BE898973A - INERTIA-BASED BOREHOLE GUIDANCE SYSTEM - Google Patents

INERTIA-BASED BOREHOLE GUIDANCE SYSTEM

Info

Publication number
BE898973A
BE898973A BE0/212431A BE212431A BE898973A BE 898973 A BE898973 A BE 898973A BE 0/212431 A BE0/212431 A BE 0/212431A BE 212431 A BE212431 A BE 212431A BE 898973 A BE898973 A BE 898973A
Authority
BE
Belgium
Prior art keywords
inertia
guidance system
rotation
gyros
information
Prior art date
Application number
BE0/212431A
Other languages
French (fr)
Inventor
D Molnar
Original Assignee
Sundstrand Data Control
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 Sundstrand Data Control filed Critical Sundstrand Data Control
Publication of BE898973A publication Critical patent/BE898973A/en

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

Landscapes

  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Gyroscopes (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Navigation (AREA)

Abstract

Dans des systèmes pour mesurer les trous de forage, au moyen de sondes comprenant des composants à inertie et des inclinomètres, on utilise deux gyromètres à laser annulaire pour créer dans le système des informations sur la rotation. Lorsque la sonde se déplace dans le trou, l'information provenant de l'inclinomètre est utilisée pour produire un signal synthétique de rotation au lieu d'un troisième gyro, et la rotation terrestre est utilisée en combinaison avec des signaux provenant des deux gyros à laser annulaire lorsque la sonde est arretée.In systems for measuring boreholes, using probes comprising inertial components and inclinometers, two annular laser gyros are used to create rotation information in the system. As the probe moves through the hole, information from the inclinometer is used to produce a synthetic rotation signal instead of a third gyro, and terrestrial rotation is used in combination with signals from the two gyros to annular laser when the probe is stopped.

BE0/212431A 1983-02-22 1984-02-21 INERTIA-BASED BOREHOLE GUIDANCE SYSTEM BE898973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46872583A 1983-02-22 1983-02-22

Publications (1)

Publication Number Publication Date
BE898973A true BE898973A (en) 1984-08-21

Family

ID=23860988

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/212431A BE898973A (en) 1983-02-22 1984-02-21 INERTIA-BASED BOREHOLE GUIDANCE SYSTEM

Country Status (15)

Country Link
JP (1) JPS59159012A (en)
AU (1) AU545831B2 (en)
BE (1) BE898973A (en)
CA (1) CA1211506A (en)
CH (1) CH658296A5 (en)
DE (1) DE3406096C2 (en)
FR (1) FR2541366B1 (en)
GB (1) GB2135783B (en)
HK (1) HK64487A (en)
IL (1) IL70901A (en)
IT (1) IT1208671B (en)
NL (1) NL8400558A (en)
NO (1) NO840482L (en)
SE (1) SE8400800L (en)
ZA (1) ZA841151B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542647A (en) * 1983-02-22 1985-09-24 Sundstrand Data Control, Inc. Borehole inertial guidance system
JPH0434405Y2 (en) * 1985-07-26 1992-08-17
JPH02118810U (en) * 1989-03-13 1990-09-25
JPH03285111A (en) * 1990-03-30 1991-12-16 Agency Of Ind Science & Technol Position measuring apparatus
DE4131673C2 (en) * 1991-09-24 1995-05-04 Bodenseewerk Geraetetech Control device for a tunnel boring machine
JPH06347264A (en) * 1993-06-10 1994-12-20 Hitachi Cable Ltd Angle-of-inclination sensor
GB2315866B (en) * 1996-08-01 2001-01-10 Radiodetection Ltd Position detection
DE19807891A1 (en) 1998-02-25 1999-08-26 Abb Research Ltd Fiber-laser sensor for measurement of elongation, temperature or especially isotropic pressure in oil well
DE19950340B4 (en) * 1999-10-19 2005-12-22 Halliburton Energy Services, Inc., Houston Method and device for measuring the course of a borehole
JP2010281693A (en) * 2009-06-04 2010-12-16 Tamagawa Seiki Co Ltd Hole bentness measuring device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862499A (en) * 1973-02-12 1975-01-28 Scient Drilling Controls Well surveying apparatus
FR2410725A1 (en) * 1977-12-02 1979-06-29 Sagem IMPROVEMENTS MADE TO DEVICES FOR MEASURING THE AZIMUT AND THE INCLINATION OF A DRILL LINE
FR2466607B1 (en) * 1979-09-27 1985-07-19 Schlumberger Prospection METHOD FOR DETERMINING STEERING PARAMETERS OF A CONTINUOUS WELL
AU533909B2 (en) * 1980-10-23 1983-12-15 Sundstrand Data Control, Inc. Bore-hole survey apparatus

Also Published As

Publication number Publication date
DE3406096C2 (en) 1986-10-30
NL8400558A (en) 1984-09-17
GB2135783B (en) 1986-09-10
ZA841151B (en) 1984-09-26
FR2541366B1 (en) 1988-05-27
IT8447718A0 (en) 1984-02-20
AU2426984A (en) 1984-08-30
JPS59159012A (en) 1984-09-08
SE8400800L (en) 1984-08-23
IL70901A (en) 1987-02-27
NO840482L (en) 1984-08-23
GB8404440D0 (en) 1984-03-28
IT1208671B (en) 1989-07-10
CH658296A5 (en) 1986-10-31
DE3406096A1 (en) 1984-08-30
IL70901A0 (en) 1984-05-31
CA1211506A (en) 1986-09-16
SE8400800D0 (en) 1984-02-15
FR2541366A1 (en) 1984-08-24
GB2135783A (en) 1984-09-05
AU545831B2 (en) 1985-08-01
HK64487A (en) 1987-09-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SUNDSTRAND DATA CONTROL INC.

Effective date: 19870228