GB2428054A - A wellbore communication system - Google Patents
A wellbore communication system Download PDFInfo
- Publication number
- GB2428054A GB2428054A GB0611833A GB0611833A GB2428054A GB 2428054 A GB2428054 A GB 2428054A GB 0611833 A GB0611833 A GB 0611833A GB 0611833 A GB0611833 A GB 0611833A GB 2428054 A GB2428054 A GB 2428054A
- Authority
- GB
- United Kingdom
- Prior art keywords
- telemetry
- wellbore
- downhole
- downhole tool
- communication system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004891 communication Methods 0.000 title claims abstract description 68
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 42
- 238000011156 evaluation Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000005553 drilling Methods 0.000 claims description 33
- 238000005259 measurement Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 241000269400 Sirenidae Species 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 description 24
- 230000005540 biological transmission Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000965255 Pseudobranchus striatus Species 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—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
- E21B47/14—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 using acoustic waves
- E21B47/18—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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—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
- E21B47/13—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 by electromagnetic energy, e.g. radio frequency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Earth Drilling (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69707305P | 2005-07-05 | 2005-07-05 | |
US11/382,598 US20070017671A1 (en) | 2005-07-05 | 2006-05-10 | Wellbore telemetry system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0611833D0 GB0611833D0 (en) | 2006-07-26 |
GB2428054A true GB2428054A (en) | 2007-01-17 |
Family
ID=36775674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0611833A Withdrawn GB2428054A (en) | 2005-07-05 | 2006-06-15 | A wellbore communication system |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070017671A1 (fr) |
CA (1) | CA2551090A1 (fr) |
DE (1) | DE102006030883A1 (fr) |
FR (2) | FR2888283A1 (fr) |
GB (1) | GB2428054A (fr) |
MX (1) | MXPA06007407A (fr) |
NO (1) | NO20062913L (fr) |
RU (1) | RU2006124080A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2444584A (en) * | 2006-12-07 | 2008-06-11 | Precision Energy Services Inc | Drilling system including more than one borehole telemetry system |
GB2472686A (en) * | 2009-08-11 | 2011-02-16 | Schlumberger Holdings | Dual telemetry system |
US8004421B2 (en) | 2006-05-10 | 2011-08-23 | Schlumberger Technology Corporation | Wellbore telemetry and noise cancellation systems and method for the same |
US9945227B2 (en) | 2014-06-23 | 2018-04-17 | Evolution Engineering Inc. | Mixed-mode telemetry systems and methods |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8033328B2 (en) * | 2004-11-05 | 2011-10-11 | Schlumberger Technology Corporation | Downhole electric power generator |
US8344905B2 (en) | 2005-03-31 | 2013-01-01 | Intelliserv, Llc | Method and conduit for transmitting signals |
US8264369B2 (en) * | 2005-05-21 | 2012-09-11 | Schlumberger Technology Corporation | Intelligent electrical power distribution system |
US7535377B2 (en) | 2005-05-21 | 2009-05-19 | Hall David R | Wired tool string component |
US7382273B2 (en) * | 2005-05-21 | 2008-06-03 | Hall David R | Wired tool string component |
US7504963B2 (en) * | 2005-05-21 | 2009-03-17 | Hall David R | System and method for providing electrical power downhole |
US20080012569A1 (en) * | 2005-05-21 | 2008-01-17 | Hall David R | Downhole Coils |
US20090151926A1 (en) * | 2005-05-21 | 2009-06-18 | Hall David R | Inductive Power Coupler |
JP2009503306A (ja) * | 2005-08-04 | 2009-01-29 | シュルンベルジェ ホールディングス リミテッド | 坑井遠隔計測システム用インターフェイス及びインターフェイス方法 |
US20070063865A1 (en) * | 2005-09-16 | 2007-03-22 | Schlumberger Technology Corporation | Wellbore telemetry system and method |
US9109439B2 (en) * | 2005-09-16 | 2015-08-18 | Intelliserv, Llc | Wellbore telemetry system and method |
US8360174B2 (en) * | 2006-03-23 | 2013-01-29 | Schlumberger Technology Corporation | Lead the bit rotary steerable tool |
US8297375B2 (en) | 2005-11-21 | 2012-10-30 | Schlumberger Technology Corporation | Downhole turbine |
US8267196B2 (en) * | 2005-11-21 | 2012-09-18 | Schlumberger Technology Corporation | Flow guide actuation |
US7571780B2 (en) * | 2006-03-24 | 2009-08-11 | Hall David R | Jack element for a drill bit |
CA2544457C (fr) * | 2006-04-21 | 2009-07-07 | Mostar Directional Technologies Inc. | Systeme et methode de telemesure de fond de trou |
US20080001775A1 (en) * | 2006-06-30 | 2008-01-03 | Baker Hughes Incorporated | Apparatus and method for memory dump and/or communication for mwd/lwd tools |
US8811118B2 (en) * | 2006-09-22 | 2014-08-19 | Baker Hughes Incorporated | Downhole noise cancellation in mud-pulse telemetry |
US7721826B2 (en) * | 2007-09-06 | 2010-05-25 | Schlumberger Technology Corporation | Downhole jack assembly sensor |
US20090120689A1 (en) * | 2007-11-12 | 2009-05-14 | Baker Hughes Incorporated | Apparatus and method for communicating information between a wellbore and surface |
RU2613374C2 (ru) * | 2008-03-03 | 2017-03-16 | Интеллизерв Интернэшнл Холдинг, Лтд | Мониторинг скважинных показателей при помощи измерительной системы, распределенной по бурильной колонне |
US20090250225A1 (en) * | 2008-04-02 | 2009-10-08 | Baker Hughes Incorporated | Control of downhole devices in a wellbore |
WO2011090698A1 (fr) * | 2009-12-28 | 2011-07-28 | Services Petroliers Schlumberger | Système de communication de fond de trou |
US9243489B2 (en) | 2011-11-11 | 2016-01-26 | Intelliserv, Llc | System and method for steering a relief well |
US9157313B2 (en) | 2012-06-01 | 2015-10-13 | Intelliserv, Llc | Systems and methods for detecting drillstring loads |
US9494033B2 (en) | 2012-06-22 | 2016-11-15 | Intelliserv, Llc | Apparatus and method for kick detection using acoustic sensors |
CA2893009C (fr) * | 2012-12-07 | 2016-06-14 | Evolution Engineering Inc. | Capteurs auxiliaires de direction et d'inclinaison et leur procede de fonctionnement |
US9605535B2 (en) * | 2013-02-25 | 2017-03-28 | Evolution Engineering Inc. | Integrated downhole system with plural telemetry subsystems |
AU2013398367B2 (en) * | 2013-08-19 | 2016-07-28 | Halliburton Energy Services, Inc. | Evaluating wellbore telemetry systems |
US10167671B2 (en) | 2016-01-22 | 2019-01-01 | Weatherford Technology Holdings, Llc | Power supply for a top drive |
US9702245B1 (en) * | 2016-02-12 | 2017-07-11 | Baker Hughes Incorporated | Flow off downhole communication method and related systems |
US10954753B2 (en) | 2017-02-28 | 2021-03-23 | Weatherford Technology Holdings, Llc | Tool coupler with rotating coupling method for top drive |
US11131151B2 (en) | 2017-03-02 | 2021-09-28 | Weatherford Technology Holdings, Llc | Tool coupler with sliding coupling members for top drive |
US10711574B2 (en) | 2017-05-26 | 2020-07-14 | Weatherford Technology Holdings, Llc | Interchangeable swivel combined multicoupler |
US10544631B2 (en) | 2017-06-19 | 2020-01-28 | Weatherford Technology Holdings, Llc | Combined multi-coupler for top drive |
US10355403B2 (en) | 2017-07-21 | 2019-07-16 | Weatherford Technology Holdings, Llc | Tool coupler for use with a top drive |
US11441412B2 (en) * | 2017-10-11 | 2022-09-13 | Weatherford Technology Holdings, Llc | Tool coupler with data and signal transfer methods for top drive |
WO2019113694A1 (fr) | 2017-12-13 | 2019-06-20 | Mwdplanet And Lumen Corporation | Appareil émetteur de télémesure électromagnétique et ensemble télémesure électromagnétique par impulsions dans la boue |
CN112379450B (zh) * | 2020-10-30 | 2024-07-26 | 中国石油天然气集团有限公司 | 时频电磁方波信号的信噪比获取方法及装置 |
RU2760109C1 (ru) * | 2020-12-30 | 2021-11-22 | Общество С Ограниченной Ответственностью "Русские Универсальные Системы" | Устройство скважинной телеметрии бурового комплекса |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4057781A (en) * | 1976-03-19 | 1977-11-08 | Scherbatskoy Serge Alexander | Well bore communication method |
US4945761A (en) * | 1988-02-22 | 1990-08-07 | Institut Francais Du Petrole | Method and device for transmitting data by cable and mud waves |
WO1992018882A1 (fr) * | 1991-04-17 | 1992-10-29 | Smith International, Inc. | Liaison de communication par bonds courts pour systeme de mesure en cours de forage situe au fond du trou de forage |
EP0553908A2 (fr) * | 1992-01-21 | 1993-08-04 | Anadrill International SA | Méthode et dispositif pour la mesure pendant le forage près du trépan |
US20030151977A1 (en) * | 2002-02-13 | 2003-08-14 | Shah Vimal V. | Dual channel downhole telemetry |
US20050024231A1 (en) * | 2003-06-13 | 2005-02-03 | Baker Hughes Incorporated | Apparatus and methods for self-powered communication and sensor network |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352833A (en) * | 1942-04-24 | 1944-07-04 | Shell Dev | Choke valve borehole indicating system |
US2700131A (en) * | 1951-07-20 | 1955-01-18 | Lane Wells Co | Measurement system |
US3065416A (en) * | 1960-03-21 | 1962-11-20 | Dresser Ind | Well apparatus |
US3309656A (en) * | 1964-06-10 | 1967-03-14 | Mobil Oil Corp | Logging-while-drilling system |
US3713089A (en) * | 1970-07-30 | 1973-01-23 | Schlumberger Technology Corp | Data-signaling apparatus ford well drilling tools |
US3764970A (en) * | 1972-06-15 | 1973-10-09 | Schlumberger Technology Corp | Well bore data-transmission apparatus with debris clearing apparatus |
US5182730A (en) * | 1977-12-05 | 1993-01-26 | Scherbatskoy Serge Alexander | Method and apparatus for transmitting information in a borehole employing signal discrimination |
US4725837A (en) * | 1981-01-30 | 1988-02-16 | Tele-Drill, Inc. | Toroidal coupled telemetry apparatus |
NL8302429A (nl) * | 1982-07-10 | 1984-02-01 | Sperry Sun Inc | Inrichting voor het verwerken van signalen in een boorgat tijdens het boren. |
US4771408A (en) * | 1986-03-31 | 1988-09-13 | Eastman Christensen | Universal mud pulse telemetry system |
US4847815A (en) * | 1987-09-22 | 1989-07-11 | Anadrill, Inc. | Sinusoidal pressure pulse generator for measurement while drilling tool |
US5215152A (en) * | 1992-03-04 | 1993-06-01 | Teleco Oilfield Services Inc. | Rotating pulse valve for downhole fluid telemetry systems |
US5375098A (en) * | 1992-08-21 | 1994-12-20 | Schlumberger Technology Corporation | Logging while drilling tools, systems, and methods capable of transmitting data at a plurality of different frequencies |
US5237540A (en) * | 1992-08-21 | 1993-08-17 | Schlumberger Technology Corporation | Logging while drilling tools utilizing magnetic positioner assisted phase shifts |
US5249161A (en) * | 1992-08-21 | 1993-09-28 | Schlumberger Technology Corporation | Methods and apparatus for preventing jamming of encoder of logging while drilling tool |
FR2697119B1 (fr) * | 1992-10-16 | 1995-01-20 | Schlumberger Services Petrol | Dispositif émetteur à double raccord isolant, destiné à l'emploi dans un forage. |
US5583827A (en) * | 1993-07-23 | 1996-12-10 | Halliburton Company | Measurement-while-drilling system and method |
US5517464A (en) * | 1994-05-04 | 1996-05-14 | Schlumberger Technology Corporation | Integrated modulator and turbine-generator for a measurement while drilling tool |
US5586084A (en) * | 1994-12-20 | 1996-12-17 | Halliburton Company | Mud operated pulser |
US5774420A (en) * | 1995-08-16 | 1998-06-30 | Halliburton Energy Services, Inc. | Method and apparatus for retrieving logging data from a downhole logging tool |
US6396276B1 (en) * | 1996-07-31 | 2002-05-28 | Scientific Drilling International | Apparatus and method for electric field telemetry employing component upper and lower housings in a well pipestring |
US6219301B1 (en) * | 1997-11-18 | 2001-04-17 | Schlumberger Technology Corporation | Pressure pulse generator for measurement-while-drilling systems which produces high signal strength and exhibits high resistance to jamming |
US6421298B1 (en) * | 1999-10-08 | 2002-07-16 | Halliburton Energy Services | Mud pulse telemetry |
GB2371582B (en) * | 2000-03-10 | 2003-06-11 | Schlumberger Holdings | Method and apparatus enhanced acoustic mud impulse telemetry during underbalanced drilling |
US6626253B2 (en) * | 2001-02-27 | 2003-09-30 | Baker Hughes Incorporated | Oscillating shear valve for mud pulse telemetry |
US7417920B2 (en) * | 2001-03-13 | 2008-08-26 | Baker Hughes Incorporated | Reciprocating pulser for mud pulse telemetry |
US6898150B2 (en) * | 2001-03-13 | 2005-05-24 | Baker Hughes Incorporated | Hydraulically balanced reciprocating pulser valve for mud pulse telemetry |
US6641434B2 (en) * | 2001-06-14 | 2003-11-04 | Schlumberger Technology Corporation | Wired pipe joint with current-loop inductive couplers |
US6788219B2 (en) * | 2002-11-27 | 2004-09-07 | Halliburton Energy Services, Inc. | Structure and method for pulse telemetry |
US7163065B2 (en) * | 2002-12-06 | 2007-01-16 | Shell Oil Company | Combined telemetry system and method |
ATE429566T1 (de) * | 2003-04-25 | 2009-05-15 | Intersyn Technologies | Ein stufenloses getriebe verwendendes system und verfahren zur steuerung einer oder mehrerer systemkomponenten |
US7068182B2 (en) * | 2003-07-14 | 2006-06-27 | Halliburton Energy Services, Inc. | Method and apparatus for mud pulse telemetry |
US7040415B2 (en) * | 2003-10-22 | 2006-05-09 | Schlumberger Technology Corporation | Downhole telemetry system and method |
US7080699B2 (en) * | 2004-01-29 | 2006-07-25 | Schlumberger Technology Corporation | Wellbore communication system |
US20050284659A1 (en) * | 2004-06-28 | 2005-12-29 | Hall David R | Closed-loop drilling system using a high-speed communications network |
US20060214814A1 (en) * | 2005-03-24 | 2006-09-28 | Schlumberger Technology Corporation | Wellbore communication system |
-
2006
- 2006-05-10 US US11/382,598 patent/US20070017671A1/en not_active Abandoned
- 2006-06-15 GB GB0611833A patent/GB2428054A/en not_active Withdrawn
- 2006-06-21 NO NO20062913A patent/NO20062913L/no not_active Application Discontinuation
- 2006-06-27 FR FR0605975A patent/FR2888283A1/fr not_active Withdrawn
- 2006-06-27 MX MXPA06007407A patent/MXPA06007407A/es not_active Application Discontinuation
- 2006-06-27 CA CA002551090A patent/CA2551090A1/fr not_active Abandoned
- 2006-07-04 RU RU2006124080/03A patent/RU2006124080A/ru not_active Application Discontinuation
- 2006-07-04 DE DE102006030883A patent/DE102006030883A1/de not_active Withdrawn
-
2007
- 2007-06-04 FR FR0703965A patent/FR2899931A1/fr active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4057781A (en) * | 1976-03-19 | 1977-11-08 | Scherbatskoy Serge Alexander | Well bore communication method |
US4945761A (en) * | 1988-02-22 | 1990-08-07 | Institut Francais Du Petrole | Method and device for transmitting data by cable and mud waves |
WO1992018882A1 (fr) * | 1991-04-17 | 1992-10-29 | Smith International, Inc. | Liaison de communication par bonds courts pour systeme de mesure en cours de forage situe au fond du trou de forage |
EP0553908A2 (fr) * | 1992-01-21 | 1993-08-04 | Anadrill International SA | Méthode et dispositif pour la mesure pendant le forage près du trépan |
US20030151977A1 (en) * | 2002-02-13 | 2003-08-14 | Shah Vimal V. | Dual channel downhole telemetry |
US20050024231A1 (en) * | 2003-06-13 | 2005-02-03 | Baker Hughes Incorporated | Apparatus and methods for self-powered communication and sensor network |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9766362B2 (en) | 2005-07-05 | 2017-09-19 | Schlumberger Technology Corporation | System and method for using dual telemetry |
US8502696B2 (en) | 2006-05-10 | 2013-08-06 | Schlumberger Technology Corporation | Dual wellbore telemetry system and method |
US8860582B2 (en) | 2006-05-10 | 2014-10-14 | Schlumberger Technology Corporation | Wellbore telemetry and noise cancellation systems and methods for the same |
US8629782B2 (en) | 2006-05-10 | 2014-01-14 | Schlumberger Technology Corporation | System and method for using dual telemetry |
US8004421B2 (en) | 2006-05-10 | 2011-08-23 | Schlumberger Technology Corporation | Wellbore telemetry and noise cancellation systems and method for the same |
US8111171B2 (en) | 2006-05-10 | 2012-02-07 | Schlumberger Technology Corporation | Wellbore telemetry and noise cancellation systems and methods for the same |
US7894302B2 (en) | 2006-12-07 | 2011-02-22 | Precision Energy Services, Inc. | Drilling system comprising a plurality of borehole telemetry systems |
GB2444584A (en) * | 2006-12-07 | 2008-06-11 | Precision Energy Services Inc | Drilling system including more than one borehole telemetry system |
GB2444584B (en) * | 2006-12-07 | 2009-03-18 | Precision Energy Services Inc | Drilling system comprising a plurality of borehole telemetry systems |
GB2483384A (en) * | 2009-08-11 | 2012-03-07 | Schlumberger Holdings | Dual telemetry system |
GB2483384B (en) * | 2009-08-11 | 2012-08-22 | Schlumberger Holdings | System and method for using dual telemetry |
GB2472686B (en) * | 2009-08-11 | 2012-02-15 | Schlumberger Holdings | System and method for using dual telemetry |
GB2472686A (en) * | 2009-08-11 | 2011-02-16 | Schlumberger Holdings | Dual telemetry system |
NO342545B1 (no) * | 2009-08-11 | 2018-06-11 | Schlumberger Technology Bv | System og metode for å bruke dobbel telemetri |
US9945227B2 (en) | 2014-06-23 | 2018-04-17 | Evolution Engineering Inc. | Mixed-mode telemetry systems and methods |
Also Published As
Publication number | Publication date |
---|---|
CA2551090A1 (fr) | 2007-01-05 |
US20070017671A1 (en) | 2007-01-25 |
FR2888283A1 (fr) | 2007-01-12 |
FR2899931A1 (fr) | 2007-10-19 |
RU2006124080A (ru) | 2008-01-10 |
DE102006030883A1 (de) | 2007-01-11 |
MXPA06007407A (es) | 2007-01-26 |
GB0611833D0 (en) | 2006-07-26 |
NO20062913L (no) | 2007-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |