ClassID:

135710

E21B47/12 - page 7 - 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:
#1801
20130161096
2013-06-27

System and method for determining incremental progression between survey points while drilling

#1802
20130146279
2013-06-13

SYSTEM AND METHOD FOR BOREHOLE COMMUNICATION

#1803
20130138254
2013-05-30

Automated controls for pump down operations

#1804
20130135114
2013-05-30

Real time data compression and transmission

#1805
20130134981
2013-05-30

Crystal sensor made by ion implantation for sensing a property of interest within a borehole in the earth

#1806
20130120154
2013-05-16

Multiple distributed sensors along a drillstring

#1807
20130113487
2013-05-09

Instrumented core barrels and methods of monitoring a core while the core is being cut

#1808
20130105148
2013-05-02

HYDROCARBON DETECTION IN ANNULUS OF WELL

#1809
20130096835
2013-04-18

Clustering process for analyzing pressure gradient data

#1810
20130092394
2013-04-18

Well Screen with Extending Filter

#1811
20130091943
2013-04-18

Tracer identification of downhole tool actuation

#1812
20130087321
2013-04-11

System for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well

#1813
20130081807
2013-04-04

Providing equipment in lateral branches of a well

#1814
20130080065
2013-03-28

Apparatus, computer readable medium, and program code for evaluating rock properties while drilling using downhole acoustic sensors and telemetry system

#1815
20130076907
2013-03-28

Mobile wellsite monitoring

#1816
20130075087
2013-03-28

Module For Use With Completion Equipment

#1817
20130068526
2013-03-21

Systems and methods for downhole BHA insulation in magnetic ranging applications

#1818
20130068453
2013-03-21

Dual purpose observation and production well

#1819
20130063276
2013-03-14

Downhole telemetry signalling apparatus

#1820
20130054203
2013-02-28

Modeling and simulation of complete drill strings

#1821
20130049982
2013-02-28

System and method for stick-slip correction

#1822
20130047717
2013-02-28

Corrected porosity measurements of underground formations

#1823
20130043048
2013-02-21

Systems and Methods for Selective Electrical Isolation of Downhole Tools

#1824
20130038462
2013-02-14

System and method for data transmission via acoustic channels

#1825
20130037260
2013-02-14

Systems and Methods for Downhole Communications Using Power Cycling

#1826
20130033383
2013-02-07

Systems and methods for implementing different modes of communication on a communication line between surface and downhole equipment

#1827
20130032403
2013-02-07

Rechargeable battery controller

#1828
20130032402
2013-02-07

Adaptive drilling control system

#1829
20130032177
2013-02-07

Method and apparatus for stripping optical fibers and optical fiber assemblies

#1830
20130014992
2013-01-17

Data Transfer In A Two-Pipe Directional Drilling System

#1831
20130014934
2013-01-17

Smart drop-off tool and hang-off tool for a logging string

#1832
20130010572
2013-01-10

Actuating downhole devices in a wellbore

#1833
20130008648
2013-01-10

Apparatus and method for well operations

#1834
20130008647
2013-01-10

Apparatus and Method for Well Operations

#1835
20130000981
2013-01-03

CONTROL OF DOWNHOLE SAFETY DEVICES

#1836
20120325463
2012-12-27

Device for intervention in a well comprising a pyrotechnic system, installation and method associated therewith

#1837
20120316788
2012-12-13

Formation testing planning and monitoring

#1838
20120303326
2012-11-29

Reservoir Evaluation System

#1839
20120292023
2012-11-22

Verification of swelling in a well

#1840
20120286967
2012-11-15

Downhole data transmission system

#1841
20120273270
2012-11-01

Look ahead advance formation evaluation tool

#1842
20120267519
2012-10-25

Ruggedized high temperature compatible radiation detector

#1843
20120263243
2012-10-18

System for communicating over a power cable

#1844
20120256759
2012-10-11

System and method for downhole telemetry

#1845
20120234558
2012-09-20

Remotely operated isolation valve

#1846
20120218863
2012-08-30

INGROUND DRILL STRING HOUSING AND METHOD FOR SIGNAL COUPLING

#1847
20120211278
2012-08-23

SYSTEM AND METHOD FOR REMOTE SENSING

#1848
20120199368
2012-08-09

Method and device for deploying a cable and an apparatus in the ground

#1849
20120199352
2012-08-09

Connection cartridge for downhole string

#1850
20120199031
2012-08-09

Device for verifying detonator connection

#1851
20120181020
2012-07-19

Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries

#1852
20120179379
2012-07-12

Flow Profile Modeling for Wells

#1853
20120176138
2012-07-12

Reliable wired-pipe data transmission system

#1854
20120173218
2012-07-05

Method and system for drilling rig testing using virtualized components

#1855
20120170410
2012-07-05

Piping communication

#1856
20120170409
2012-07-05

Determining the order of devices in a downhole string

#1857
20120169509
2012-07-05

Method and devices for terminating communication between a node and a carrier

#1858
20120166089
2012-06-28

Job monitoring methods and apparatus for logging-while-drilling equipment

#1859
20120152554
2012-06-21

Devices and methods for transmitting EDS back-up signals to subsea pods

#1860
20120143899
2012-06-07

System and methods for integrating and using information relating to a complex process

#1861
20120139739
2012-06-07

Monitored filament insertion for resitivity testing

#1862
20120133525
2012-05-31

Method and apparatus for subsea wireless communication

#1863
20120127829
2012-05-24

Generating fluid telemetry

#1864
20120125686
2012-05-24

Method and system for transferring signals through a drill pipe system

#1865
20120118578
2012-05-17

Purging of Fiber Optic Conduits in Subterranean Wells

#1866
20120109603
2012-05-03

Quantitative calculation method for oil (gas) saturation of fractured reservoir

#1867
20120090687
2012-04-19

Remotely controllable fluid flow control assembly

#1868
20120080227
2012-04-05

Wireless transmission system and system for monitoring a drilling rig operation

#1869
20120073805
2012-03-29

Method for monitoring cement plugs

#1870
20120073804
2012-03-29

System for monitoring linearity of down-hole pumping systems during deployment and related methods

#1871
20120067594
2012-03-22

Signal operated isolation valve

#1872
20120067567
2012-03-22

DOWNHOLE COMPLETION SYSTEM WITH RETRIEVABLE POWER UNIT

#1873
20120061559
2012-03-15

Downhole sensor tool for nuclear measurements

#1874
20120055713
2012-03-08

Drill bit with adjustable side force

#1875
20120048571
2012-03-01

Remotely-controlled downhole device and method for using same

#1876
20120048552
2012-03-01

Method of using wired drillpipe for oilfield fishing operations

#1877
20120043069
2012-02-23

DOWNHOLE WIRELINE WIRELESS COMMUNICATION

#1878
20120037422
2012-02-16

Drilling tool, apparatus and method for underreaming and simultaneously monitoring and controlling wellbore diameter

#1879
20120031672
2012-02-09

Apparatus and methods for real time communication in drill strings

#1880
20120031670
2012-02-09

Apparatus and methods for real time communication between drill bit and drilling assembly

#1881
20120031494
2012-02-09

SAFETY VALVE CONTROL SYSTEM AND METHOD OF USE

#1882
20120024520
2012-02-02

Well screens constructed utilizing pre-formed annular elements

#1883
20120018219
2012-01-26

METHOD AND STEERING ASSEMBLY FOR DRILLING A BOREHOLE IN AN EARTH FORMATION

#1884
20120018173
2012-01-26

Wellbore tool with exchangeable blades

#1885
20120014219
2012-01-19

Wellbore telemetry and noise cancellation systems and methods for the same

#1886
20120013481
2012-01-19

Wellbore Telemetry And Noise Cancellation Systems And Method For The Same

#1887
20110315445
2011-12-29

Methods for installing sensors in a borehole

#1888
20110315399
2011-12-29

Gasket for inductive coupling between wired drill pipe

#1889
20110309678
2011-12-22

Systems and methods for isolating current flow to well loads

#1890
20110290559
2011-12-01

SURFACE REAL-TIME PROCESSING OF DOWNHOLE DATA

#1891
20110290497
2011-12-01

Subsea hydrocarbon production system

#1892
20110290011
2011-12-01

Identification of casing collars while drilling and post drilling using LWD and wireline measurements

#1893
20110278064
2011-11-17

Electronically activated underreamer and calliper tool

#1894
20110267064
2011-11-03

Boring tool locating signal frequency tracking apparatus

#1895
20110253447
2011-10-20

Multiple distributed force measurements

#1896
20110247878
2011-10-13

Expansion and sensing tool

#1897
20110241897
2011-10-06

SYSTEM AND METHOD FOR REAL TIME DATA TRANSMISSION DURING WELL COMPLETIONS

#1898
20110240377
2011-10-06

Drill Bit Jack Element with a Plurality of Inserts

#1899
20110240369
2011-10-06

Downhole Steerable Hammer Element

#1900
20110240302
2011-10-06

Systems and methods for logging cased wellbores

#1901
20110235981
2011-09-29

CONNECTOR APPARATUS FOR DOWNHOLE TOOL

#1902
20110227577
2011-09-22

Single well reservoir imaging apparatus and methods

#1903
20110220350
2011-09-15

IDENTIFICATION OF LOST CIRCULATION ZONES

#1904
20110214853
2011-09-08

Tattle-tale apparatus

#1905
20110210609
2011-09-01

Sneak path eliminator for diode multiplexed control of downhole well tools

#1906
20110198076
2011-08-18

Adjustment of mud circulation when evaluating a formation

#1907
20110187556
2011-08-04

Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments

#1908
20110187555
2011-08-04

Method and apparatus for decoding a signal sent from a measurement-while-drilling tool

#1909
20110187554
2011-08-04

INTEGRATED PERMANENT MONITORING SYSTEM

#1910
20110172921
2011-07-14

Methods and apparatus to process measurements associated with drilling operations

#1911
20110170320
2011-07-14

Transmitting electric power into a bore hole

#1912
20110168446
2011-07-14

Method and apparatus for transmitting or receiving information between downhole equipment and surface

#1913
20110168445
2011-07-14

Downhole downlinking system employing a differential pressure transducer

#1914
20110168403
2011-07-14

WIRELESSLY ACTUATED HYDROSTATIC SET MODULE

#1915
20110163890
2011-07-07

Down-hole wireless communication system

#1916
20110163830
2011-07-07

FLOW LINE ELECTRIC IMPEDANCE GENERATION

#1917
20110162835
2011-07-07

Interface for deploying wireline tools with non-electric string

#1918
20110158050
2011-06-30

Wireless network discovery algorithm and system

#1919
20110155368
2011-06-30

RADIO FREQUENCY IDENTIFICATION WELL DELIVERY COMMUNICATION SYSTEM AND METHOD

#1920
20110139445
2011-06-16

System and method for downhole communication

#1921
20110132099
2011-06-09

Triaxial cell for the testing of geomaterials in compression and in shear

#1922
20110127044
2011-06-02

Remotely controlled apparatus for downhole applications and methods of operation

#1923
20110127035
2011-06-02

METHOD OF ABANDONING A PETROLEUM WELL

#1924
20110107844
2011-05-12

Triaxial cell for the testing of geomaterials in compression and in tension

#1925
20110107834
2011-05-12

Providing a sensor array

#1926
20110100620
2011-05-05

Active integrated well completion method and system

#1927
20110094752
2011-04-28

Control of sub surface safety valves

#1928
20110087434
2011-04-14

MONITORING SYSTEM

#1929
20110079386
2011-04-07

System and method for downhole communication

#1930
20110073303
2011-03-31

System and method for communicating between a drill string and a logging instrument

#1931
20110067928
2011-03-24

Bottom-hole assembly, and a method and system for transmitting data from a bottom-hole assembly

#1932
20110066378
2011-03-17

Apparatus and Methods for Controlling and Communicating with Downhole Devices

#1933
20110056681
2011-03-10

Method and apparatus for performing wireline logging operations in an under-balanced well

#1934
20110056288
2011-03-10

Position indicating multiplexed control system and method for downhole well tools

#1935
20110048122
2011-03-03

Downhole, single trip, multi-zone testing system and downhole testing method using such

#1936
20110042079
2011-02-24

Method and apparatus for pipe-conveyed well logging

#1937
20110042072
2011-02-24

Method and system for using wireline configurable wellbore instruments with a wired pipe string

#1938
20110031015
2011-02-10

System and method for managing and/or using data for tools in a wellbore

#1939
20110025525
2011-02-03

Apparatus and method for quality assessment of downhole data

#1940
20110022318
2011-01-27

High resolution sensor with scalable sample rate

#1941
20110001483
2011-01-06

Subsea electronic modules

#1942
20100328096
2010-12-30

Wellbore telemetry system and method

#1943
20100328095
2010-12-30

Apparatus, system, and method for communicating while logging with wired drill pipe

#1944
20100319931
2010-12-23

System and method for connecting communication lines in a well environment

#1945
20100286800
2010-11-11

Tractor communication/control and select fire perforating switch simulations

#1946
20100282511
2010-11-11

Wired Smart Reamer

#1947
20100271233
2010-10-28

Surface communication apparatus and method for use with drill string telemetry

#1948
20100268470
2010-10-21

System, method, and nanorobot to explore subterranean geophysical formations

#1949
20100256914
2010-10-07

Method and apparatus for off-rig processing rig sensor data

#1950
20100252269
2010-10-07

SYSTEM AND METHOD FOR MONITORING SUBSEA WELLS

#1951
20100252250
2010-10-07

Well screens constructed utilizing pre-formed annular elements

#1952
20100250139
2010-09-30

Mobile wellsite monitoring

#1953
20100243325
2010-09-30

System and method for communicating about a wellsite

#1954
20100243324
2010-09-30

SYSTEM AND METHOD FOR COMMUNICATING ABOUT A WELLSITE

#1955
20100243243
2010-09-30

Active In-Situ Controlled Permanent Downhole Device

#1956
20100242585
2010-09-30

NANO-ROBOTS SYSTEM AND METHODS FOR WELL LOGGING AND BOREHOLE MEASUREMENTS

#1957
20100237698
2010-09-23

Sneak path eliminator for diode multiplexed control of downhole well tools

#1958
20100236790
2010-09-23

Control of well tools utilizing downhole pumps

#1959
20100236774
2010-09-23

Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly

#1960
20100224409
2010-09-09

System and method of using a saver sub in a drilling system

#1961
20100223988
2010-09-09

Apparatus and method for a wireless sensor to monitor barrier system integrity

#1962
20100214121
2010-08-26

Synchronized telemetry from a rotating element

#1963
20100208552
2010-08-19

Acoustic telemetry stacked-ring wave delay isolator system and method

#1964
20100202463
2010-08-12

Communications system for an underwater fluid extraction facility

#1965
20100201540
2010-08-12

System and method for using dual telemetry

#1966
20100201366
2010-08-12

Multifrequency locating arrangement with frequency designation

#1967
20100200291
2010-08-12

COMPLETION SYSTEM HAVING A SAND CONTROL ASSEMBLY, AN INDUCTIVE COUPLER, AND A SENSOR PROXIMATE TO THE SAND CONTROL ASSEMBLY

#1968
20100200243
2010-08-12

METHOD AND DEVICE

#1969
20100194588
2010-08-05

Telemetry system for slickline enabling real time logging

#1970
20100181067
2010-07-22

Wireless power and telemetry transmission between connections of well completions

#1971
20100172210
2010-07-08

Wellbore telemetry and noise cancellation systems and methods for the same

#1972
20100171639
2010-07-08

WELLBORE TELEMETRY AND NOISE CANCELLATION SYSTEMS AND METHODS FOR THE SAME

#1973
20100171638
2010-07-08

Dual wellbore telemetry system and method

#1974
20100170671
2010-07-08

Systems and methods for providing electrical transmission in downhole tools

#1975
20100169052
2010-07-01

Apparatus and method for high resolution measurements for downhole tools

#1976
20100164748
2010-07-01

Method, system, and apparatus of downhole time interlaced communications

#1977
20100149919
2010-06-17

Downhole telemetry system

#1978
20100147510
2010-06-17

REMOTE LOGGING OPERATIONS ENVIRONMENT

#1979
20100139981
2010-06-10

Hole enlargement drilling device and methods for using same

#1980
20100133006
2010-06-03

Downhole communication devices and methods of use

#1981
20100116550
2010-05-13

Interface and method for wellbore telemetry system

#1982
20100111592
2010-05-06

Threaded retention device for downhole transmission lines

#1983
20100108384
2010-05-06

Adaptive drilling control system

#1984
20100097890
2010-04-22

Methods and apparatuses for data collection and communication in drill string components

#1985
20100089583
2010-04-15

Extendable cutting tools for use in a wellbore

#1986
20100085210
2010-04-08

Actuating downhole devices in a wellbore

#1987
20100084192
2010-04-08

Method of downlinking to a downhole tool

#1988
20100073190
2010-03-25

Telemetry method and system for subsurface well and reservoir and logging data

#1989
20100073189
2010-03-25

Monoconductor data-power transmission

#1990
20100065329
2010-03-18

Downhole telemetry apparatus and method

#1991
20100059233
2010-03-11

Remote actuation of downhole well tools

#1992
20100054273
2010-03-04

Physically Segmented Logical Token Network

#1993
20100052941
2010-03-04

Electrical transmission between rotating and non-rotating members

#1994
20100051269
2010-03-04

BYPASS OF DAMAGED LINES IN SUBTERRANEAN WELLS

#1995
20100051264
2010-03-04

METHOD AND SYSTEM FOR MONITORING DOWNHOLE COMPLETION OPERATIONS

#1996
20100050168
2010-02-25

SECURE FIRMWARE UPDATES IN EMBEDDED SYSTEMS

#1997
20100050017
2010-02-25

Intelligent field oil and gas field data acquisition, delivery, control, and retention based apparatus, program product and related methods

#1998
20100044036
2010-02-25

Tracer injector tool for well investigation

#1999
20100044034
2010-02-25

SUBSURFACE TAGGING SYSTEM WITH WIRED TUBULARS

#2000
20100040281
2010-02-18

Systems and methods employing cooperative optimization-based dimensionality reduction

#2001
20100018770
2010-01-28

System and Method for Drilling a Borehole

#2002
20100011853
2010-01-21

Contact-less sensor cartridge

#2003
20100008190
2010-01-14

Apparatus and method for data transmission from a rotating control device

#2004
20090316528
2009-12-24

Job monitoring methods and apparatus for logging-while-drilling equipment

#2005
20090301723
2009-12-10

Interface for deploying wireline tools with non-electric string

#2006
20090294174
2009-12-03

DOWNHOLE SENSOR SYSTEM

#2007
20090288820
2009-11-26

Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries

#2008
20090272544
2009-11-05

Tools and methods for hanging and/or expanding liner strings

#2009
20090266544
2009-10-29

Signal operated tools for milling, drilling, and/or fishing operations

#2010
20090260876
2009-10-22

Multiple distributed force measurements

#2011
20090257364
2009-10-15

Node Discovery in Physically Segmented Logical Token Network

#2012
20090255731
2009-10-15

Real time formation pressure test and pressure integrity test

#2013
20090250225
2009-10-08

CONTROL OF DOWNHOLE DEVICES IN A WELLBORE

#2014
20090236144
2009-09-24

Managed pressure and/or temperature drilling system and method

#2015
20090229834
2009-09-17

System and method for selectively communicatable hydraulic nipples

#2016
20090229820
2009-09-17

Downhole sensor interface

#2017
20090223663
2009-09-10

Systems, assemblies and processes for controlling tools in a wellbore

#2018
20090216455
2009-08-27

Distributed sensors for dynamics modeling

#2019
20090212777
2009-08-27

Multi-frequency in-ground locating signal frequency code identification and apparatus

#2020
20090201170
2009-08-13

High speed data transfer for measuring lithology and monitoring drilling operations

#2021
20090200747
2009-08-13

Breech lock stripper rubber pot mounting structure and well drilling equipment comprising same

#2022
20090194296
2009-08-06

Extended length cable assembly for a hydrocarbon well application

#2023
20090192711
2009-07-30

Data compression method for use in downhole applications

#2024
20090190484
2009-07-30

Directional topology discovery for downhole networks

#2025
20090189777
2009-07-30

Topology maintenance and discovery facility for downhole networks

#2026
20090182472
2009-07-16

Real-time, bi-directional data management

#2027
20090178804
2009-07-16

Downhole communication system and method

#2028
20090168606
2009-07-02

Interactive and/or secure activation of a tool

#2029
20090166088
2009-07-02

Subsurface formation core acquisition system using high speed data and control telemetry

#2030
20090166042
2009-07-02

Purging of fiber optic conduits in subterranean wells

#2031
20090166031
2009-07-02

Monitoring downhole conditions with drill string distributed measurement system

#2032
20090159297
2009-06-25

Ball dropping assembly and technique for use in a well

#2033
20090159283
2009-06-25

Signal conducting detonating cord

#2034
20090158837
2009-06-25

Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation

#2035
20090153354
2009-06-18

Oilfield area network communication system and method

#2036
20090151950
2009-06-18

Active integrated well completion method and system

#2037
20090151939
2009-06-18

SURFACE TAGGING SYSTEM WITH WIRED TUBULARS

#2038
20090146836
2009-06-11

METHODS AND APPARATUS TO CONFIGURE DRILL STRING COMMUNICATIONS

#2039
20090146835
2009-06-11

WIRELESS COMMUNICATION FOR DOWNHOLE TOOLS AND METHOD

#2040
20090145603
2009-06-11

REMOTE-CONTROLLED GRAVEL PACK CROSSOVER TOOL UTILIZING WIRED DRILLPIPE COMMUNICATION AND TELEMETRY

#2041
20090140879
2009-06-04

Methods and apparatus for telemetry and power delivery

#2042
20090120689
2009-05-14

APPARATUS AND METHOD FOR COMMUNICATING INFORMATION BETWEEN A WELLBORE AND SURFACE

#2043
20090101340
2009-04-23

Technique and apparatus to perform a leak off test in a well

#2044
20090095490
2009-04-16

Electrically activating a jarring tool

#2045
20090090501
2009-04-09

REMOTELY CONTROLLABLE WELLBORE VALVE SYSTEM

#2046
20090090499
2009-04-09

WELL SYSTEM AND METHOD FOR CONTROLLING THE PRODUCTION OF FLUIDS

#2047
20090070041
2009-03-12

Retractable sensor system and technique

#2048
20090055135
2009-02-26

Methods for designing secondary cutting structures for a bottom hole assembly

#2049
20090050322
2009-02-26

Wireless perforating gun initiation

#2050
20090045973
2009-02-19

COMMUNICATIONS OF DOWNHOLE TOOLS FROM DIFFERENT SERVICE PROVIDERS

#2051
20090033516
2009-02-05

INSTRUMENTED WELLBORE TOOLS AND METHODS

#2052
20090033332
2009-02-05

Telemetry subsystem to communicate with plural downhole modules

#2053
20090027227
2009-01-29

Remote area sensor system

#2054
20090008151
2009-01-08

Rotary steerable motor system for underground drilling

#2055
20080311776
2008-12-18

Well Completion Self Orienting Connector system

#2056
20080302524
2008-12-11

Apparatus for wellbore communication

#2057
20080272904
2008-11-06

Signalling Method

#2058
20080253228
2008-10-16

Drill string telemetry methods and apparatus

#2059
20080245536
2008-10-09

Apparatus and method for delivering a conductor downhole

#2060
20080236837
2008-10-02

Communicating measurement data from a well

#2061
20080236814
2008-10-02

Use of micro-electro-mechanical systems (MEMS) in well treatments

#2062
20080231467
2008-09-25

Compliance telemetry

#2063
20080218374
2008-09-11

Method and apparatus for communicating signals to an instrument in a wellbore

#2064
20080217022
2008-09-11

SUBSEA COMMUNICATIONS MULTIPLEXER

#2065
20080216568
2008-09-11

System and method for processing and transmitting information from measurements made while drilling

#2066
20080210422
2008-09-04

Method and apparatus of reservoir stimulation while running casing

#2067
20080202742
2008-08-28

Open Cavity in a Pocket of a Downhole Tool String Component

#2068
20080165026
2008-07-10

Hole depth sensing

#2069
20080137481
2008-06-12

Receiver for an acoustic telemetry system

#2070
20080136665
2008-06-12

Drilling system comprising a plurality of borehole telemetry systems

#2071
20080115575
2008-05-22

Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation

#2072
20080115574
2008-05-22

Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation

#2073
20080111552
2008-05-15

Skin depth compensation for an in-ground transmitter

#2074
20080110644
2008-05-15

Sealing and communicating in wells

#2075
20080106972
2008-05-08

Downhole sensor networks using wireless communication

#2076
20080099197
2008-05-01

Cable integrity monitor for electromagnetic telemetry systems

#2077
20080095165
2008-04-24

Net-Layer Parsing and Resynchronization

#2078
20080024318
2008-01-31

System and method for sharing information between downhole drill strings

#2079
20080003856
2008-01-03

Downhole data and/or power transmission system

#2080
20080000689
2008-01-03

System and method for hard line communication with MWD/LWD

#2081
20070289473
2007-12-20

Implosive actuation of downhole tools

#2082
20070289373
2007-12-20

Apparatus and method for downhole dynamics measurements

#2083
20070284098
2007-12-13

Sensor system and method of communicating data between a downhole device on a remote location

#2084
20070263488
2007-11-15

Wellbore telemetry and noise cancellation systems and method for the same

#2085
20070257812
2007-11-08

Inductive coupling system

#2086
20070256829
2007-11-08

Apparatus for wellbore communication

#2087
20070251729
2007-11-01

Downhole motor with a continuous conductive path

#2088
20070247329
2007-10-25

System and method for downhole telemetry

#2089
20070247328
2007-10-25

System and method for downhole telemetry

#2090
20070227727
2007-10-04

Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly

#2091
20070205022
2007-09-06

Automated steerable hole enlargement drilling device and methods

#2092
20070201362
2007-08-30

Increasing Bandwidth in a Downhole Network

#2093
20070198192
2007-08-23

System and methods for well data compression

#2094
20070192071
2007-08-16

Dynamic vibrational control

#2095
20070189166
2007-08-16

Node discovery in physically segmented logical token network

#2096
20070189165
2007-08-16

Physically segmented logical token network

#2097
20070188344
2007-08-16

Wellbore telemetry system and method

#2098
20070181341
2007-08-09

MWD formation tester

#2099
20070175663
2007-08-02

Measuring device and drilling device for deep drillings

#2100
20070169929
2007-07-26

Method for bonding a transmission line to a downhole tool