[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

GB2404401B - Electromagnetic gap sub assembly - Google Patents

Electromagnetic gap sub assembly

Info

Publication number
GB2404401B
GB2404401B GB0417072A GB0417072A GB2404401B GB 2404401 B GB2404401 B GB 2404401B GB 0417072 A GB0417072 A GB 0417072A GB 0417072 A GB0417072 A GB 0417072A GB 2404401 B GB2404401 B GB 2404401B
Authority
GB
United Kingdom
Prior art keywords
sub assembly
gap sub
electromagnetic gap
electromagnetic
assembly
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.)
Expired - Fee Related
Application number
GB0417072A
Other versions
GB2404401A (en
GB0417072D0 (en
Inventor
Tony Dopf
Derek Logan
Paul Camwell
Michael Nero
Clemens L Horst
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
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 US10/744,683 external-priority patent/US7093680B2/en
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Publication of GB0417072D0 publication Critical patent/GB0417072D0/en
Publication of GB2404401A publication Critical patent/GB2404401A/en
Application granted granted Critical
Publication of GB2404401B publication Critical patent/GB2404401B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • E21B47/122—
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/02—Electrically insulating joints or couplings
    • F16L25/021—Electrically insulating joints or couplings for screw-threaded joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Earth Drilling (AREA)
  • Gasket Seals (AREA)
GB0417072A 2003-07-31 2004-07-30 Electromagnetic gap sub assembly Expired - Fee Related GB2404401B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49156903P 2003-07-31 2003-07-31
US10/744,683 US7093680B2 (en) 1995-06-12 2003-12-23 Subsurface signal transmitting apparatus

Publications (3)

Publication Number Publication Date
GB0417072D0 GB0417072D0 (en) 2004-09-01
GB2404401A GB2404401A (en) 2005-02-02
GB2404401B true GB2404401B (en) 2006-12-06

Family

ID=32965826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0417072A Expired - Fee Related GB2404401B (en) 2003-07-31 2004-07-30 Electromagnetic gap sub assembly

Country Status (2)

Country Link
CA (1) CA2476370C (en)
GB (1) GB2404401B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2544457C (en) 2006-04-21 2009-07-07 Mostar Directional Technologies Inc. System and method for downhole telemetry
EP2034228A4 (en) * 2006-06-22 2011-03-30 Airbus Espana Sl Current-insulating system for fluid systems
US7866404B2 (en) 2006-07-06 2011-01-11 Halliburton Energy Services, Inc. Tubular member connection
EP1953570B1 (en) 2007-01-26 2011-06-15 Services Pétroliers Schlumberger A downhole telemetry system
EP2929142A4 (en) 2012-12-07 2016-07-27 Evolution Engineering Inc Method and apparatus for multi-channel downhole electromagnetic telemetry
EP2959105A1 (en) * 2013-02-21 2015-12-30 Evolution Engineering Inc. Electromagnetic pulse downhole telemetry
WO2014131133A1 (en) * 2013-03-01 2014-09-04 Evolution Engineering Inc. Pinned electromagnetic telemetry gap sub assembly
CA2915133C (en) 2013-06-21 2020-07-28 Evolution Engineering Inc. Methods and apparatus for generating electromagnetic telemetry signals
WO2015168803A1 (en) * 2014-05-08 2015-11-12 Evolution Engineering Inc. Gap assembly for em data telemetry
CA2946447C (en) 2014-05-08 2021-12-07 Evolution Engineering Inc. Drill string sections with interchangeable couplings
US10301891B2 (en) 2014-05-08 2019-05-28 Evolution Engineering Inc. Jig for coupling or uncoupling drill string sections with detachable couplings and related methods
US10352151B2 (en) 2014-05-09 2019-07-16 Evolution Engineering Inc. Downhole electronics carrier
US9803473B2 (en) 2015-10-23 2017-10-31 Schlumberger Technology Corporation Downhole electromagnetic telemetry receiver
CN105927150A (en) * 2016-04-11 2016-09-07 白伟华 Measurement-while-drilling electric drill device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618912A1 (en) * 1987-07-30 1989-02-03 Alsthom Drilling system with electromagnetic transmission of information from the bottom, and insulating connector for this system
US6050353A (en) * 1998-03-16 2000-04-18 Ryan Energy Technologies, Inc. Subassembly electrical isolation connector for drill rod
US6439324B1 (en) * 1998-03-05 2002-08-27 Halliburton Energy Services, Inc. Electrically insulating gap subassembly for downhole electromagnetic transmission
US20020189803A1 (en) * 1995-06-12 2002-12-19 Weatherford/Lamb, Inc. Subsurface signal transmitting apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618912A1 (en) * 1987-07-30 1989-02-03 Alsthom Drilling system with electromagnetic transmission of information from the bottom, and insulating connector for this system
US20020189803A1 (en) * 1995-06-12 2002-12-19 Weatherford/Lamb, Inc. Subsurface signal transmitting apparatus
US6439324B1 (en) * 1998-03-05 2002-08-27 Halliburton Energy Services, Inc. Electrically insulating gap subassembly for downhole electromagnetic transmission
US6050353A (en) * 1998-03-16 2000-04-18 Ryan Energy Technologies, Inc. Subassembly electrical isolation connector for drill rod

Also Published As

Publication number Publication date
CA2476370A1 (en) 2005-01-31
CA2476370C (en) 2009-06-09
GB2404401A (en) 2005-02-02
GB0417072D0 (en) 2004-09-01

Similar Documents

Publication Publication Date Title
GB2405115B (en) Hole-saw assembly including two hole-saws
EP1704294A4 (en) Rack-mounted door assembly
HK1069008A1 (en) Electrical assembly
GB2404401B (en) Electromagnetic gap sub assembly
GB0223654D0 (en) Electromagnetic actuator
PL1623440T3 (en) Electromagnetic actuator
EP1659677A4 (en) Electromagnetic actuator
GB0222625D0 (en) Magnet assembly
EP1580780A4 (en) Electromagnetic contactor
EP1580784A4 (en) Electromagnetic contactor
EP1655823A4 (en) Electromagnetic actuator
GB0202247D0 (en) Electromagnetic filter assemblies
AU2003259164A1 (en) Electromagnetic pump
EP1636119A4 (en) Magnetic centerguide
GB2407032B (en) Shower assembly
EP1590819A4 (en) An assembly
GB0324813D0 (en) Lock assembly
EP1650834A4 (en) Lock assembly
GB2400626B (en) Electromagnetic lock
GB2400402B (en) Gate assembly
GB2409581B (en) Magnet assemblies
EP1628710A4 (en) Reduced divergence electromagnetic field configuration
GB2398334B (en) Blind assembly
GB0407282D0 (en) Lock assembly
AU2003302725A8 (en) Microorganism-templated nanoparticle assembly

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20151029 AND 20151104

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190730