GB8619316D0 - Rotary signal coupler - Google Patents

Rotary signal coupler

Info

Publication number
GB8619316D0
GB8619316D0 GB868619316A GB8619316A GB8619316D0 GB 8619316 D0 GB8619316 D0 GB 8619316D0 GB 868619316 A GB868619316 A GB 868619316A GB 8619316 A GB8619316 A GB 8619316A GB 8619316 D0 GB8619316 D0 GB 8619316D0
Authority
GB
United Kingdom
Prior art keywords
signal coupler
rotary signal
rotary
coupler
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.)
Pending
Application number
GB868619316A
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.)
THORBURN TECHNICS INT
THORBURN TECHNICS INTERNATIONAL Ltd
Original Assignee
THORBURN TECHNICS INT
THORBURN TECHNICS INTERNATIONAL 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 THORBURN TECHNICS INT, THORBURN TECHNICS INTERNATIONAL Ltd filed Critical THORBURN TECHNICS INT
Priority to GB868619316A priority Critical patent/GB8619316D0/en
Publication of GB8619316D0 publication Critical patent/GB8619316D0/en
Priority to PCT/GB1987/000554 priority patent/WO1988001096A1/en
Priority to EP87904924A priority patent/EP0277169A1/en
Pending 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
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/18—Rotary transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB868619316A 1986-08-07 1986-08-07 Rotary signal coupler Pending GB8619316D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB868619316A GB8619316D0 (en) 1986-08-07 1986-08-07 Rotary signal coupler
PCT/GB1987/000554 WO1988001096A1 (en) 1986-08-07 1987-08-03 Rotary signal coupler
EP87904924A EP0277169A1 (en) 1986-08-07 1987-08-03 Rotary signal coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868619316A GB8619316D0 (en) 1986-08-07 1986-08-07 Rotary signal coupler

Publications (1)

Publication Number Publication Date
GB8619316D0 true GB8619316D0 (en) 1986-09-17

Family

ID=10602391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB868619316A Pending GB8619316D0 (en) 1986-08-07 1986-08-07 Rotary signal coupler

Country Status (3)

Country Link
EP (1) EP0277169A1 (en)
GB (1) GB8619316D0 (en)
WO (1) WO1988001096A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916704A1 (en) * 1989-05-23 1989-12-14 Wellhausen Heinz SIGNAL TRANSMISSION IN DRILL RODS
FR2661511B1 (en) * 1990-04-27 1992-08-21 Geophysique Cie Gle DEVICE FOR ACQUIRING A SEISMIC SIGNAL EMITTED BY A ROTATING DRILLING TOOL.
US5248857A (en) * 1990-04-27 1993-09-28 Compagnie Generale De Geophysique Apparatus for the acquisition of a seismic signal transmitted by a rotating drill bit
GB2280315A (en) * 1993-07-19 1995-01-25 Secr Defence Rotatable electric transformer coupling
GB9413141D0 (en) * 1994-06-30 1994-08-24 Exploration And Production Nor Downhole data transmission
US6670880B1 (en) 2000-07-19 2003-12-30 Novatek Engineering, Inc. Downhole data transmission system
EP1305547B1 (en) 2000-07-19 2009-04-01 Novatek Engineering Inc. Data transmission system for a string of downhole components
US6830467B2 (en) 2003-01-31 2004-12-14 Intelliserv, Inc. Electrical transmission line diametrical retainer
US7019665B2 (en) 2003-09-02 2006-03-28 Intelliserv, Inc. Polished downhole transducer having improved signal coupling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519969A (en) * 1968-11-12 1970-07-07 Caterpillar Tractor Co Rotating transformer
DE1920890A1 (en) * 1969-04-24 1970-11-12 Guenther Vogeler Slip-ringless inductive transmitter
US4303902A (en) * 1979-08-31 1981-12-01 Westinghouse Electric Corp. Inductive coupler
JPH06120308A (en) * 1992-10-09 1994-04-28 Toshiba Corp Test method for semiconductor wafer

Also Published As

Publication number Publication date
WO1988001096A1 (en) 1988-02-11
EP0277169A1 (en) 1988-08-10

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