EP0909876A2 - Système de transmission de données ou de courant électrique pour un appareil de forage - Google Patents

Système de transmission de données ou de courant électrique pour un appareil de forage Download PDF

Info

Publication number
EP0909876A2
EP0909876A2 EP98119278A EP98119278A EP0909876A2 EP 0909876 A2 EP0909876 A2 EP 0909876A2 EP 98119278 A EP98119278 A EP 98119278A EP 98119278 A EP98119278 A EP 98119278A EP 0909876 A2 EP0909876 A2 EP 0909876A2
Authority
EP
European Patent Office
Prior art keywords
rod
cable
electrical
pipe section
adapter
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.)
Granted
Application number
EP98119278A
Other languages
German (de)
English (en)
Other versions
EP0909876B1 (fr
EP0909876A3 (fr
Inventor
Elmar Dipl.-Ing. Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tracto Technik GmbH and Co KG
Original Assignee
Tracto Technik GmbH and Co KG
Tracto Technik Paul Schmidt Spezialmaschinen KG
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
Priority claimed from DE19819626A external-priority patent/DE19819626C2/de
Application filed by Tracto Technik GmbH and Co KG, Tracto Technik Paul Schmidt Spezialmaschinen KG filed Critical Tracto Technik GmbH and Co KG
Publication of EP0909876A2 publication Critical patent/EP0909876A2/fr
Publication of EP0909876A3 publication Critical patent/EP0909876A3/fr
Application granted granted Critical
Publication of EP0909876B1 publication Critical patent/EP0909876B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/028—Electrical or electro-magnetic connections
    • E21B17/0285—Electrical or electro-magnetic connections characterised by electrically insulating elements
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means

Definitions

  • the invention relates to a system for the transmission of Data or electrical current for a steerable horizontal drilling machine to relocate and replace Supply lines.
  • Such systems are used for trenchless laying of supply lines, for example for the transmission of Measurement data from a measuring device arranged in the drill head an external data processing unit is used.
  • the Transmission usually takes place via a radio link, as described in German Patent 44 38 934.
  • These are in known devices in the drill head Inclination sensors, roll sensors and temperature sensors arranged whose signals outside the underground Hole can be evaluated. Really important is the exact location of the steerable underground progressing drill head with the help of a location transmitter.
  • German utility model 88 09 108 described a long body for driving into the ground, in which the electrical supply lines in Pipe jacket run. A rotation of the pipe must be done be avoided to prevent twisting of the cable.
  • the invention has for its object a system for Transmission of signals or electrical current for one to create steerable horizontal drilling rig, which the avoids the aforementioned disadvantages and a reliable and easy use of a cable connection between a consumer or sensor and a power source or a data processing unit allowed.
  • the solution to the problem is a system with different ones Adapters according to the independent claims.
  • the system or the adapters are both for the striking as well as the rotating drilling operation and preferably consist of three elements (drive adapter, Linkage adapter, consumer adapter) for connecting the cable line.
  • the signal transmission between rotating linkage and Data processing unit or between power source and rotatable linkage can with the help of a drive adapter with fixed connection means in relation to the linkage respectively. It is particularly advantageous when a slip ring connection has an axially displaceable Has slip ring and / or pantograph to axial accelerations of the drill pipe, as in Drilling in hard rock or when using a hammer mechanism arise, neutralize and thus damage to prevent the slip ring connection.
  • the linkage rotates when the drill is rotating and thus the one on the rod Slip ring and the cable in the linkage.
  • pantograph lies on the slip ring , but does not perform any rotational movement because it is fixed on the drive side. A twisting of the cable is therefore excluded.
  • the individual boom sections can be electrical inner cables with rod adapters for the cable connection exhibit that along with the boom sections are automatically connectable by the cable ends in the Linkage head fixed and aligned so that a Connecting two boom sections also connecting the Cable ends.
  • the line can run axially in the drill pipe section and lie centrally in the rod head.
  • connection elements especially the connection between the consumer arranged in the drill and the cable line, connecting elements (consumer adapters) have an axial relative movement between the connected elements without transfer of Allow axial forces.
  • the system for the transmission of electrical signals and electric current for a steerable horizontal drilling machine consists of a drive adapter 10, a linkage adapter 100 and a consumer adapter 200.
  • the drive adapter 10 is used to transmit the electrical Signals from the rotating drill pipe 11 a fixed one with a data processing unit (not shown) connected pantograph 12.
  • the Current collector 12 is arranged on a holder 13 in such a way that it rests on a slip ring 14 on a linkage 15 is arranged and with this and rotates with the rod 11 around the rod axis.
  • a cable 16 emerges centrally from the linkage 11 and in a central bore in the rod connection 15. Via an outlet opening 18 in the wall of the rod connection 15 is the cable 16 from the drive adapter 10 led out.
  • the outlet opening 18 is with a sealing screw 19 against the leakage of drilling fluid sealed.
  • the cable 16 is from the sealing screw 19 led to a slip ring connection 20.
  • the slip ring connection 20 is in direct contact with the slip ring 14 and rotates with it the rod axis.
  • the slip ring 14 is axially displaceable or adjustable stored on the linkage 15 and in his Width dimensioned so that the contact to the pantograph 12 even with an axial displacement of the slip ring remains.
  • the boom adapter 100 has in the area of the boom connection 103 a rod box 104 with electrical Plugs 105.
  • the plugs 105 connect within the Linkage sections 101, 102 running on their axis electrical lines 106,107 (coaxial cable). Furthermore the boom sections have 101,102 different ones Channels 108,109 (annular gap for line medium) for different Media.
  • the electrical connector 105 is against e.g. channels 108,109 containing liquid media sealed. The media can also be used for transmission use of impulses.
  • the electrical connector consists of a Plug 111 and a socket 112, when connecting interlock smoothly and thereby secure make electrical contact.
  • This connection can be designed as a swirl coupling.
  • the electrical connectors are through a seal 113 and seals 114 against their surroundings.
  • the plug connections or cables are with cable locks 115,116 so fixed that the flow of the media in the channels 108, 109 is not obstructed.
  • the additional Ring channel 109 allows the separate transport of two different media.
  • the linkage preferably has on one side an outer and preferably on the other side Inner thread. This means that a pipe run can consist of several Individual rods should be assembled.
  • a measuring device arranged in the area of the drill head can therefore, for example if the drill head has a certain one Has traveled the distance and its position can be determined to be connected to a power source by the rod head protruding from the hole (Fig. 1, Section 11) to the machine or data processing unit or power source is connected.
  • a transmitter 215 in a cylindrical Chamber 210 arranged at the consumer adapter is in the housing 205 of a drill (not shown) a transmitter 215 in a cylindrical Chamber 210 arranged.
  • the transmitter 215 instructs cylindrical housing whose outer diameter is less than the inside diameter of chamber 210.
  • slide rings 220 With the help of slide rings 220, the transmitter 215 is so in the chamber 210 mounted so that it is axially displaceable.
  • the axial movement of the transmitter 215 within the cylindrical Chamber 210 is also in a damper socket 225 arranged dampers 230 buffered on a metallic Stopper 235 fit.
  • the transmitter Via the electrically conductive one connected to the transmitter 215 Damper socket 225, the transmitter is grounded.
  • the Connection is via an earthing spring 296, which is supported on the metallic plug 235 and is slidably mounted. The plug is in Contact with the housing 205 and consequently with that Housing surrounding soil.
  • the illustrated rear area of transmitter 215 points Connecting elements 290,295,296,297,298 for connecting of the transmitter with a power source and / or a data processing unit via a supply cable 255.
  • these connecting elements are constructed that a cable 297 coming out of the transmitter by means of a crimp connection 295 with a thread Slide bushing 290 is screwed.
  • the sliding bush 290 and the crimp connection 295 are through support rings 285 and 298 supported within the cylindrical chamber and isolated against the damper mount 225.
  • the sliding bush 290 is for receiving a plug 270 formed, which is connected to the connecting cable 255 is.
  • a plug socket 245 is used to fix the Plug 270 in the drill housing. Since the socket 245 is grounded, the plug is connected to an insulation socket 275 insulated from the housing.
  • the rod end of the plug is common loaded with drilling fluid from the linkage passed an exit nozzle at the drill head past the transmitter becomes. Therefore, the transmitter is over a sealing element 265 sealed against penetration of the drilling fluid.
  • the sealing element 265 is over a pressure plate 250 and a union nut 260 to the rod end of the Plug 270 crimped.
  • the plug 270 To connect the transmitter 215 to the power source and / or a data processing unit becomes the plug 270 inserted into the sliding bush 290.
  • the diameter of the plug 270 and the sliding bush 290 are selected so that on the one hand a safe electrical contact and on the other hand an axial displacement of the Plug 270 comes about relative to the sliding bush 290.
  • This axial displaceability also requires one relative axial displacement between the transmitter 215 and connecting cable 255.
  • the plug 270 and the sliding bush 290 can be included Exchange wear easily. To exchange of the plug 270, only the union nut 260 and the fastening nut 240 are loosened.
  • the transmitter 215 can also be removed, without having to disconnect the connecting cable 255.
  • the connection to the linkage and thus also the fluid space of the drilling fluid removed transmitter 215 closed because to remove the Transmitter does not have the connector assembly 240,260,265,270 must be solved.
  • connection cable 255 is also replaced possible without removing the transmitter 215 from its housing to have, as was previously required.
  • the transmitter can also be grounded for example via a spring, displaceable be stored so that no power transmission with an axial displacement of the transmitter 215 to the grounding element takes place.
  • the consumer adapter according to the invention thus allows problem-free use of electrical consumers, such as a location transmitter in a beating or intermittent hitting drill.
  • the system delivers electrical transmission Signals or electrical current with its Elements, individually or in combination, a reliable Possibility of a line connection between sensors in the drill head and external recovery devices as well between all types of consumers within the well and a voltage source.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
EP98119278A 1997-10-14 1998-10-13 Système de transmission de données ou de courant électrique pour un appareil de forage Expired - Lifetime EP0909876B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19745368 1997-10-14
DE19745368 1997-10-14
DE19757512 1997-12-23
DE19757512 1997-12-23
DE19819626A DE19819626C2 (de) 1997-10-14 1998-05-04 Datenübertragungssystem
DE19819626 1998-05-04

Publications (3)

Publication Number Publication Date
EP0909876A2 true EP0909876A2 (fr) 1999-04-21
EP0909876A3 EP0909876A3 (fr) 2002-07-17
EP0909876B1 EP0909876B1 (fr) 2005-12-21

Family

ID=27217822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119278A Expired - Lifetime EP0909876B1 (fr) 1997-10-14 1998-10-13 Système de transmission de données ou de courant électrique pour un appareil de forage

Country Status (5)

Country Link
US (2) US6402524B2 (fr)
EP (1) EP0909876B1 (fr)
JP (1) JPH11219743A (fr)
AU (1) AU752695B2 (fr)
CA (1) CA2250323A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016131533A1 (fr) * 2015-02-19 2016-08-25 Tracto-Technik Gmbh & Co. Kg Portion de tige de forage double, tronçon de tige de forage double et procédé pour former une liaison électriquement conductrice dans une portion de tige de forage double

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6845822B2 (en) * 1999-05-24 2005-01-25 Merlin Technology, Inc Auto-extending/retracting electrically isolated conductors in a segmented drill string
GB2377951B (en) 2001-07-25 2004-02-04 Schlumberger Holdings Method and system for drilling a wellbore having cable based telemetry
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
US20080012569A1 (en) * 2005-05-21 2008-01-17 Hall David R Downhole Coils
US7504963B2 (en) * 2005-05-21 2009-03-17 Hall David R System and method for providing electrical power downhole
US7268697B2 (en) * 2005-07-20 2007-09-11 Intelliserv, Inc. Laterally translatable data transmission apparatus
US20070044959A1 (en) * 2005-09-01 2007-03-01 Baker Hughes Incorporated Apparatus and method for evaluating a formation
US7488194B2 (en) 2006-07-03 2009-02-10 Hall David R Downhole data and/or power transmission system
US7404725B2 (en) * 2006-07-03 2008-07-29 Hall David R Wiper for tool string direct electrical connection
US7649475B2 (en) * 2007-01-09 2010-01-19 Hall David R Tool string direct electrical connection
US7617877B2 (en) * 2007-02-27 2009-11-17 Hall David R Method of manufacturing downhole tool string components
US7934570B2 (en) * 2007-06-12 2011-05-03 Schlumberger Technology Corporation Data and/or PowerSwivel
WO2009133474A2 (fr) * 2008-04-08 2009-11-05 Schlumberger Canada Limited Système connecteur de tube de forage câblé
US8237584B2 (en) * 2008-04-24 2012-08-07 Schlumberger Technology Corporation Changing communication priorities for downhole LWD/MWD applications
ITTO20090306A1 (it) * 2009-04-20 2010-10-21 Trevi Spa Asta di perforazione con contatti elettrici
AT508272B1 (de) * 2009-06-08 2011-01-15 Advanced Drilling Solutions Gmbh Vorrichtung zum verbinden von elektrischen leitungen
DE102010019514B4 (de) * 2010-05-06 2014-07-03 Tracto-Technik Gmbh & Co. Kg Erdbohrvorrichtung und Bohrgestänge
IT1400540B1 (it) * 2010-05-28 2013-06-11 Pe Gas Us S R L Connettore elettrico, in particolare per una batteria di trivellazione.
US9004161B2 (en) * 2010-08-06 2015-04-14 Baker Hughes Incorporated Apparatus and methods for real time communication in drill strings
US8893822B2 (en) 2010-08-06 2014-11-25 Baker Hughes Incorporated Apparatus and methods for real time communication between drill bit and drilling assembly
US9334698B2 (en) 2011-06-28 2016-05-10 Utah Valley University Drill rod shock tool
US9267346B2 (en) * 2012-07-02 2016-02-23 Robertson Intellectual Properties, LLC Systems and methods for monitoring a wellbore and actuating a downhole device
FI123928B (en) 2012-09-06 2013-12-31 Robit Rocktools Ltd Method of drillhole exploration, drill arrangement, and drillhole exploration configuration
CN106246168B (zh) 2016-08-29 2017-09-19 中国科学院地质与地球物理研究所 一种近钻头钻具姿态随钻测量装置及测量方法
CN106246167B (zh) 2016-08-31 2017-07-14 中国科学院地质与地球物理研究所 近钻头恒功率无线短传方法及装置
CN106246169B (zh) 2016-08-31 2017-09-01 中国科学院地质与地球物理研究所 一种适用于井下近钻头无线短传发射的机械装置
CN106246163B (zh) 2016-08-31 2017-07-14 中国科学院地质与地球物理研究所 近钻头动态井斜测量方法及装置
CN106223937B (zh) * 2016-08-31 2017-09-29 中国科学院地质与地球物理研究所 一种适用于井下近钻头无线短传的接收装置
CN106527969B (zh) 2016-09-21 2017-09-19 中国科学院地质与地球物理研究所 一种寿命均衡的NandFlash存储器读写方法
CN106522925B (zh) 2016-11-21 2018-04-13 中国科学院地质与地球物理研究所 一种随钻方位声波信号接收换能器封装装置
CN106640055B (zh) 2016-11-21 2017-11-17 中国科学院地质与地球物理研究所 一种适用于随钻方位声波测井的接收装置
US10578754B2 (en) 2017-01-19 2020-03-03 Institute Of Geology And Geophysics, Chinese Academy Of Sciences Sinusoidal excitation method and apparatus for multi-pole acoustic logging while drilling
CN106869907B (zh) 2017-01-19 2019-08-06 中国科学院地质与地球物理研究所 基于电场理论的近钻头无线短传地面环境下标定方法
CN108457602B (zh) * 2017-12-18 2019-09-03 中国石油天然气集团公司 一种可释放连接器
US11401750B2 (en) 2019-09-20 2022-08-02 The Charles Machine Works, Inc. Telemetry pipe system
EP3923421A1 (fr) * 2020-06-09 2021-12-15 Afag Holding AG Dispositif de raccordement électrique à un corps de base et à un corps coulissant
CN112652930B (zh) * 2020-11-30 2022-05-24 中国石油天然气集团有限公司 一种接触式过线马达转换抵消总成及电信号传输方法
CN112412438A (zh) * 2020-12-18 2021-02-26 西南石油大学 一种井底积液实时监测系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8809108U1 (fr) 1988-07-15 1988-09-01 Schmidt, Paul, 5940 Lennestadt, De
DE4438934C1 (de) 1994-10-31 1995-11-16 Tracto Technik Ortungsvorrichtung für Rammbohrgeräte
DE19613788C1 (de) 1996-04-04 1998-03-05 Tracto Technik Verfahren und Vorrichtung zum Einziehen von Rohren oder Kabeln in eine Pilotbohrung

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1794291A (en) * 1928-08-02 1931-02-24 Hobart Brothers Co Brush support for electrical apparatus
US2224439A (en) * 1937-12-13 1940-12-10 Joseph H Reynolds Apparatus for earth boring
US2643087A (en) * 1950-12-22 1953-06-23 Standard Oil Dev Co Self-powered rotary drilling apparatus
US2681564A (en) * 1953-04-23 1954-06-22 Jr James R Jeromson Painted slip ring structure and method of making same
US3087038A (en) * 1959-10-19 1963-04-23 Raymond W Bethke Electric current interchange contact
US3793606A (en) * 1973-01-02 1974-02-19 Ite Imperial Corp Squeeze coil spring and current transfer means
US4399877A (en) 1981-04-17 1983-08-23 Nl Sperry Sun, Inc. Continuous borehole telemetry system and method
FR2544559B1 (fr) * 1982-11-09 1985-10-25 Labinal Connecteur electrique etanche
US4606603A (en) * 1983-04-07 1986-08-19 Lockheed Corporation Underwater connector including integral bladder and seal with a set of constricting means
US4600062A (en) * 1984-07-13 1986-07-15 501 Dailey Petroleum Services Corporation Shock absorbing drilling tool
US4660910A (en) * 1984-12-27 1987-04-28 Schlumberger Technology Corporation Apparatus for electrically interconnecting multi-sectional well tools
US4676563A (en) * 1985-05-06 1987-06-30 Innotech Energy Corporation Apparatus for coupling multi-conduit drill pipes
FR2582453B1 (fr) * 1985-05-21 1987-09-18 Labinal Joint pour la realisation d'un connecteur electrique etanche et connecteur realise avec un tel joint
US4905773A (en) 1987-11-02 1990-03-06 Underground Technologies Self-propelled subsoil penetrating tool system
US4997384A (en) * 1989-04-17 1991-03-05 Otis Engineering Corporation Wet connector
US5141051A (en) * 1991-06-05 1992-08-25 Ensco Technology Company Electrical wet connect and check valve for a drill string
GB2270568A (en) * 1992-09-15 1994-03-16 Crane Electronics Torque transducer having a slipring and brush assembly
US5425645A (en) * 1993-11-19 1995-06-20 Remington Products Company Electric power cord connector having two axes of movement
US5588916A (en) * 1994-02-17 1996-12-31 Duramax, Inc. Torque control device for rotary mine drilling machine
AUPM395494A0 (en) 1994-02-18 1994-03-10 Advanced Mining Technologies Pty. Ltd. Modular electric cable for borehole drill pipe
US5820416A (en) * 1996-01-04 1998-10-13 Carmichael; Alan L. Multiple contact wet connector
US5740127A (en) * 1996-08-21 1998-04-14 Scientific Drilling International Pulse production and control in drill strings
US5823257A (en) * 1996-10-04 1998-10-20 Peyton; Mark Alan Rotatable wet connect for downhole logging devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8809108U1 (fr) 1988-07-15 1988-09-01 Schmidt, Paul, 5940 Lennestadt, De
DE4438934C1 (de) 1994-10-31 1995-11-16 Tracto Technik Ortungsvorrichtung für Rammbohrgeräte
DE19613788C1 (de) 1996-04-04 1998-03-05 Tracto Technik Verfahren und Vorrichtung zum Einziehen von Rohren oder Kabeln in eine Pilotbohrung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016131533A1 (fr) * 2015-02-19 2016-08-25 Tracto-Technik Gmbh & Co. Kg Portion de tige de forage double, tronçon de tige de forage double et procédé pour former une liaison électriquement conductrice dans une portion de tige de forage double
US10745977B2 (en) 2015-02-19 2020-08-18 Tracto-Technik Gmbh & Co. Kg Double drill rod section, double drill rod length and method of producing an electrically conductive connection in a double drill rod section

Also Published As

Publication number Publication date
EP0909876B1 (fr) 2005-12-21
AU8839798A (en) 1999-05-06
CA2250323A1 (fr) 1999-04-14
AU752695B2 (en) 2002-09-26
JPH11219743A (ja) 1999-08-10
EP0909876A3 (fr) 2002-07-17
US6402524B2 (en) 2002-06-11
US20030082929A1 (en) 2003-05-01
US20010012703A1 (en) 2001-08-09

Similar Documents

Publication Publication Date Title
EP0909876B1 (fr) Système de transmission de données ou de courant électrique pour un appareil de forage
DE2827295C2 (de) Mitnehmerstange und Anordnung aus Mitnehmerstange, Anschlußstück und Schieberteil zur Verwendung bei einem Bohrgestänge mit Telemetrieeinrichtung
AT508272B1 (de) Vorrichtung zum verbinden von elektrischen leitungen
EP0620565B1 (fr) Câble coaxial à haute fréquence
EP2738346B1 (fr) Dispositif de raccordement électrique pour tuyau de forage filaire
DE102011010958A1 (de) Steckverbindung und Gestängeschuss für Bohrgestänge
DE102004003479B4 (de) Bohrgestänge für Tiefbohrungen
DE19819626C2 (de) Datenübertragungssystem
DE102010019514B4 (de) Erdbohrvorrichtung und Bohrgestänge
EP3828375A1 (fr) Enrouleur de câble pour insérer un câble de données dans une corde de forage, en particulier un perçage horizontal
EP3696369B1 (fr) Dispositif de forage du sol pour un forage dirigé par câble, procédé de forage du sol dirigé par câble et utilisation lors du forage du sol dirigé par câble
DE3012292C2 (fr)
DE3041337C2 (fr)
DE2607164C3 (de) Elektrische Vielfachdurchführung, insbesondere für Gewinnungsmaschinen des Untertagebergbaues
EP2205813B1 (fr) Procédé et dispositif de contrôle de l'enveloppe d'une conduite tubulaire pendant sa pose dans un trou de forage rempli de liquide
EP3259434B1 (fr) Portion de tige de forage double, tronçon de tige de forage double et procédé pour former une liaison électriquement conductrice dans une portion de tige de forage double
EP0893299A2 (fr) Installation électrique aérienne avec construction de support du caténaire
EP2150674B1 (fr) Procédé et dispositif de contrôle du gainage d'une tubulure lors de l'insertion dans un trou de forage rempli de liquide
DE202014005296U1 (de) Gestängeschuss und Gestängeschusssystem
DE2744829C2 (de) Rohrlänge für Arbeiten in Tiefbohrungen und Verfahren zu ihrer Herstellung
DE3032696C2 (fr)
EP0964133A1 (fr) Boítier pour transmetteur
EP4183974A1 (fr) Système de tige creuse assisté par capteur
DE1805836C (de) Zugfeste Einfuhrung eines Unterwas serkabels in ein Verstarkergehause
EP0068489B1 (fr) Appareil pour contacter électriquement une barre

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20030113

AKX Designation fees paid

Designated state(s): DE GB

17Q First examination report despatched

Effective date: 20040422

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 59813293

Country of ref document: DE

Date of ref document: 20060126

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060329

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060922

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20141024

Year of fee payment: 17

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20151013

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151013

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20171124

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59813293

Country of ref document: DE