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
The application has been published
EP16290106

FLUID COMPONENT DETERMINATION USING THERMAL PROPERTIES

IPC classification:
E21B 21/08, E21B 47/00, E21B 47/10, G01F 1/44, G01F 1/698, G01F 1/74, G01N 25/18, G01N 33/28
Applicant:
Schlumberger Technology B.V.
Applicant:
Services Pétroliers Schlumberger SA
Agent:
Martin Rzaniak, Etudes & Productions Schlumberger
Agent:
Schlumberger Cambridge Research Ltd
Status:
The application has been published

Please Sign in to use this feature