GB0300249D0 - Communication system for down hole use - Google Patents

Communication system for down hole use

Info

Publication number
GB0300249D0
GB0300249D0 GB0300249A GB0300249A GB0300249D0 GB 0300249 D0 GB0300249 D0 GB 0300249D0 GB 0300249 A GB0300249 A GB 0300249A GB 0300249 A GB0300249 A GB 0300249A GB 0300249 D0 GB0300249 D0 GB 0300249D0
Authority
GB
United Kingdom
Prior art keywords
communication system
down hole
hole use
communication
hole
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Withdrawn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
GB0300249A
Other versions
GB2397078A (en
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.)
Spring Gregson W M
Original Assignee
Spring Gregson W M
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 Spring Gregson W M filed Critical Spring Gregson W M
Priority to GB0300249A priority Critical patent/GB2397078A/en
Publication of GB0300249D0 publication Critical patent/GB0300249D0/en
Priority to PCT/GB2004/000043 priority patent/WO2004062081A1/en
Publication of GB2397078A publication Critical patent/GB2397078A/en
Withdrawn legal-status Critical Current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
    • E21B47/14—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 using acoustic waves
    • E21B47/18—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 using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P15/00—Arrangements for controlling dynamo-electric brakes or clutches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/06—Control effected upon clutch or other mechanical power transmission means and dependent upon electric output value of the generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
GB0300249A 2003-01-07 2003-01-07 Mud pulse communication with alternator speed control Withdrawn GB2397078A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0300249A GB2397078A (en) 2003-01-07 2003-01-07 Mud pulse communication with alternator speed control
PCT/GB2004/000043 WO2004062081A1 (en) 2003-01-07 2004-01-06 Downhole communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0300249A GB2397078A (en) 2003-01-07 2003-01-07 Mud pulse communication with alternator speed control

Publications (2)

Publication Number Publication Date
GB0300249D0 true GB0300249D0 (en) 2003-02-05
GB2397078A GB2397078A (en) 2004-07-14

Family

ID=9950730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0300249A Withdrawn GB2397078A (en) 2003-01-07 2003-01-07 Mud pulse communication with alternator speed control

Country Status (2)

Country Link
GB (1) GB2397078A (en)
WO (1) WO2004062081A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133325B2 (en) 2004-03-09 2006-11-07 Schlumberger Technology Corporation Apparatus and method for generating electrical power in a borehole
US7348893B2 (en) 2004-12-22 2008-03-25 Schlumberger Technology Corporation Borehole communication and measurement system
US7983113B2 (en) 2005-03-29 2011-07-19 Baker Hughes Incorporated Method and apparatus for downlink communication using dynamic threshold values for detecting transmitted signals
US7518950B2 (en) * 2005-03-29 2009-04-14 Baker Hughes Incorporated Method and apparatus for downlink communication
US8931579B2 (en) * 2005-10-11 2015-01-13 Halliburton Energy Services, Inc. Borehole generator
CN101718195B (en) * 2009-12-21 2013-05-08 北京中联博韬科技咨询有限公司 Slurry pulse generator
EP2708695A1 (en) 2012-09-13 2014-03-19 Services Pétroliers Schlumberger Turbine speed control system for downhole tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800277A (en) * 1972-07-18 1974-03-26 Mobil Oil Corp Method and apparatus for surface-to-downhole communication
US5375098A (en) * 1992-08-21 1994-12-20 Schlumberger Technology Corporation Logging while drilling tools, systems, and methods capable of transmitting data at a plurality of different frequencies
US5517464A (en) * 1994-05-04 1996-05-14 Schlumberger Technology Corporation Integrated modulator and turbine-generator for a measurement while drilling tool
US6191561B1 (en) * 1998-01-16 2001-02-20 Dresser Industries, Inc. Variable output rotary power generator
GB0111124D0 (en) * 2001-05-05 2001-06-27 Spring Gregson W M Torque-generating apparatus

Also Published As

Publication number Publication date
WO2004062081A1 (en) 2004-07-22
GB2397078A (en) 2004-07-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)