EP2678516A4 - Drill string adapter and method for inground signal coupling - Google Patents

Drill string adapter and method for inground signal coupling Download PDF

Info

Publication number
EP2678516A4
EP2678516A4 EP12748918.5A EP12748918A EP2678516A4 EP 2678516 A4 EP2678516 A4 EP 2678516A4 EP 12748918 A EP12748918 A EP 12748918A EP 2678516 A4 EP2678516 A4 EP 2678516A4
Authority
EP
European Patent Office
Prior art keywords
drill string
signal coupling
string adapter
inground
inground signal
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Withdrawn
Application number
EP12748918.5A
Other languages
German (de)
French (fr)
Other versions
EP2678516A2 (en
Inventor
Albert W. Chau
Benjamin John MEDEIROS
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.)
Merlin Technology Inc
Original Assignee
Merlin Technology 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 US13/035,833 external-priority patent/US20120218863A1/en
Priority claimed from US13/035,774 external-priority patent/US8695727B2/en
Application filed by Merlin Technology Inc filed Critical Merlin Technology Inc
Publication of EP2678516A2 publication Critical patent/EP2678516A2/en
Publication of EP2678516A4 publication Critical patent/EP2678516A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/003Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/028Electrical or electro-magnetic connections
    • E21B17/0283Electrical or electro-magnetic connections characterised by the coupling being contactless, e.g. inductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
EP12748918.5A 2011-02-25 2012-02-08 Drill string adapter and method for inground signal coupling Withdrawn EP2678516A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/035,833 US20120218863A1 (en) 2011-02-25 2011-02-25 Inground drill string housing and method for signal coupling
US13/035,774 US8695727B2 (en) 2011-02-25 2011-02-25 Drill string adapter and method for inground signal coupling
PCT/US2012/024257 WO2012115778A2 (en) 2011-02-25 2012-02-08 Drill string adapter and method for inground signal coupling

Publications (2)

Publication Number Publication Date
EP2678516A2 EP2678516A2 (en) 2014-01-01
EP2678516A4 true EP2678516A4 (en) 2017-11-22

Family

ID=46721394

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12749614.9A Withdrawn EP2678517A2 (en) 2011-02-25 2012-02-08 Inground drill string housing and methods for signal coupling
EP12748918.5A Withdrawn EP2678516A4 (en) 2011-02-25 2012-02-08 Drill string adapter and method for inground signal coupling

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12749614.9A Withdrawn EP2678517A2 (en) 2011-02-25 2012-02-08 Inground drill string housing and methods for signal coupling

Country Status (5)

Country Link
EP (2) EP2678517A2 (en)
CN (2) CN104040108A (en)
HK (1) HK1201898A1 (en)
RU (2) RU2013138440A (en)
WO (2) WO2012115779A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9422802B2 (en) * 2013-03-14 2016-08-23 Merlin Technology, Inc. Advanced drill string inground isolator housing in an MWD system and associated method
US9759012B2 (en) * 2015-09-24 2017-09-12 Merlin Technology, Inc. Multimode steering and homing system, method and apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354887A (en) * 1942-10-29 1944-08-01 Stanolind Oil & Gas Co Well signaling system
WO1984001439A1 (en) * 1982-09-30 1984-04-12 Macleod Lab Inc Apparatus and method for logging wells while drilling
US5869968A (en) * 1994-03-11 1999-02-09 Baker Hughes Incorporated Method and apparatus for avoiding mutual coupling between receivers in measurement while drilling
GB2405420A (en) * 2003-08-27 2005-03-02 Prec Drilling Tech Serv Group Electromagnetic MWD telemetry system incorporating a current sensing transformer
US20050218898A1 (en) * 2004-04-01 2005-10-06 Schlumberger Technology Corporation [a combined propagation and lateral resistivity downhole tool]
WO2009086637A1 (en) * 2008-01-11 2009-07-16 Schlumberger Technology Corporation Electromagnetic telemetry assembly with protected antenna

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA823430B (en) * 1981-05-22 1983-03-30 Coal Industry Patents Ltd Drill pipe sections
US4899112A (en) * 1987-10-30 1990-02-06 Schlumberger Technology Corporation Well logging apparatus and method for determining formation resistivity at a shallow and a deep depth
US6100696A (en) * 1998-01-09 2000-08-08 Sinclair; Paul L. Method and apparatus for directional measurement of subsurface electrical properties
US6134892A (en) * 1998-04-23 2000-10-24 Aps Technology, Inc. Cooled electrical system for use downhole
GB2341754B (en) * 1998-09-19 2002-07-03 Cryoton Drill string telemetry
US6845822B2 (en) * 1999-05-24 2005-01-25 Merlin Technology, Inc Auto-extending/retracting electrically isolated conductors in a segmented drill string
US6367564B1 (en) * 1999-09-24 2002-04-09 Vermeer Manufacturing Company Apparatus and method for providing electrical transmission of power and signals in a directional drilling apparatus
WO2002006716A1 (en) * 2000-07-19 2002-01-24 Novatek Engineering Inc. Data transmission system for a string of downhole components
EP1320659A1 (en) * 2000-09-28 2003-06-25 Paulo S. Tubel Method and system for wireless communications for downhole applications
GB0101919D0 (en) * 2001-01-25 2001-03-07 Geolink Uk Ltd Induction logging antenna
US6866306B2 (en) * 2001-03-23 2005-03-15 Schlumberger Technology Corporation Low-loss inductive couplers for use in wired pipe strings
CN100513742C (en) * 2004-02-16 2009-07-15 中国石油集团钻井工程技术研究院 Electromagnetic telemetering method and system of measuring by bit
US7913773B2 (en) * 2005-08-04 2011-03-29 Schlumberger Technology Corporation Bidirectional drill string telemetry for measuring and drilling control
US7490428B2 (en) * 2005-10-19 2009-02-17 Halliburton Energy Services, Inc. High performance communication system
US7777644B2 (en) * 2005-12-12 2010-08-17 InatelliServ, LLC Method and conduit for transmitting signals
US20100224356A1 (en) * 2009-03-06 2010-09-09 Smith International, Inc. Apparatus for electrical power and/or data transfer between rotating components in a drill string

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354887A (en) * 1942-10-29 1944-08-01 Stanolind Oil & Gas Co Well signaling system
WO1984001439A1 (en) * 1982-09-30 1984-04-12 Macleod Lab Inc Apparatus and method for logging wells while drilling
US5869968A (en) * 1994-03-11 1999-02-09 Baker Hughes Incorporated Method and apparatus for avoiding mutual coupling between receivers in measurement while drilling
GB2405420A (en) * 2003-08-27 2005-03-02 Prec Drilling Tech Serv Group Electromagnetic MWD telemetry system incorporating a current sensing transformer
US20050218898A1 (en) * 2004-04-01 2005-10-06 Schlumberger Technology Corporation [a combined propagation and lateral resistivity downhole tool]
WO2009086637A1 (en) * 2008-01-11 2009-07-16 Schlumberger Technology Corporation Electromagnetic telemetry assembly with protected antenna

Also Published As

Publication number Publication date
WO2012115779A2 (en) 2012-08-30
WO2012115778A2 (en) 2012-08-30
EP2678516A2 (en) 2014-01-01
EP2678517A2 (en) 2014-01-01
WO2012115779A3 (en) 2013-10-17
CN104040108A (en) 2014-09-10
CN103518034A (en) 2014-01-15
WO2012115778A3 (en) 2013-10-24
HK1201898A1 (en) 2015-09-11
RU2013138441A (en) 2015-02-27
RU2013138440A (en) 2015-02-27

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

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Effective date: 20130920

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20171024

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 19/18 20060101ALI20171018BHEP

Ipc: E21B 17/02 20060101ALI20171018BHEP

Ipc: E21B 47/12 20120101ALI20171018BHEP

Ipc: E21B 19/16 20060101AFI20171018BHEP

Ipc: E21B 17/00 20060101ALI20171018BHEP

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Effective date: 20180523