NL8203007A - Inrichting voor het bewaken van de richting van een boorgat. - Google Patents

Inrichting voor het bewaken van de richting van een boorgat. Download PDF

Info

Publication number: NL8203007A
Authority: NL; Netherlands
Prior art keywords: axis; outer bracket; borehole; measured; housing
Prior art date: 1981-08-20

Application number

NL8203007A

Other languages

English (en)

Dutch (nl)

Original Assignee

Sperry Sun 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.)

1981-08-20

Filing date

1982-07-27

Publication date

1983-03-16

1982-07-27 Application filed by Sperry Sun Inc filed Critical Sperry Sun Inc

1983-03-16 Publication of NL8203007A publication Critical patent/NL8203007A/nl

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
- G01C19/04—Details
- G01C19/16—Suspensions; Bearings
- G01C19/22—Suspensions; Bearings torsional
- 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

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Mining & Mineral Resources (AREA)
General Life Sciences & Earth Sciences (AREA)
Fluid Mechanics (AREA)
Environmental & Geological Engineering (AREA)
Geophysics (AREA)
Geochemistry & Mineralogy (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Gyroscopes (AREA)
Geophysics And Detection Of Objects (AREA)
Navigation (AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Earth Drilling (AREA)

NL8203007A 1981-08-20 1982-07-27 Inrichting voor het bewaken van de richting van een boorgat. NL8203007A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8125409		1981-08-20
GB8125409		1981-08-20

Publications (1)

Publication Number	Publication Date
NL8203007A true NL8203007A (nl)	1983-03-16

Family

ID=10524052

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8203007A NL8203007A (nl)	1981-08-20	1982-07-27	Inrichting voor het bewaken van de richting van een boorgat.

Country Status (10)

Country	Link
JP (1)	JPS5873807A (pt)
BR (1)	BR8204849A (pt)
CA (1)	CA1189317A (pt)
CH (1)	CH651890A5 (pt)
DE (1)	DE3230889A1 (pt)
FR (1)	FR2511727B1 (pt)
IT (1)	IT1153556B (pt)
MX (1)	MX152695A (pt)
NL (1)	NL8203007A (pt)
NO (1)	NO164193C (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4434654A (en) *	1982-08-09	1984-03-06	Sundstrand Data Control, Inc.	Borehole orientation detection system employing polarized radiation
DE19625720C1 (de) *	1996-06-27	1997-09-04	Brueckner Grundbau Gmbh	Verfahren und Vorrichtung zum Bestimmen der Lagegenauigkeit von Bohrlöchern und Schlitzen im Baugrund
US7997157B2 (en) *	2008-02-11	2011-08-16	Honeywell International Inc.	Control moment gyroscope

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA73638B (en) *	1972-02-03	1973-10-31	Selco Mining Corp Ltd	Bore hole logging device
GB1509293A (en) *	1976-03-16	1978-05-04	Russell A	Instruments for measuring the orientation of a borehole
FR2410724A1 (fr) *	1977-12-02	1979-06-29	Sagem	Perfectionnements apportes aux dispositifs pour l'exploration, en azimut et en inclinaison, d'une ligne de forage
FR2410725A1 (fr) *	1977-12-02	1979-06-29	Sagem	Perfectionnements apportes aux dispositifs pour la mesure de l'azimut et de l'inclinaison d'une ligne de forage

1982
- 1982-07-27 NL NL8203007A patent/NL8203007A/nl not_active Application Discontinuation
- 1982-08-19 BR BR8204849A patent/BR8204849A/pt unknown
- 1982-08-19 CH CH4955/82A patent/CH651890A5/fr not_active IP Right Cessation
- 1982-08-19 NO NO822825A patent/NO164193C/no unknown
- 1982-08-19 CA CA000409758A patent/CA1189317A/en not_active Expired
- 1982-08-19 MX MX194071A patent/MX152695A/es unknown
- 1982-08-19 IT IT22898/82A patent/IT1153556B/it active
- 1982-08-19 DE DE3230889A patent/DE3230889A1/de not_active Withdrawn
- 1982-08-20 FR FR828214389A patent/FR2511727B1/fr not_active Expired
- 1982-08-20 JP JP57144567A patent/JPS5873807A/ja active Pending

Also Published As

Publication number	Publication date
DE3230889A1 (de)	1983-03-03
MX152695A (es)	1985-10-11
NO164193B (no)	1990-05-28
FR2511727B1 (fr)	1989-02-03
FR2511727A1 (fr)	1983-02-25
BR8204849A (pt)	1983-08-02
IT1153556B (it)	1987-01-14
JPS5873807A (ja)	1983-05-04
NO822825L (no)	1983-02-21
IT8222898A0 (it)	1982-08-19
NO164193C (no)	1990-09-05
CH651890A5 (fr)	1985-10-15
CA1189317A (en)	1985-06-25
IT8222898A1 (it)	1984-02-19

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Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1989-07-03	BA	A request for search or an international-type search has been filed
1989-08-01	BB	A search report has been drawn up
1989-10-02	BC	A request for examination has been filed
1989-12-18	CNR	Transfer of rights (patent application after its laying open for public inspection)	Free format text: BAROID TECHNOLOGY, INC.
1993-03-01	BV	The patent application has lapsed