GB2385079B - Device for rotatably positioning and locking a drive shaft - Google Patents

Device for rotatably positioning and locking a drive shaft

Info

Publication number
GB2385079B
GB2385079B GB0306177A GB0306177A GB2385079B GB 2385079 B GB2385079 B GB 2385079B GB 0306177 A GB0306177 A GB 0306177A GB 0306177 A GB0306177 A GB 0306177A GB 2385079 B GB2385079 B GB 2385079B
Authority
GB
United Kingdom
Prior art keywords
locking
drive shaft
rotatably positioning
rotatably
positioning
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
GB0306177A
Other versions
GB2385079A (en
GB0306177D0 (en
Inventor
Jon B Kahn
Robert Alan Estes
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
Priority claimed from US09/669,759 external-priority patent/US6529834B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0306177D0 publication Critical patent/GB0306177D0/en
Publication of GB2385079A publication Critical patent/GB2385079A/en
Application granted granted Critical
Publication of GB2385079B publication Critical patent/GB2385079B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
GB0306177A 2000-08-29 2001-08-29 Device for rotatably positioning and locking a drive shaft Expired - Fee Related GB2385079B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22857800P 2000-08-29 2000-08-29
US09/669,759 US6529834B1 (en) 1997-12-04 2000-09-26 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal
GB0120933A GB2370645B (en) 2000-08-29 2001-08-29 Measurement-while -drilling assembly using gyroscopic devices and methods of bias removal

Publications (3)

Publication Number Publication Date
GB0306177D0 GB0306177D0 (en) 2003-04-23
GB2385079A GB2385079A (en) 2003-08-13
GB2385079B true GB2385079B (en) 2004-02-11

Family

ID=27256267

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0306177A Expired - Fee Related GB2385079B (en) 2000-08-29 2001-08-29 Device for rotatably positioning and locking a drive shaft
GB0306175A Expired - Lifetime GB2385078B (en) 2000-08-29 2001-08-29 Method of recovery of hydrocarbons

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0306175A Expired - Lifetime GB2385078B (en) 2000-08-29 2001-08-29 Method of recovery of hydrocarbons

Country Status (1)

Country Link
GB (2) GB2385079B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398091B (en) * 2001-05-14 2005-06-29 Baker Hughes Inc Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
US7032675B2 (en) 2003-10-06 2006-04-25 Halliburton Energy Services, Inc. Thermally-controlled valves and methods of using the same in a wellbore
US7147057B2 (en) 2003-10-06 2006-12-12 Halliburton Energy Services, Inc. Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore
CN102562031B (en) * 2012-01-17 2014-08-27 中海油田服务股份有限公司 Continuous gyroscopic survey system for directional well
EP4237795A1 (en) * 2020-10-30 2023-09-06 Murata Manufacturing Co., Ltd. Mems gyrocompass

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834493A (en) * 1985-12-27 1989-05-30 Mcdonnell Douglas Corporation Method of terminating an optical fiber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834493A (en) * 1985-12-27 1989-05-30 Mcdonnell Douglas Corporation Method of terminating an optical fiber

Also Published As

Publication number Publication date
GB2385079A (en) 2003-08-13
GB0306175D0 (en) 2003-04-23
GB2385078A (en) 2003-08-13
GB2385078B (en) 2003-11-05
GB0306177D0 (en) 2003-04-23

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Legal Events

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

Effective date: 20150829