Martin Rzaniak
We have observed 99 EP applications Martin Rzaniak has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after May 22, 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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- █ APPLICATION DEEMED TO BE WITHDRAWN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
- Agent:
- Schlumberger Cambridge Research Ltd
- Status:
- █ GRANT OF PATENT INTENDED
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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- Status:
- █ EXAMINATION IN PROGRESS
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
- Agent:
- Schlumberger Cambridge Research Ltd
- Status:
- █ EXAMINATION REQUESTED
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
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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- 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
EP15290308
RESONANCE-BASED INVERSION OF ACOUSTIC IMPEDANCE OF ANNULUS BEHIND CASING
- 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
- Agent:
- Schlumberger Cambridge Research Ltd
- Status:
- █ Request for examination was made