ATE526484T1 - Traktorkommunikation/-steuerung und auswahlschalter für die abfeuerungsperforierung - Google Patents

Traktorkommunikation/-steuerung und auswahlschalter für die abfeuerungsperforierung

Info

Publication number
ATE526484T1
ATE526484T1 AT08754055T AT08754055T ATE526484T1 AT E526484 T1 ATE526484 T1 AT E526484T1 AT 08754055 T AT08754055 T AT 08754055T AT 08754055 T AT08754055 T AT 08754055T AT E526484 T1 ATE526484 T1 AT E526484T1
Authority
AT
Austria
Prior art keywords
controls
select switch
fire perforating
tractor communications
tractor
Prior art date
Application number
AT08754055T
Other languages
English (en)
Inventor
James E Brooks
Nolan C Lerche
Jesper Oluf Larsen
Brian Thomsen
Kasper Juul Larsen
Original Assignee
Titan Specialities Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Titan Specialities Ltd filed Critical Titan Specialities Ltd
Application granted granted Critical
Publication of ATE526484T1 publication Critical patent/ATE526484T1/de

Links

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
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/116—Gun or shaped-charge perforators
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/116—Gun or shaped-charge perforators
    • E21B43/1185—Ignition systems
    • E21B43/11857—Ignition systems firing indication systems
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • 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
    • E21B47/02—Determining slope or direction
    • E21B47/024—Determining slope or direction of devices in the borehole
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Selective Calling Equipment (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Agricultural Machines (AREA)
  • Operation Control Of Excavators (AREA)
AT08754055T 2007-01-06 2008-01-07 Traktorkommunikation/-steuerung und auswahlschalter für die abfeuerungsperforierung ATE526484T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87916907P 2007-01-06 2007-01-06
PCT/US2008/000200 WO2008100362A2 (en) 2007-01-06 2008-01-07 Tractor communication/control and select fire perforating switch

Publications (1)

Publication Number Publication Date
ATE526484T1 true ATE526484T1 (de) 2011-10-15

Family

ID=39690662

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08754055T ATE526484T1 (de) 2007-01-06 2008-01-07 Traktorkommunikation/-steuerung und auswahlschalter für die abfeuerungsperforierung

Country Status (9)

Country Link
US (3) US8689868B2 (de)
EP (4) EP2106494B1 (de)
AR (1) AR064757A1 (de)
AT (1) ATE526484T1 (de)
AU (1) AU2008216874A1 (de)
CA (1) CA2708007C (de)
PL (4) PL2402556T3 (de)
RU (1) RU2009130046A (de)
WO (1) WO2008100362A2 (de)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR064757A1 (es) * 2007-01-06 2009-04-22 Welltec As Comunicacion/control de tractor y conmutador de seleccion de disparo perforador
US8576090B2 (en) * 2008-01-07 2013-11-05 Hunting Titan, Ltd. Apparatus and methods for controlling and communicating with downwhole devices
US7980309B2 (en) 2008-04-30 2011-07-19 Halliburton Energy Services, Inc. Method for selective activation of downhole devices in a tool string
GB2462629A (en) * 2008-08-13 2010-02-17 Pilot Drilling Control Ltd A Controller for a Downhole Tool
FR2955354B1 (fr) 2010-01-19 2014-01-03 Geoservices Equipements Dispositif d'intervention dans un puits comprenant un systeme pyrotechnique, installation et procede associes.
CN102383752B (zh) * 2010-09-01 2013-12-04 中国石油天然气股份有限公司 一种大位移井、水平井解卡爆炸松扣新方法及设备
US9411913B2 (en) * 2010-10-05 2016-08-09 Baker Hughes Incorporated Wear-out detection methods for printed circuit board assembly components used in downhole oilfield environments
US9217326B2 (en) * 2011-08-04 2015-12-22 Baker Hughes Incorporated Systems and methods for implementing different modes of communication on a communication line between surface and downhole equipment
US8931389B2 (en) 2011-08-20 2015-01-13 James E. Brooks High voltage explosive assembly for downhole detonations
WO2013187898A1 (en) 2012-06-14 2013-12-19 Halliburton Energy Services, Inc. Well tractor
WO2014055061A1 (en) * 2012-10-01 2014-04-10 Halliburton Energy Services, Inc. Releasing a downhole tool
WO2014100274A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Apparatus and method for detecting fracture geometry using acoustic telemetry
WO2014100262A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Telemetry for wireless electro-acoustical transmission of data along a wellbore
WO2014100275A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Wired and wireless downhole telemetry using a logging tool
US10480308B2 (en) 2012-12-19 2019-11-19 Exxonmobil Upstream Research Company Apparatus and method for monitoring fluid flow in a wellbore using acoustic signals
WO2014100276A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Electro-acoustic transmission of data along a wellbore
US20150300159A1 (en) 2012-12-19 2015-10-22 David A. Stiles Apparatus and Method for Evaluating Cement Integrity in a Wellbore Using Acoustic Telemetry
US20140192621A1 (en) * 2013-01-07 2014-07-10 Baker Hughes Incorporated Apparatus and method for communication between downhole components
US20220258103A1 (en) 2013-07-18 2022-08-18 DynaEnergetics Europe GmbH Detonator positioning device
US9702680B2 (en) 2013-07-18 2017-07-11 Dynaenergetics Gmbh & Co. Kg Perforation gun components and system
US9611726B2 (en) * 2013-09-27 2017-04-04 Schlumberger Technology Corporation Shock mitigator
WO2015080754A1 (en) 2013-11-26 2015-06-04 Exxonmobil Upstream Research Company Remotely actuated screenout relief valves and systems and methods including the same
EP3367051B1 (de) 2013-12-02 2020-07-22 Austin Star Detonator Company Verfahren zum drahtlosen sprengen
US10087748B2 (en) * 2013-12-17 2018-10-02 Schlumberger Technology Corporation Method, apparatus and system for safe mode telemetry system
EP3099889B1 (de) 2014-01-28 2020-07-01 C6 Technologies AS Bohrlochzugmaschine mit redundanten motorantrieben mit unabhängigen schutzschaltern
CA2941648C (en) 2014-03-07 2022-08-16 Dynaenergetics Gmbh & Co. Kg Device and method for positioning a detonator within a perforating gun assembly
WO2015149347A1 (en) 2014-04-04 2015-10-08 Microsoft Technology Licensing, Llc Expandable application representation
KR20160143784A (ko) 2014-04-10 2016-12-14 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 컴퓨팅 디바이스용 슬라이더 커버
WO2015169667A2 (en) 2014-05-05 2015-11-12 Dynaenergetics Gmbh & Co. Kg Initiator head assembly
US20170211353A1 (en) * 2014-05-15 2017-07-27 Halliburton Energy Services, Inc. Activation mode control of oilfield tools
US10273788B2 (en) 2014-05-23 2019-04-30 Hunting Titan, Inc. Box by pin perforating gun system and methods
CA2933756C (en) 2014-05-23 2020-09-01 Hunting Titan, Inc. Box by pin perforating gun system and methods
CA2955262C (en) 2014-08-29 2018-10-16 Hunting Titan, Inc. High voltage explosive assembly for downhole detonations
CA2955381C (en) 2014-09-12 2022-03-22 Exxonmobil Upstream Research Company Discrete wellbore devices, hydrocarbon wells including a downhole communication network and the discrete wellbore devices and systems and methods including the same
US10465462B2 (en) 2014-10-24 2019-11-05 Magnum Oil Tools International, Ltd. Electrically powered setting tool and perforating gun
US9674335B2 (en) 2014-10-30 2017-06-06 Microsoft Technology Licensing, Llc Multi-configuration input device
US9540923B2 (en) * 2014-12-05 2017-01-10 Chevron U.S.A. Inc. Stripline energy transmission in a wellbore
US9874091B2 (en) 2014-12-05 2018-01-23 Chevron U.S.A. Inc. Stripline energy transmission in a wellbore
US9863222B2 (en) 2015-01-19 2018-01-09 Exxonmobil Upstream Research Company System and method for monitoring fluid flow in a wellbore using acoustic telemetry
US10408047B2 (en) 2015-01-26 2019-09-10 Exxonmobil Upstream Research Company Real-time well surveillance using a wireless network and an in-wellbore tool
US9291040B1 (en) 2015-02-20 2016-03-22 Geodynamics, Inc. Select fire switch form factor system and method
WO2017083720A1 (en) 2015-11-12 2017-05-18 Hunting Titan, Inc. Contact plunger cartridge assembly
US10187113B2 (en) 2015-11-19 2019-01-22 Halliburton Energy Services, Inc. Downhole telemetry using motor current spikes
US11215017B2 (en) 2015-12-28 2022-01-04 Schlumberger Technology Corporation Perforating shock protection for sensors
EP3469305A4 (de) 2016-06-14 2020-03-11 Vermeer Manufacturing Company Systeme und verfahren zur bestimmung des bedienerstandortes zur sicherstellung der zugelassenen bedienung von arbeitsmaschinen
MX370248B (es) * 2016-07-27 2019-12-05 Geodynamics Inc Sistema y metodo de control de interruptor de disparo selectivo.
US10465505B2 (en) 2016-08-30 2019-11-05 Exxonmobil Upstream Research Company Reservoir formation characterization using a downhole wireless network
US10590759B2 (en) 2016-08-30 2020-03-17 Exxonmobil Upstream Research Company Zonal isolation devices including sensing and wireless telemetry and methods of utilizing the same
US10344583B2 (en) 2016-08-30 2019-07-09 Exxonmobil Upstream Research Company Acoustic housing for tubulars
US10526888B2 (en) 2016-08-30 2020-01-07 Exxonmobil Upstream Research Company Downhole multiphase flow sensing methods
US10415376B2 (en) 2016-08-30 2019-09-17 Exxonmobil Upstream Research Company Dual transducer communications node for downhole acoustic wireless networks and method employing same
US10364669B2 (en) 2016-08-30 2019-07-30 Exxonmobil Upstream Research Company Methods of acoustically communicating and wells that utilize the methods
US11828172B2 (en) 2016-08-30 2023-11-28 ExxonMobil Technology and Engineering Company Communication networks, relay nodes for communication networks, and methods of transmitting data among a plurality of relay nodes
US10697287B2 (en) 2016-08-30 2020-06-30 Exxonmobil Upstream Research Company Plunger lift monitoring via a downhole wireless network field
GB2570419B (en) 2016-09-26 2020-03-04 Guardian Global Tech Limited Downhole firing tool
CN108252668B (zh) * 2016-12-27 2020-09-04 中国石油天然气股份有限公司 水平井井下布线装置及水平井井下布线方法
US9915513B1 (en) 2017-02-05 2018-03-13 Dynaenergetics Gmbh & Co. Kg Electronic ignition circuit and method for use
US11307011B2 (en) 2017-02-05 2022-04-19 DynaEnergetics Europe GmbH Electronic initiation simulator
US10161733B2 (en) 2017-04-18 2018-12-25 Dynaenergetics Gmbh & Co. Kg Pressure bulkhead structure with integrated selective electronic switch circuitry, pressure-isolating enclosure containing such selective electronic switch circuitry, and methods of making such
CN107130932B (zh) * 2017-05-17 2023-01-24 中石化石油工程技术服务有限公司 井下电缆牵引器输送射孔用安全供电转换单元
US10837276B2 (en) 2017-10-13 2020-11-17 Exxonmobil Upstream Research Company Method and system for performing wireless ultrasonic communications along a drilling string
CN111201454B (zh) 2017-10-13 2022-09-09 埃克森美孚上游研究公司 用于利用通信执行操作的方法和系统
CA3079020C (en) 2017-10-13 2022-10-25 Exxonmobil Upstream Research Company Method and system for performing communications using aliasing
US10697288B2 (en) 2017-10-13 2020-06-30 Exxonmobil Upstream Research Company Dual transducer communications node including piezo pre-tensioning for acoustic wireless networks and method employing same
WO2019074657A1 (en) 2017-10-13 2019-04-18 Exxonmobil Upstream Research Company METHOD AND SYSTEM FOR REALIZING OPERATIONS USING COMMUNICATIONS
AU2018347876B2 (en) 2017-10-13 2021-10-07 Exxonmobil Upstream Research Company Method and system for performing hydrocarbon operations with mixed communication networks
US20190120004A1 (en) * 2017-10-24 2019-04-25 Baker Hughes, A Ge Company, Llc Borehole Alteration of Tubular String to Create and Close Off Openings
US10690794B2 (en) 2017-11-17 2020-06-23 Exxonmobil Upstream Research Company Method and system for performing operations using communications for a hydrocarbon system
WO2019099188A1 (en) 2017-11-17 2019-05-23 Exxonmobil Upstream Research Company Method and system for performing wireless ultrasonic communications along tubular members
US12000273B2 (en) 2017-11-17 2024-06-04 ExxonMobil Technology and Engineering Company Method and system for performing hydrocarbon operations using communications associated with completions
US10844708B2 (en) 2017-12-20 2020-11-24 Exxonmobil Upstream Research Company Energy efficient method of retrieving wireless networked sensor data
AU2018397574A1 (en) 2017-12-29 2020-06-11 Exxonmobil Upstream Research Company (Emhc-N1-4A-607) Methods and systems for monitoring and optimizing reservoir stimulation operations
US11156081B2 (en) 2017-12-29 2021-10-26 Exxonmobil Upstream Research Company Methods and systems for operating and maintaining a downhole wireless network
EP3743591A4 (de) 2018-01-23 2022-03-23 GeoDynamics, Inc. Adressierbare schalteranordnung für bohrlochsysteme und verfahren
WO2019156966A1 (en) 2018-02-08 2019-08-15 Exxonmobil Upstream Research Company Methods of network peer identification and self-organization using unique tonal signatures and wells that use the methods
US11268378B2 (en) 2018-02-09 2022-03-08 Exxonmobil Upstream Research Company Downhole wireless communication node and sensor/tools interface
US11021923B2 (en) 2018-04-27 2021-06-01 DynaEnergetics Europe GmbH Detonation activated wireline release tool
US10458213B1 (en) 2018-07-17 2019-10-29 Dynaenergetics Gmbh & Co. Kg Positioning device for shaped charges in a perforating gun module
US10386168B1 (en) 2018-06-11 2019-08-20 Dynaenergetics Gmbh & Co. Kg Conductive detonating cord for perforating gun
US10914146B2 (en) * 2018-06-21 2021-02-09 Geodynamics, Inc. Micro-controller-based switch assembly for wellbore systems and method
USD903064S1 (en) 2020-03-31 2020-11-24 DynaEnergetics Europe GmbH Alignment sub
US11808093B2 (en) 2018-07-17 2023-11-07 DynaEnergetics Europe GmbH Oriented perforating system
US11339614B2 (en) 2020-03-31 2022-05-24 DynaEnergetics Europe GmbH Alignment sub and orienting sub adapter
US11994008B2 (en) 2018-08-10 2024-05-28 Gr Energy Services Management, Lp Loaded perforating gun with plunging charge assembly and method of using same
US11078763B2 (en) 2018-08-10 2021-08-03 Gr Energy Services Management, Lp Downhole perforating tool with integrated detonation assembly and method of using same
US10858919B2 (en) 2018-08-10 2020-12-08 Gr Energy Services Management, Lp Quick-locking detonation assembly of a downhole perforating tool and method of using same
CN109113685B (zh) * 2018-10-19 2024-04-05 中石化石油工程技术服务有限公司 水平井输送牵引器射孔工具
US11725486B2 (en) 2018-11-14 2023-08-15 Schlumberger Technology Corporation Systems and methods for downhole deployment of containers
US10475038B1 (en) 2018-11-26 2019-11-12 Capital One Services, Llc Systems and methods for visual verification
US11952886B2 (en) 2018-12-19 2024-04-09 ExxonMobil Technology and Engineering Company Method and system for monitoring sand production through acoustic wireless sensor network
US11293280B2 (en) 2018-12-19 2022-04-05 Exxonmobil Upstream Research Company Method and system for monitoring post-stimulation operations through acoustic wireless sensor network
USD1010758S1 (en) 2019-02-11 2024-01-09 DynaEnergetics Europe GmbH Gun body
USD1034879S1 (en) 2019-02-11 2024-07-09 DynaEnergetics Europe GmbH Gun body
US10689955B1 (en) 2019-03-05 2020-06-23 SWM International Inc. Intelligent downhole perforating gun tube and components
US11078762B2 (en) 2019-03-05 2021-08-03 Swm International, Llc Downhole perforating gun tube and components
US11268376B1 (en) 2019-03-27 2022-03-08 Acuity Technical Designs, LLC Downhole safety switch and communication protocol
CN113631795B (zh) * 2019-03-27 2024-02-20 狩猎巨人公司 固态双触发电路
CN114026906A (zh) * 2019-07-01 2022-02-08 昕诺飞控股有限公司 无线网络设备的自动通电重启系统
CA3154825A1 (en) * 2019-10-18 2021-04-22 Roger Archibald Convertible and addressable switch_assembly for wellbore operations
WO2021116336A1 (en) 2019-12-10 2021-06-17 DynaEnergetics Europe GmbH Initiator head with circuit board
WO2021122797A1 (en) 2019-12-17 2021-06-24 DynaEnergetics Europe GmbH Modular perforating gun system
RU197735U1 (ru) * 2020-03-04 2020-05-25 Акционерное общество "БашВзрывТехнологии" Устройство адресного инициирования для скважинного инструмента
US12060757B2 (en) 2020-03-18 2024-08-13 DynaEnergetics Europe GmbH Self-erecting launcher assembly
US11988049B2 (en) 2020-03-31 2024-05-21 DynaEnergetics Europe GmbH Alignment sub and perforating gun assembly with alignment sub
US11619119B1 (en) 2020-04-10 2023-04-04 Integrated Solutions, Inc. Downhole gun tube extension
US20230349248A1 (en) * 2020-06-17 2023-11-02 DynaEnergetics Europe GmbH Control module for use with a wellbore tool and wellbore toolstring with control module
US11891891B2 (en) * 2020-07-28 2024-02-06 Geodynamics, Inc. Switch device with non-addressable scheme for wellbore operations
CA3196854A1 (en) * 2020-10-28 2022-05-05 Faraidoon Pundole Singular/wired fuzing device
NO347557B1 (en) * 2021-03-16 2024-01-15 Altus Intervention Tech As Tool string arrangement comprising a perforation arrangement and a method for use thereof
CN113359408B (zh) * 2021-04-13 2022-07-05 中国石油大学(华东) 全电控井下安全阀智能化冗余控制系统
US11753889B1 (en) 2022-07-13 2023-09-12 DynaEnergetics Europe GmbH Gas driven wireline release tool

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208966A (en) 1978-02-21 1980-06-24 Schlumberger Technology Corporation Methods and apparatus for selectively operating multi-charge well bore guns
US4986183A (en) 1989-10-24 1991-01-22 Atlas Powder Company Method and apparatus for calibration of electronic delay detonation circuits
CA2029291A1 (en) * 1990-11-05 1992-05-06 Wilfred Frey Communication line filter
US6766854B2 (en) * 1997-06-02 2004-07-27 Schlumberger Technology Corporation Well-bore sensor apparatus and method
US6179064B1 (en) * 1998-07-22 2001-01-30 Schlumberger Technology Corporation System for indicating the firing of a perforating gun
US6283227B1 (en) 1998-10-27 2001-09-04 Schlumberger Technology Corporation Downhole activation system that assigns and retrieves identifiers
US7347278B2 (en) * 1998-10-27 2008-03-25 Schlumberger Technology Corporation Secure activation of a downhole device
US6938689B2 (en) * 1998-10-27 2005-09-06 Schumberger Technology Corp. Communicating with a tool
US20030047312A1 (en) 2001-09-10 2003-03-13 Bell William T. Drill pipe explosive severing tool
US7007756B2 (en) * 2002-11-22 2006-03-07 Schlumberger Technology Corporation Providing electrical isolation for a downhole device
US7617775B2 (en) 2003-07-15 2009-11-17 Special Devices, Inc. Multiple slave logging device
US7081831B2 (en) * 2003-08-29 2006-07-25 Halliburton Energy Services, Inc. Time-domain signal cancellation in downhole telemetry systems
AU2007256611B2 (en) 2006-06-09 2011-10-06 Detnet South Africa (Pty) Limited Detonator cross-talk reduction
AR064757A1 (es) 2007-01-06 2009-04-22 Welltec As Comunicacion/control de tractor y conmutador de seleccion de disparo perforador
US8576090B2 (en) 2008-01-07 2013-11-05 Hunting Titan, Ltd. Apparatus and methods for controlling and communicating with downwhole devices

Also Published As

Publication number Publication date
CA2708007A1 (en) 2008-08-21
AU2008216874A1 (en) 2008-08-21
EP2314830A1 (de) 2011-04-27
EP2402556B1 (de) 2013-03-20
EP2106494B1 (de) 2011-09-28
EP2402555A1 (de) 2012-01-04
WO2008100362A2 (en) 2008-08-21
RU2009130046A (ru) 2011-02-20
US8689868B2 (en) 2014-04-08
PL2314830T3 (pl) 2014-09-30
AR064757A1 (es) 2009-04-22
CA2708007C (en) 2013-11-19
US20140151018A1 (en) 2014-06-05
WO2008100362A3 (en) 2009-04-02
EP2402555B1 (de) 2013-04-03
US20100286800A1 (en) 2010-11-11
EP2314830B1 (de) 2014-03-12
PL2106494T3 (pl) 2012-02-29
US20110066378A1 (en) 2011-03-17
PL2402555T3 (pl) 2013-08-30
PL2402556T3 (pl) 2013-08-30
EP2106494A2 (de) 2009-10-07
EP2402556A1 (de) 2012-01-04

Similar Documents

Publication Publication Date Title
ATE526484T1 (de) Traktorkommunikation/-steuerung und auswahlschalter für die abfeuerungsperforierung
PL2152479T3 (pl) Sekator
GB2470697B (en) Selectively angled perforating
GB2479487B (en) Metal shears
DE602005005031D1 (de) Kommunikationsrelaiseinrichtung
DE602007010545D1 (de) Schneidegerät
EP2045050A4 (de) Elektrische schere
EP1994696A4 (de) Drahtlose maschennetze
FI20065696A0 (fi) Radioprosessin ohjaus
EP2150877A4 (de) Selektive aktivierung von steuerungen mit mehreren eingängen
DE602007005454D1 (de) Drahtloses Kommunikationssystem
DE602008003049D1 (de) Locher
FI20075036A0 (fi) Matkaviestinliittymän verkkonkytkeytymisen ohjaaminen
GB2456702B (en) Cutter assembly
BRPI0720485A2 (pt) Poliuretano, e, aparelho
EP2055449A4 (de) Haarschneidevorrichtung
DE602007002371D1 (de) Sicherheitsschalteraufbau
EP2062702A4 (de) Haarschneider
DK1981311T3 (da) Omskifteranordning til høreapparat
GB2452162B (en) Wire or strip cutting or shearing
CU23885B1 (es) Estratrienos 8-beta sustituidos como estrógenos de acción selectiva
GB2456591B (en) Hairdressing scissors
DE602005007329D1 (de) Schere
GB0719254D0 (en) Scissor comb combines
GB2461135B (en) Ambidextrous scissors

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties