GB2361773B - Method and apparatus for determining logging tool displacements - Google Patents

Method and apparatus for determining logging tool displacements

Info

Publication number
GB2361773B
GB2361773B GB0116537A GB0116537A GB2361773B GB 2361773 B GB2361773 B GB 2361773B GB 0116537 A GB0116537 A GB 0116537A GB 0116537 A GB0116537 A GB 0116537A GB 2361773 B GB2361773 B GB 2361773B
Authority
GB
United Kingdom
Prior art keywords
logging tool
tool displacements
determining logging
determining
displacements
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
GB0116537A
Other versions
GB0116537D0 (en
GB2361773A (en
Inventor
Robert Freedman
Luis E Depavia
Abdurrahman Sezginer
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.)
Schlumberger Holdings Ltd
Original Assignee
Schlumberger Holdings 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
Priority to US14339399P priority Critical
Priority to US09/598,629 priority patent/US6459992B1/en
Application filed by Schlumberger Holdings Ltd filed Critical Schlumberger Holdings Ltd
Priority to GB0015942A priority patent/GB2352818B/en
Publication of GB0116537D0 publication Critical patent/GB0116537D0/en
Publication of GB2361773A publication Critical patent/GB2361773A/en
Application granted granted Critical
Publication of GB2361773B publication Critical patent/GB2361773B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/02Determining slope or direction
    • E21B47/022Determining slope or direction of the borehole, e.g. using geomagnetism
GB0116537A 1999-07-12 2000-06-30 Method and apparatus for determining logging tool displacements Expired - Fee Related GB2361773B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14339399P true 1999-07-12 1999-07-12
US09/598,629 US6459992B1 (en) 1999-07-12 2000-06-21 Method and apparatus for determining logging tool displacements
GB0015942A GB2352818B (en) 1999-07-12 2000-06-30 Method and apparatus for determining logging tool displacements

Publications (3)

Publication Number Publication Date
GB0116537D0 GB0116537D0 (en) 2001-08-29
GB2361773A GB2361773A (en) 2001-10-31
GB2361773B true GB2361773B (en) 2002-01-16

Family

ID=27255785

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0116537A Expired - Fee Related GB2361773B (en) 1999-07-12 2000-06-30 Method and apparatus for determining logging tool displacements

Country Status (1)

Country Link
GB (1) GB2361773B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331578A (en) * 1990-09-14 1994-07-19 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. Procedure for measuring angles and trajectories by means of gyros and inertial systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331578A (en) * 1990-09-14 1994-07-19 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. Procedure for measuring angles and trajectories by means of gyros and inertial systems

Also Published As

Publication number Publication date
GB2361773A (en) 2001-10-31
GB0116537D0 (en) 2001-08-29

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Legal Events

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

Effective date: 20150630