ClassID:

135710

E21B47/12 - page 3 - CPC Classification

Classification description:

Survey of boreholes or wells Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Recent Application in this class:
#601
20200318474
2020-10-08

Method and system for monitoring, communicating and controlling completion related operations

#602
20200318471
2020-10-08

Downhole drilling using a network of drilling rigs

#603
20200309989
2020-10-01

WELLBORE AND RESERVOIR LOGGING-MAPPING-CHARACTERIZATION SYSTEM

#604
20200308960
2020-10-01

BATTERY SYSTEM FOR DOWNHOLE DRILLING TOOLS

#605
20200308954
2020-10-01

Instrumented rotary tool with sensor in cavity

#606
20200308918
2020-10-01

System and method for calibration of hydraulic models by surface string weight

#607
20200304143
2020-09-24

Remote downhole signal decoder and method for signal re-transmission

#608
20200301086
2020-09-24

Hybrid Cable Usable Downhole

#609
20200300085
2020-09-24

Compact logging while drilling look around and look ahead tool

#610
20200300084
2020-09-24

Compact logging while drilling look around and look ahead tool

#611
20200300080
2020-09-24

System comprising a ground drilling device, method of controlling an operation of a ground drilling device and use of a ground drilling device

#612
20200295849
2020-09-17

HIGH PERFORMANCE TELEMETRY SYSTEM WITH A COMBINATION OF SOFT AND HARD DECISION DECODNIG

#613
20200292728
2020-09-17

Systems and methods to utilize sensors to provide spatial resolution in downhole leak detection

#614
20200291767
2020-09-17

Performance based condition monitoring

#615
20200284941
2020-09-10

Nitrogen-vacancy-based downhole sensing

#616
20200284934
2020-09-10

Sensing-acquisition-wireless transmission integrated microseismic monitoring system and method

#617
20200284144
2020-09-10

Downhole operations using remote operated sleeves and apparatus therefor

#618
20200284143
2020-09-10

Method to detect real-time drilling events

#619
20200284137
2020-09-10

Space mapping optimization to characterize multiple concentric pipes

#620
20200277852
2020-09-03

Tracer injection with integrated product identification

#621
20200277823
2020-09-03

DRILLING APPARATUS AND METHOD FOR THE DETERMINATION OF FORMATION LOCATION

#622
20200270979
2020-08-27

Automated pump-down

#623
20200270958
2020-08-27

WELLBORE CLEANING EFFICIENCY MONITORING

#624
20200270954
2020-08-27

Perforating shock protection for sensors

#625
20200263536
2020-08-20

Instrumenting unconventional wells for real time in situ frac height determination, reservoir fluid movement, production monitoring and well integrity in fractured stages

#626
20200263506
2020-08-20

Downhole connection

#627
20200259593
2020-08-13

Robust telemetry repeater network system and method

#628
20200256183
2020-08-13

Calculation of mud angle for imaging wells with oil based muds

#629
20200256146
2020-08-13

Adaptive tractor wheel

#630
20200248531
2020-08-06

Electronic initiator sleeves and methods of use

#631
20200240266
2020-07-30

Method and apparatus for controlling downhole water production

#632
20200240262
2020-07-30

Optical splash communication in downhole applications

#633
20200240259
2020-07-30

FLOW NETWORK MODEL ANALYSIS

#634
20200236446
2020-07-23

SYSTEMS AND METHODS FOR TRANSFERRING DATA FROM REMOTE SITES

#635
20200224532
2020-07-16

Method and system for acquiring geological data from a bore hole

#636
20200224514
2020-07-16

Well with two casings

#637
20200224508
2020-07-16

Real-time pump-down perforating data acquisition and application automation response

#638
20200217188
2020-07-09

Monitoring and mapping system of the space-time distribution of formation fluids in a reservoir and a completion and production plant of a well for the extraction of formation fluids

#639
20200208509
2020-07-02

Controlling downhole-type rotating machines

#640
20200208502
2020-07-02

Downhole remote trigger activation device for VLH big bore and mono bore configured running tools with programming logic

#641
20200201658
2020-06-25

Modeling of fluid introduction and/or fluid extraction elements in simulation of coreflood experiment

#642
20200200002
2020-06-25

PIPING ASSEMBLY CONTROL SYSTEM WITH ADDRESSED DATAGRAMS

#643
20200199941
2020-06-25

Rock drilling machine, rock drilling rig and measuring method

#644
20200191645
2020-06-18

Determining structural tomographic properties of a geologic formation

#645
20200191644
2020-06-18

Determining structural tomographic properties of a geologic formation

#646
20200190972
2020-06-18

Electrical downhole communication connection for downhole drilling

#647
20200190931
2020-06-18

Subsea control system

#648
20200190923
2020-06-18

Weighted material point method for managing fluid flow in pipes

#649
20200182830
2020-06-11

Artifact identification and removal method for electromagnetic pipe inspection

#650
20200182050
2020-06-11

System and Method for Downhole Telemetry

#651
20200182036
2020-06-11

Integrated surveillance and control

#652
20200182029
2020-06-11

Electrical submersible pump motor adjustment

#653
20200182012
2020-06-11

Downhole Trigger Tool

#654
20200173270
2020-06-04

Downhole drilling apparatus and method of control thereof

#655
20200173263
2020-06-04

Flow restrictor for installation in an underground conduit connected to an underground vault

#656
20200173258
2020-06-04

Apparatus and methods for well intervention

#657
20200165906
2020-05-28

Smart sand control service tool positioning

#658
20200157931
2020-05-21

Surface recognition and downlink receiver

#659
20200157918
2020-05-21

Downhole induction heater

#660
20200157909
2020-05-21

Autonomous unit launching system for oil and gas wells logging, method of installation and uninstallation of said autonomous unit in the system and rescue system

#661
20200150306
2020-05-14

Systems and methods for pulsed neutron logging in a subterranean wellbore

#662
20200149396
2020-05-14

Determining characteristics of a fluid in a wellbore

#663
20200149395
2020-05-14

Multiphase flow meter with tuning fork

#664
20200149390
2020-05-14

METHOD AND APPARATUS FOR PERFORMING A SURVEY OF TUBING WHICH IS STUCK IN A BOREHOLE, E.G. FOR DETERMINING A FREE POINT

#665
20200149370
2020-05-14

Actuatable deflector for a completion sleeve in multilateral wells

#666
20200131883
2020-04-30

Thru-tubing subsurface completion unit employing detachable anchoring seals

#667
20200123894
2020-04-23

Downhole monitoring method

#668
20200123887
2020-04-23

Process and system for enhanced depth penetration of an energy source

#669
20200117318
2020-04-16

Correlating multiple drilling data streams to generate graphical widgets for display on a graphical user interface

#670
20200116891
2020-04-16

Obtaining inelastic spectra free of detector born gamma rays induced by neutrons

#671
20200116018
2020-04-16

Dynamic transducer normalization

#672
20200116014
2020-04-16

Advanced drill string communication system and method

#673
20200116013
2020-04-16

High Voltage Protection and Receiver Saturation Prevention Apparatus with High Voltage Peeking Functions for Downhole Logging

#674
20200115992
2020-04-16

Systems and techniques for controlling and monitoring downhole operations in a well

#675
20200115964
2020-04-16

Intervention system and method for operating an intervention system

#676
20200115623
2020-04-16

Water-in-oil hydraulic fracturing fluid and method of using such

#677
20200109625
2020-04-09

Piping assembly transponder system with addressed datagrams

#678
20200109624
2020-04-09

Direct sequence spectrum signal downhole tool

#679
20200109623
2020-04-09

Correcting clock drift between multiple data streams detected during oil and gas wellbore operations

#680
20200109619
2020-04-09

System and method for downhole and surface measurements for an electric submersible pump

#681
20200102816
2020-04-02

Verifiable downlinking method

#682
20200095861
2020-03-26

Identifying tubing leaks via downhole sensing

#683
20200092199
2020-03-19

Systems and methods for backup communications

#684
20200088028
2020-03-19

System and method for dual telemetry noise reduction

#685
20200080417
2020-03-12

Battery system for downhole drilling tools

#686
20200080402
2020-03-12

Support device for tubing string

#687
20200072043
2020-03-05

Discrete wellbore devices, hydrocarbon wells including a downhole communication network and the discrete wellbore devices and systems and methods including the same

#688
20200072033
2020-03-05

Control for rotary steerable system

#689
20200072027
2020-03-05

Injection Wells

#690
20200064505
2020-02-27

NOVEL FREQUENCY-SHIFTING METHOD AND APPARATUS FOR CEMENT-BOND LOGGING

#691
20200063549
2020-02-27

Gauge assembly and method of delivering a gauge assembly into a wellbore

#692
20200056476
2020-02-20

Single layer antenna path profile

#693
20200056472
2020-02-20

Rotation monitoring with magnetic film

#694
20200055196
2020-02-20

Device and method to position an end effector in a well

#695
20200049001
2020-02-13

Downhole data transmission and surface synchronization

#696
20200041683
2020-02-06

Processing resistivity images in wells with oil based muds

#697
20200040701
2020-02-06

Thru-tubing retrievable intelligent completion system

#698
20200040700
2020-02-06

Thru-tubing retrievable intelligent completion system

#699
20200040699
2020-02-06

Thru-tubing retrievable intelligent completion system

#700
20200040698
2020-02-06

Thru-tubing retrievable subsurface completion system

#701
20200040697
2020-02-06

Thru-tubing retrievable subsurface completion system

#702
20200040696
2020-02-06

Thru-tubing retrievable subsurface completion system

#703
20200040672
2020-02-06

METHOD AND SYSTEM FOR PIPE CONVEYED LOGGING

#704
20200040657
2020-02-06

Systems and methods for controlling a drilling path based on drift estimates

#705
20200032620
2020-01-30

MULTILATERAL JUNCTION FITTING FOR INTELLIGENT COMPLETION OF WELL

#706
20200024918
2020-01-23

Linear actuator with hydraulic feed through

#707
20200020048
2020-01-16

METHOD OF PROVIDING WIRED PIPE DRILL SERVICES

#708
20200018155
2020-01-16

DOWNHOLE WIRELINE COMMUNICATION

#709
20200018149
2020-01-16

Systems and methods for detecting a subsurface event

#710
20200018130
2020-01-16

Drilling motor having sensors for performance monitoring

#711
20200011168
2020-01-09

Tool position detection system

#712
20200003053
2020-01-02

Sample phase quality control

#713
20200003046
2020-01-02

Well construction using downhole communication and/or data

#714
20200003033
2020-01-02

Casing conveyed, externally mounted perforation concept

#715
20190392532
2019-12-26

Well exploration, service and production appliance architecture

#716
20190390547
2019-12-26

Dynamic system for field operations

#717
20190390543
2019-12-26

Depth positioning using gamma-ray correlation and downhole parameter differential

#718
20190390538
2019-12-26

Downhole Solid State Pumps

#719
20190390536
2019-12-26

Micro-controller-based switch assembly for wellbore systems and method

#720
20190383137
2019-12-19

Wireless activation of wellbore tools

#721
20190383135
2019-12-19

Systems and methods for downhole memory tool activation and control

#722
20190383133
2019-12-19

Automated well-log correlation using descriptors

#723
20190383131
2019-12-19

Disposing a carrier downhole in a wellbore to evaluate an earth formation

#724
20190376383
2019-12-12

Methods to synchronize signals among antennas with different clock systems

#725
20190376381
2019-12-12

Logging while drilling (LWD) mechanical calipers

#726
20190368343
2019-12-05

Hydraulically assisted pulser system and related methods

#727
20190368341
2019-12-05

Systems and methods for wirelessly monitoring well conditions

#728
20190368340
2019-12-05

Systems and methods for wirelessly monitoring well conditions

#729
20190368325
2019-12-05

Axial gap generator measurement tool

#730
20190361142
2019-11-28

Insulator base for antenna assemblies

#731
20190360332
2019-11-28

Obtaining high-resolution spectral data of formation fluids from optical computing device measurements

#732
20190360278
2019-11-28

Downhole tool using a unified electronic interface

#733
20190353030
2019-11-21

DOWNHOLE COMMUNICATION

#734
20190353010
2019-11-21

Downhole energy harvesting

#735
20190352969
2019-11-21

Rotary steerable drilling system and method with imbalanced force control

#736
20190345817
2019-11-14

Downhole reception and transmission of electromagnetic data telemetry signals

#737
20190345816
2019-11-14

Methods and apparatus to measure formation features

#738
20190345811
2019-11-14

System and method for drilling weight-on-bit based on distributed inputs

#739
20190345785
2019-11-14

Downhole tractor for use in a wellbore

#740
20190345771
2019-11-14

Sliding mode control techniques for steerable systems

#741
20190338633
2019-11-07

Incorporating mandrel current measurements in electromagnetic ranging inversion

#742
20190338630
2019-11-07

Recording device for measuring downhole parameters

#743
20190338628
2019-11-07

Monitoring operating conditions of a rotary steerable system

#744
20190335294
2019-10-31

Location-based services

#745
20190332089
2019-10-31

Method and device for obtaining measurements of downhole properties in a subterranean well

#746
20190330977
2019-10-31

Data transmission in drilling operation environments

#747
20190330968
2019-10-31

Real-time modification of a slide drilling segment based on continuous downhole data

#748
20190323322
2019-10-24

Downhole energy harvesting

#749
20190323307
2019-10-24

Wireline well abandonment tool

#750
20190322342
2019-10-24

Oil field well downhole drone

#751
20190309622
2019-10-10

Adaptive signal detection for communicating with downhole tools

#752
20190309621
2019-10-10

Drilling communication system with Wi-Fi wet connect

#753
20190309620
2019-10-10

Performing an action at a wellbore operation based on anonymized data

#754
20190309619
2019-10-10

Performing an action at a wellbore operation based on anonymized data

#755
20190309591
2019-10-10

Vibration-induced installation of wellbore casing

#756
20190301925
2019-10-03

Determining structural tomographic properties of a geologic formation

#757
20190301281
2019-10-03

Oil-Based Mud contamination estimate from physical properties

#758
20190301279
2019-10-03

Telemetry system

#759
20190301278
2019-10-03

Systems and methods to improve distributed acoustic sensing properties of optical fibers

#760
20190301275
2019-10-03

Apparatus and method for downhole data acquisition and or monitoring

#761
20190301258
2019-10-03

Downhole Fishing

#762
20190292907
2019-09-26

System and method for transmitting information in a borehole

#763
20190292905
2019-09-26

Method of monitoring a reservoir

#764
20190292899
2019-09-26

Virtual downhole sub

#765
20190292896
2019-09-26

Opening a wellbore with a smart hole-opener

#766
20190284930
2019-09-19

Integrated downhole system with plural telemetry subsystems

#767
20190278239
2019-09-12

System, apparatus and method for guiding a drill bit based on forces applied to a drill bit

#768
20190278038
2019-09-12

DOWNHOLE LOGGING CABLES WITH CENTRAL CONDUCTORS

#769
20190277136
2019-09-12

Modular resistivity sensor for downhole measurement while drilling

#770
20190277135
2019-09-12

System and method for detecting downhole events

#771
20190277091
2019-09-12

Wired motor for realtime data

#772
20190273973
2019-09-05

Self-powered microsensors for in-situ spatial and temporal measurements and methods of using same in hydraulic fracturing

#773
20190271211
2019-09-05

Probabilistic area of interest identification for well placement planning under uncertainty

#774
20190271193
2019-09-05

Enclosed module for a downhole system

#775
20190265199
2019-08-29

Method and system of evaluating cement bonds through tubing

#776
20190264557
2019-08-29

ENCAPSULATED DOWNHOLE ASSEMBLY AND METHOD OF POTTING AND MOUNTING SAME

#777
20190257201
2019-08-22

Method and system for extracting reservoir fluid sample

#778
20190257194
2019-08-22

Dual telemetric coiled tubing system

#779
20190249549
2019-08-15

Flow rate signals for wireless downhole communication

#780
20190249548
2019-08-15

Downhole wireless communication node and sensor/tools interface

#781
20190249544
2019-08-15

Telemetry system including a super conductor for a resource exploration and recovery system

#782
20190249543
2019-08-15

RECONFIGURABLE TOOL BUS NETWORK FOR A BOTTOM HOLE ASSEMBLY

#783
20190249520
2019-08-15

Wireless activation of wellbore completion assemblies

#784
20190242242
2019-08-08

One-way flow monitoring device and oil well liquid production capacity calculation method

#785
20190242210
2019-08-08

Inflatable packer internal pressure compensation assembly

#786
20190242196
2019-08-08

Method and system for data-transfer via a drill pipe

#787
20190235125
2019-08-01

Systems and methods for determining the presence of cement behind at least one casing using spectroscopy measurement

#788
20190235120
2019-08-01

Latch antenna shield for downhole logging tool

#789
20190235007
2019-08-01

Method of fault detection and recovery in a tubing string located in a hydrocarbon well, and apparatus for same

#790
20190234207
2019-08-01

OPTIMIZATION OF RATE-OF-PENETRATION

#791
20190234201
2019-08-01

System and method of triggering, acquiring and communicating borehole data for a MWD system

#792
20190234197
2019-08-01

Horizontal directional drilling area network and methods

#793
20190234179
2019-08-01

Elimination of perofration process in plug and perf with downhole electronic sleeves

#794
20190234145
2019-08-01

DRILLING CONTROL AND INFORMATION SYSTEM

#795
20190226336
2019-07-25

System and method for analysis and control of drilling mud and additives

#796
20190226332
2019-07-25

System and method for multi-frequency downhole bus communication

#797
20190226324
2019-07-25

Downhole leak monitor system

#798
20190226311
2019-07-25

Methods and electrically-actuated apparatus for wellbore operations

#799
20190226306
2019-07-25

Method of producing from a hydrocarbon bearing zone with laterals extending from an inclined main bore

#800
20190226291
2019-07-25

Mitigating Swab and Surge Piston Effects in Wellbores

#801
20190226289
2019-07-25

Degaussing ferrous material within drilling fluids

#802
20190218908
2019-07-18

Detection of downhole data telemetry signals

#803
20190218906
2019-07-18

System and method for estimation and prediction of production rate of a well via geometric mapping of a perforation zone using a three-dimensional acoustic array

#804
20190218903
2019-07-18

Method and device for measuring surface dynamometer cards and operation diagnosis in sucker-rod pumped oil wells

#805
20190218877
2019-07-18

Transducer assembly for offshore drilling riser

#806
20190212908
2019-07-11

Non-linear probabilistic wagering for amplified collective intelligence

#807
20190212393
2019-07-11

Battery pack for use downhole having torsion-limiting means

#808
20190211673
2019-07-11

Hydraulically assisted pulser system and related methods

#809
20190203594
2019-07-04

AUTOMATIC METHOD AND SYSTEM FOR DETECTING PROBLEMATIC GEOLOGICAL FORMATIONS AHEAD OF TUNNEL FACES

#810
20190203589
2019-07-04

Integrated downhole system with plural telemetry subsystems

#811
20190203588
2019-07-04

Real-time monitoring of downhole dynamic events

#812
20190203586
2019-07-04

Coiled tubing telemetry system and method for production logging and profiling

#813
20190195683
2019-06-27

Determining structural tomographic properties of a geologic formation

#814
20190195682
2019-06-27

Determining structural tomographic properties of a geologic formation

#815
20190195028
2019-06-27

Downhole wet connection systems

#816
20190186224
2019-06-20

Wireline deployed multi-stage stimulation and fracturing system

#817
20190179051
2019-06-13

Methods of drilling with resistivity tools

#818
20190178076
2019-06-13

Verification of swelling in a well

#819
20190169985
2019-06-06

Simultaneous distributed measurements on optical fiber

#820
20190169984
2019-06-06

Directional control of wellbore trajectories

#821
20190169976
2019-06-06

Environmental sensing wireline standoff

#822
20190169974
2019-06-06

Steering control of a drilling tool

#823
20190169972
2019-06-06

Modeling and simulation of complete drill strings

#824
20190153852
2019-05-23

Downhole tool protection cover

#825
20190153850
2019-05-23

Method of evaluating cement on the outside of a well casing

#826
20190153831
2019-05-23

Linear electric submersible pump unit

#827
20190153790
2019-05-23

Slide cartridge

#828
20190149894
2019-05-16

Systems and methods for transferring data from remote sites

#829
20190145248
2019-05-16

Remotely operated inflow control valve

#830
20190145241
2019-05-16

Guided wave attenuation well logging excitation optimizer based on waveform modeling

#831
20190145240
2019-05-16

System and method for detecting a mode of drilling

#832
20190145227
2019-05-16

Wireline services system

#833
20190145207
2019-05-16

System using flow vibration detection and method

#834
20190136683
2019-05-09

Methods of drilling with resistivity tools

#835
20190136682
2019-05-09

System and method for determining the location of a bottom hole assembly

#836
20190136631
2019-05-09

Systems and methods for directional drilling

#837
20190136114
2019-05-09

Conductive wellbore fluids and/or filtercakes, wellbore fluids for producing the same, and methods of use thereof

#838
20190128113
2019-05-02

Method of pressure testing

#839
20190128109
2019-05-02

Intelligent well system

#840
20190128107
2019-05-02

Remote control and monitoring of engine control system

#841
20190128079
2019-05-02

Tripping speed modification

#842
20190128071
2019-05-02

Rotary steerable system having actuator with linkage

#843
20190120021
2019-04-25

Actuatable deflector for a completion sleeve in multilateral wells

#844
20190119996
2019-04-25

Tool joint finding apparatus and method

#845
20190119551
2019-04-25

Methods of formulating conductive wellbore fluids

#846
20190113639
2019-04-18

Method and device for estimating sonic slowness in a subterranean formation

#847
20190112917
2019-04-18

Method and system for performing operations with communications

#848
20190112915
2019-04-18

Method and system for performing hydrocarbon operations with mixed communication networks

#849
20190112914
2019-04-18

Enhancing reservoir production optimization through integrating inter-well tracers

#850
20190112882
2019-04-18

Oil Field Services Apparatus and Methods

#851
20190106982
2019-04-11

Adaptive quality control for monitoring wellbore drilling

#852
20190106977
2019-04-11

Tool coupler with data and signal transfer methods for top drive

#853
20190100989
2019-04-04

System and method for monitoring operations of equipment by sensing deformity in equipment housing

#854
20190100985
2019-04-04

Geosteering process documenting system and methods

#855
20190100979
2019-04-04

Signal operated isolation valve

#856
20190093459
2019-03-28

Inner and outer downhole structures having downlink activation

#857
20190093436
2019-03-28

Drilling with a whipstock system

#858
20190089290
2019-03-21

High speed motor drive

#859
20190086575
2019-03-21

Real-Time Self-Consistency Quality Indicators for Multi-Component Induction Tools

#860
20190085683
2019-03-21

Automated drilling instructions for steerable drilling systems

#861
20190085672
2019-03-21

Sealless downhole system with magnetically supported rotor

#862
20190085671
2019-03-21

Thrust load support for downhole-type system

#863
20190085669
2019-03-21

Active magnetic bearing control for downhole-type system

#864
20190085668
2019-03-21

Axial gap generator measurement tool

#865
20190079210
2019-03-14

Component-based look-up table calibration for modularized resistivity tool

#866
20190078428
2019-03-14

Automated optimization of downhole tools during underreaming while drilling operations

#867
20190071966
2019-03-07

Local electrical room module for well construction apparatus

#868
20190071939
2019-03-07

Method and system for pipe conveyed logging

#869
20190069453
2019-02-28

Broadband wireline cable

#870
20190063216
2019-02-28

Multiphase flow meter with tuning fork

#871
20190063215
2019-02-28

Methods and systems for obtaining high-resolution spectral data of formation fluids from optical computing device measurements

#872
20190063214
2019-02-28

WELLBORE TOOL POSITIONING SYSTEM AND METHOD

#873
20190063212
2019-02-28

Sensor construction for distributed pressure sensing

#874
20190063211
2019-02-28

System for detecting and alerting drill depth based on designated elevation, strata and other parameters

#875
20190052410
2019-02-14

Robust telemetry repeater network system and method

#876
20190052374
2019-02-14

Calibrating A Digital Telemetry System

#877
20190049614
2019-02-14

Detection and avoidance of downhole noise and interference sources

#878
20190048715
2019-02-14

Distributed remote logging

#879
20190048704
2019-02-14

Methods of drilling a wellbore within a subsurface region and drilling control systems that perform the methods

#880
20190044574
2019-02-07

Use of crosstalk between adjacent cables for wireless communication

#881
20190040733
2019-02-07

Downhole tension sensing apparatus

#882
20190040702
2019-02-07

Vibration-induced installation of wellbore casing

#883
20190032483
2019-01-31

Deviated production well telemetry with assisting well/drillship

#884
20190032482
2019-01-31

PIPING ASSEMBLY CONTROL SYSTEM WITH ADDRESSED DATAGRAMS

#885
20190032481
2019-01-31

Piping assembly with probes utilizing addressed datagrams

#886
20190032475
2019-01-31

Borehole shape estimation

#887
20190032470
2019-01-31

Downhole tension sensing apparatus

#888
20190032469
2019-01-31

System and method for monitoring the performances of a cable carrying a downhole assembly

#889
20190032436
2019-01-31

Systems for retrievable subsea blowout preventer stack modules

#890
20190032423
2019-01-31

Inductive coupling

#891
20190024503
2019-01-24

pH-sensitive chemicals for downhole fluid sensing and communication with the surface

#892
20190024498
2019-01-24

Downhole communication device

#893
20190024496
2019-01-24

Systems and methods for wirelessly monitoring well integrity

#894
20190024481
2019-01-24

Downhole sensor system using resonant source

#895
20190024477
2019-01-24

Replaceable downhole electronic hub

#896
20190024462
2019-01-24

Inductive coupling

#897
20190017372
2019-01-17

Fluid pressure pulse generator and flow bypass sleeve for a telemetry tool

#898
20190017370
2019-01-17

Quality factors for appraising resistivity LWD inversion performance

#899
20190017349
2019-01-17

Intelligent switching valve for reservoir reformation and production monitoring and control and construction method therefor

#900
20190011593
2019-01-10

Monitoring hydrocarbon reservoirs using induced polarization effect