DK2386011T3 - Trykadministrationssystem til brøndkapperinge - Google Patents

Trykadministrationssystem til brøndkapperinge

Info

Publication number
DK2386011T3
DK2386011T3 DK10700334.5T DK10700334T DK2386011T3 DK 2386011 T3 DK2386011 T3 DK 2386011T3 DK 10700334 T DK10700334 T DK 10700334T DK 2386011 T3 DK2386011 T3 DK 2386011T3
Authority
DK
Denmark
Prior art keywords
management system
pressure management
well casings
casings
well
Prior art date
Application number
DK10700334.5T
Other languages
English (en)
Inventor
Oivind Godager
Original Assignee
Sensor Developments As
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 Sensor Developments As filed Critical Sensor Developments As
Application granted granted Critical
Publication of DK2386011T3 publication Critical patent/DK2386011T3/da

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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0085—Adaptations of electric power generating means for use in boreholes
    • 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
    • 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
    • E21B47/007—Measuring stresses in a pipe string or casing
    • 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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • 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
    • E21B47/06—Measuring temperature or pressure
    • 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
    • E21B47/06—Measuring temperature or pressure
    • E21B47/07—Temperature
    • 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
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
DK10700334.5T 2009-01-09 2010-01-07 Trykadministrationssystem til brøndkapperinge DK2386011T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0900348.4A GB0900348D0 (en) 2009-01-09 2009-01-09 Pressure management system for well casing annuli
GB0920672A GB2466861A (en) 2009-01-09 2009-11-25 Communicating through a casing pipe to a sensor using inductance
PCT/GB2010/000014 WO2010079327A1 (en) 2009-01-09 2010-01-07 Pressure management system for well casing annuli

Publications (1)

Publication Number Publication Date
DK2386011T3 true DK2386011T3 (da) 2013-03-04

Family

ID=40379382

Family Applications (1)

Application Number Title Priority Date Filing Date
DK10700334.5T DK2386011T3 (da) 2009-01-09 2010-01-07 Trykadministrationssystem til brøndkapperinge

Country Status (9)

Country Link
US (1) US8683859B2 (da)
EP (1) EP2386011B1 (da)
BR (1) BRPI1004555A2 (da)
CA (1) CA2748658C (da)
DK (1) DK2386011T3 (da)
GB (2) GB0900348D0 (da)
MX (1) MX2011007352A (da)
RU (1) RU2518689C2 (da)
WO (1) WO2010079327A1 (da)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2475910A (en) * 2009-12-04 2011-06-08 Sensor Developments As Wellbore measurement and control with inductive connectivity
US8198752B2 (en) * 2010-05-12 2012-06-12 General Electric Company Electrical coupling apparatus and method
CN101915090B (zh) * 2010-07-29 2013-04-24 中国海洋石油总公司 一种油气井出砂量监测系统及监测方法
SG187247A1 (en) * 2010-08-05 2013-03-28 Fmc Technologies Wireless communication system for monitoring of subsea well casing annuli
NO332520B1 (no) * 2010-12-28 2012-10-08 Techni As Anordning for overforing av elektriske signaler og/eller elektrisk energi
WO2013025188A1 (en) 2011-08-12 2013-02-21 Landmark Graphics Corporation Systems and methods for the evaluation of passive pressure containment barriers
US9151138B2 (en) 2011-08-29 2015-10-06 Halliburton Energy Services, Inc. Injection of fluid into selected ones of multiple zones with well tools selectively responsive to magnetic patterns
CN102562038B (zh) * 2012-02-10 2015-02-04 中国海洋石油总公司 一种井下地层的压力及温度直读测试系统
US9274038B2 (en) 2012-02-23 2016-03-01 Halliburton Energy Services, Inc. Apparatus and method for constant shear rate and oscillatory rheology measurements
US9091144B2 (en) * 2012-03-23 2015-07-28 Baker Hughes Incorporated Environmentally powered transmitter for location identification of wellbores
US9506324B2 (en) 2012-04-05 2016-11-29 Halliburton Energy Services, Inc. Well tools selectively responsive to magnetic patterns
US10175385B2 (en) 2012-05-23 2019-01-08 Halliburton Energy Services, Inc. Optimization visualization using normalized achievement variables
EP2877691B1 (en) * 2012-07-24 2019-09-11 FMC Technologies, Inc. Wireless downhole feedthrough system
US9249657B2 (en) * 2012-10-31 2016-02-02 General Electric Company System and method for monitoring a subsea well
GB201220857D0 (en) * 2012-11-20 2013-01-02 Intelligent Well Controls Ltd Downhole method and assembly for obtaining real-time data
US20150300159A1 (en) 2012-12-19 2015-10-22 David A. Stiles Apparatus and Method for Evaluating Cement Integrity in a Wellbore Using Acoustic Telemetry
WO2014100272A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Apparatus and method for monitoring fluid flow in a wellbore using acoustic signals
WO2014100275A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Wired and wireless downhole telemetry using a logging tool
WO2014100274A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Apparatus and method for detecting fracture geometry using acoustic telemetry
WO2014100276A1 (en) 2012-12-19 2014-06-26 Exxonmobil Upstream Research Company Electro-acoustic transmission of data along a wellbore
US9759062B2 (en) 2012-12-19 2017-09-12 Exxonmobil Upstream Research Company Telemetry system for wireless electro-acoustical transmission of data along a wellbore
US11008505B2 (en) 2013-01-04 2021-05-18 Carbo Ceramics Inc. Electrically conductive proppant
CA2896770A1 (en) 2013-01-04 2014-07-10 Chad Cannan Electrically conductive proppant and methods for detecting, locating and characterizing the electrically conductive proppant
NO20130595A1 (no) * 2013-04-30 2014-10-31 Sensor Developments As Et konnektivitetssystem for et permanent borehullsystem
NO340917B1 (no) * 2013-07-08 2017-07-10 Sensor Developments As System og fremgangsmåte for in-situ bestemmelse av et brønnformasjonstrykk gjennom et sementlag
US9739120B2 (en) 2013-07-23 2017-08-22 Halliburton Energy Services, Inc. Electrical power storage for downhole tools
US9482072B2 (en) 2013-07-23 2016-11-01 Halliburton Energy Services, Inc. Selective electrical activation of downhole tools
WO2015069999A1 (en) 2013-11-08 2015-05-14 Schlumberger Canada Limited Slide-on inductive coupler system
WO2015080754A1 (en) 2013-11-26 2015-06-04 Exxonmobil Upstream Research Company Remotely actuated screenout relief valves and systems and methods including the same
WO2015147788A1 (en) 2014-03-24 2015-10-01 Halliburton Energy Services, Inc. Well tools having magnetic shielding for magnetic sensor
MY186361A (en) 2014-05-01 2021-07-16 Halliburton Energy Services Inc Multilateral production control methods and systems employing a casing segment with at least one transmission crossover arrangement
MY180747A (en) 2014-05-01 2020-12-08 Halliburton Energy Services Inc Guided drilling methods and systems employing a casing segment with at least one transmission crossover arrangement
MY185925A (en) * 2014-05-01 2021-06-14 Halliburton Energy Services Inc Interwell tomography methods and systems employing a casing segment with at least one transmission crossover arrangement
GB2540095B (en) 2014-05-01 2020-09-09 Halliburton Energy Services Inc Casing segment having at least one transmission crossover arrangement
WO2015187908A1 (en) 2014-06-05 2015-12-10 Schlumberger Canada Limited Well integrity monitoring system with wireless coupler
US20150361757A1 (en) * 2014-06-17 2015-12-17 Baker Hughes Incoporated Borehole shut-in system with pressure interrogation for non-penetrated borehole barriers
WO2016039900A1 (en) 2014-09-12 2016-03-17 Exxonmobil Upstream Research Comapny Discrete wellbore devices, hydrocarbon wells including a downhole communication network and the discrete wellbore devices and systems and methods including the same
US10400536B2 (en) 2014-09-18 2019-09-03 Halliburton Energy Services, Inc. Model-based pump-down of wireline tools
US9879525B2 (en) 2014-09-26 2018-01-30 Exxonmobil Upstream Research Company Systems and methods for monitoring a condition of a tubular configured to convey a hydrocarbon fluid
WO2016068866A1 (en) 2014-10-28 2016-05-06 Halliburton Energy Services, Inc. Downhole state-machine-based monitoring of vibration
MX2017009283A (es) * 2015-01-16 2017-10-11 Halliburton Energy Services Inc Montaje de piston para reducir la acumulacion de presion anular.
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
US10053980B2 (en) * 2015-03-27 2018-08-21 Halliburton As Borehole stress meter system and method for determining wellbore formation instability
EP3101220A1 (en) * 2015-06-02 2016-12-07 Welltec A/S A downhole completion system
US10590758B2 (en) 2015-11-12 2020-03-17 Schlumberger Technology Corporation Noise reduction for tubewave measurements
GB201521282D0 (en) * 2015-12-02 2016-01-13 Qinetiq Ltd Sensor
US10408048B2 (en) 2016-02-22 2019-09-10 Halliburton Energy Services, Inc. Remote actuation of downhole sensors
WO2018004369A1 (ru) 2016-07-01 2018-01-04 Шлюмберже Канада Лимитед Способ и система для обнаружения в скважине объектов, отражающих гидравлический сигнал
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
US10465505B2 (en) 2016-08-30 2019-11-05 Exxonmobil Upstream Research Company Reservoir formation characterization using a downhole wireless network
US10526888B2 (en) 2016-08-30 2020-01-07 Exxonmobil Upstream Research Company Downhole multiphase flow sensing methods
US10344583B2 (en) * 2016-08-30 2019-07-09 Exxonmobil Upstream Research Company Acoustic housing for tubulars
US10167716B2 (en) 2016-08-30 2019-01-01 Exxonmobil Upstream Research Company Methods of acoustically communicating and wells that utilize the 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
US10697287B2 (en) 2016-08-30 2020-06-30 Exxonmobil Upstream Research Company Plunger lift monitoring via a downhole wireless network field
US10364669B2 (en) 2016-08-30 2019-07-30 Exxonmobil Upstream Research Company Methods of acoustically communicating and wells that utilize the methods
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
US10190410B2 (en) 2016-08-30 2019-01-29 Exxonmobil Upstream Research Company Methods of acoustically communicating and wells that utilize the methods
GB2574996B (en) 2017-06-01 2022-01-12 Halliburton Energy Services Inc Energy transfer mechanism for wellbore junction assembly
US11261708B2 (en) 2017-06-01 2022-03-01 Halliburton Energy Services, Inc. Energy transfer mechanism for wellbore junction assembly
US10837276B2 (en) 2017-10-13 2020-11-17 Exxonmobil Upstream Research Company Method and system for performing wireless ultrasonic communications along a drilling string
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
WO2019074658A1 (en) 2017-10-13 2019-04-18 Exxonmobil Upstream Research Company METHOD AND SYSTEM FOR REALIZING OPERATIONS WITH COMMUNICATIONS
CN111201726B (zh) 2017-10-13 2021-09-03 埃克森美孚上游研究公司 使用混叠进行通信的方法和系统
AU2018347876B2 (en) 2017-10-13 2021-10-07 Exxonmobil Upstream Research Company Method and system for performing hydrocarbon operations with mixed communication networks
CN111201755B (zh) 2017-10-13 2022-11-15 埃克森美孚上游研究公司 使用通信执行操作的方法和系统
US10690794B2 (en) 2017-11-17 2020-06-23 Exxonmobil Upstream Research Company Method and system for performing operations using communications for a hydrocarbon system
US11203927B2 (en) 2017-11-17 2021-12-21 Exxonmobil Upstream Research Company Method and system for performing wireless ultrasonic communications along tubular members
WO2019125410A1 (en) 2017-12-19 2019-06-27 Halliburton Energy Services, Inc. Energy transfer mechanism for wellbore junction assembly
AU2017443712B2 (en) 2017-12-19 2023-06-01 Halliburton Energy Services, Inc. Energy transfer mechanism for wellbore junction assembly
US10844708B2 (en) 2017-12-20 2020-11-24 Exxonmobil Upstream Research Company Energy efficient method of retrieving wireless networked sensor data
CA3079817C (en) * 2017-12-26 2022-07-12 Halliburton Energy Services, Inc. Alternating polarity of casing-side antennas in a wellbore
US11156081B2 (en) 2017-12-29 2021-10-26 Exxonmobil Upstream Research Company Methods and systems for operating and maintaining a downhole wireless network
CN111542679A (zh) 2017-12-29 2020-08-14 埃克森美孚上游研究公司 用于监视和优化储层增产操作的方法和系统
US10711600B2 (en) 2018-02-08 2020-07-14 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
CN108643886B (zh) * 2018-04-24 2022-02-11 中国海洋石油集团有限公司 一种深水井环空圈闭压力监测装置及方法
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
CO2018014207A1 (es) * 2018-12-26 2019-01-31 Barreto Aragon Jose Luis Sensor de corrosión por resistencia eléctrica para uso permanente y semipermanente en fondo en pozos
CN110145236A (zh) * 2019-05-31 2019-08-20 贵州大学 一种具有检测涌出量的钻头
CN111594138A (zh) * 2020-05-28 2020-08-28 中国石油天然气集团有限公司 一种全面测试套管工作参数的装置
US11867008B2 (en) 2020-11-05 2024-01-09 Saudi Arabian Oil Company System and methods for the measurement of drilling mud flow in real-time
US11572752B2 (en) 2021-02-24 2023-02-07 Saudi Arabian Oil Company Downhole cable deployment
US11727555B2 (en) 2021-02-25 2023-08-15 Saudi Arabian Oil Company Rig power system efficiency optimization through image processing
US11846151B2 (en) 2021-03-09 2023-12-19 Saudi Arabian Oil Company Repairing a cased wellbore
US11624265B1 (en) 2021-11-12 2023-04-11 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous jet cutting tools
US11867012B2 (en) 2021-12-06 2024-01-09 Saudi Arabian Oil Company Gauge cutter and sampler apparatus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974690A (en) 1975-10-28 1976-08-17 Stewart & Stevenson Oiltools, Inc. Method of and apparatus for measuring annulus pressure in a well
US4887672A (en) 1988-12-16 1989-12-19 Cameron Iron Works Usa, Inc. Subsea wellhead with annulus communicating system
US6693553B1 (en) * 1997-06-02 2004-02-17 Schlumberger Technology Corporation Reservoir management system and method
US6684952B2 (en) * 1998-11-19 2004-02-03 Schlumberger Technology Corp. Inductively coupled method and apparatus of communicating with wellbore equipment
EP1255912B1 (en) 2000-02-02 2006-06-07 FMC Technologies, Inc. Non-intrusive pressure measurement device for subsea well casing annuli
EG22206A (en) 2000-03-02 2002-10-31 Shell Int Research Oilwell casing electrical power pick-off points
FR2830272B1 (fr) 2001-10-01 2004-04-02 Schlumberger Services Petrol Dispositif de surveillance ou d'etude d'un reservoir traverse par un puits
NO20016399D0 (no) 2001-12-27 2001-12-27 Abb Research Ltd Mini-kraftomformer II
US7234519B2 (en) * 2003-04-08 2007-06-26 Halliburton Energy Services, Inc. Flexible piezoelectric for downhole sensing, actuation and health monitoring
US7168487B2 (en) * 2003-06-02 2007-01-30 Schlumberger Technology Corporation Methods, apparatus, and systems for obtaining formation information utilizing sensors attached to a casing in a wellbore
US7140434B2 (en) 2004-07-08 2006-11-28 Schlumberger Technology Corporation Sensor system
EP1662673B1 (en) 2004-11-26 2017-01-25 Services Pétroliers Schlumberger Method and apparatus for communicating across casing
GB0525989D0 (en) 2005-12-21 2006-02-01 Qinetiq Ltd Generation of electrical power from fluid flows
US7602668B2 (en) * 2006-11-03 2009-10-13 Schlumberger Technology Corporation Downhole sensor networks using wireless communication
GB0900446D0 (en) * 2009-01-12 2009-02-11 Sensor Developments As Method and apparatus for in-situ wellbore measurements
GB2475910A (en) * 2009-12-04 2011-06-08 Sensor Developments As Wellbore measurement and control with inductive connectivity

Also Published As

Publication number Publication date
MX2011007352A (es) 2011-10-12
US20120017673A1 (en) 2012-01-26
GB2466861A (en) 2010-07-14
US8683859B2 (en) 2014-04-01
CA2748658A1 (en) 2010-07-15
EP2386011A1 (en) 2011-11-16
RU2011128588A (ru) 2013-02-20
RU2518689C2 (ru) 2014-06-10
EP2386011B1 (en) 2012-11-21
GB0900348D0 (en) 2009-02-11
WO2010079327A1 (en) 2010-07-15
GB0920672D0 (en) 2010-01-13
CA2748658C (en) 2015-07-07
BRPI1004555A2 (pt) 2017-01-17

Similar Documents

Publication Publication Date Title
DK2386011T3 (da) Trykadministrationssystem til brøndkapperinge
GB2474996B (en) Monitoring system for well casing
BRPI0910665A2 (pt) sistema submarino de distribuição de pressão
IL219432A0 (en) Location intelligencee management system
GB201012919D0 (en) Monitoring system for well casing
EP2609282A4 (en) SYSTEM AND METHOD FOR DRILLING MANAGED UNDER PRESSURE
IT1395537B1 (it) Metodo di monitoraggio
DK2283904T3 (da) Komponentsystem
GB201006634D0 (en) Knowledge management system
DK2462491T3 (da) Overvågningssystem
ZA201203809B (en) Fluid management system
DK2482768T3 (da) Intrauterint system
BRPI1009974A2 (pt) sistema de gerenciamento espectral
DK2334897T3 (da) Forbedret styringssystem
DK3413000T3 (da) Afskærmningssystem
DK2515489T3 (da) Forbedret multipleksering til enkelt RLC-enhed
FI20095247L (fi) Yhteispaineruiskutusjärjestelmä
DK2346756T3 (da) Cleaning-in-place system
DK2488872T3 (da) Fremgangsmåde til prrsv detektering
DE102009040713A8 (de) Überwachungssystem
DK2408564T3 (da) Antispinsystem til et kegleknuserhoved
DE112011101093A5 (de) Hydrauliksystem
DK2491292T3 (da) Dobbeltrørsystem
DE112011101092A5 (de) Hydrauliksystem
DE112010004834A5 (de) Geberzylinder