GB0520199D0 - Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis - Google Patents

Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis

Info

Publication number
GB0520199D0
GB0520199D0 GBGB0520199.1A GB0520199A GB0520199D0 GB 0520199 D0 GB0520199 D0 GB 0520199D0 GB 0520199 A GB0520199 A GB 0520199A GB 0520199 D0 GB0520199 D0 GB 0520199D0
Authority
GB
United Kingdom
Prior art keywords
axis
deriving
missing
steering tool
rate gyroscope
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
GBGB0520199.1A
Other versions
GB2415505A (en
GB2415505B (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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Priority claimed from GB0417694A external-priority patent/GB2405927B/en
Publication of GB0520199D0 publication Critical patent/GB0520199D0/en
Publication of GB2415505A publication Critical patent/GB2415505A/en
Application granted granted Critical
Publication of GB2415505B publication Critical patent/GB2415505B/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
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/42—Rotary gyroscopes for indicating rate of turn; for integrating rate of turn
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Theoretical Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Software Systems (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Gyroscopes (AREA)
GB0520199A 2003-08-07 2004-08-09 Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis Expired - Fee Related GB2415505B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49330003P 2003-08-07 2003-08-07
GB0417694A GB2405927B (en) 2003-08-07 2004-08-09 Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis

Publications (3)

Publication Number Publication Date
GB0520199D0 true GB0520199D0 (en) 2005-11-09
GB2415505A GB2415505A (en) 2005-12-28
GB2415505B GB2415505B (en) 2006-04-05

Family

ID=35463702

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0520200A Expired - Fee Related GB2415531B (en) 2003-08-07 2004-08-09 A method of compensating measurements made by a downhole survey instrument
GB0520199A Expired - Fee Related GB2415505B (en) 2003-08-07 2004-08-09 Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0520200A Expired - Fee Related GB2415531B (en) 2003-08-07 2004-08-09 A method of compensating measurements made by a downhole survey instrument

Country Status (1)

Country Link
GB (2) GB2415531B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6631563B2 (en) * 1997-02-07 2003-10-14 James Brosnahan Survey apparatus and methods for directional wellbore surveying
GB2369188B (en) * 1997-12-04 2002-07-17 Baker Hughes Inc Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal
US6347282B2 (en) * 1997-12-04 2002-02-12 Baker Hughes Incorporated Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal
US6529834B1 (en) * 1997-12-04 2003-03-04 Baker Hughes Incorporated Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal
US7000700B2 (en) * 2002-07-30 2006-02-21 Baker Hughes Incorporated Measurement-while-drilling assembly using real-time toolface oriented measurements

Also Published As

Publication number Publication date
GB2415505A (en) 2005-12-28
GB2415531A (en) 2005-12-28
GB2415531B (en) 2006-04-05
GB0520200D0 (en) 2005-11-09
GB2415505B (en) 2006-04-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150809